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Vulnerability Details :

CVE-2021-20235

Summary
Assigner-redhat
Assigner Org ID-53f830b8-0a3f-465b-8143-3b8a9948e749
Published At-01 Apr, 2021 | 13:47
Updated At-03 Aug, 2024 | 17:37
Rejected At-
Credits

There's a flaw in the zeromq server in versions before 4.3.3 in src/decoder_allocators.hpp. The decoder static allocator could have its sized changed, but the buffer would remain the same as it is a static buffer. A remote, unauthenticated attacker who sends a crafted request to the zeromq server could trigger a buffer overflow WRITE of arbitrary data if CURVE/ZAP authentication is not enabled. The greatest impact of this flaw is to application availability, data integrity, and confidentiality.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:redhat
Assigner Org ID:53f830b8-0a3f-465b-8143-3b8a9948e749
Published At:01 Apr, 2021 | 13:47
Updated At:03 Aug, 2024 | 17:37
Rejected At:
▼CVE Numbering Authority (CNA)

There's a flaw in the zeromq server in versions before 4.3.3 in src/decoder_allocators.hpp. The decoder static allocator could have its sized changed, but the buffer would remain the same as it is a static buffer. A remote, unauthenticated attacker who sends a crafted request to the zeromq server could trigger a buffer overflow WRITE of arbitrary data if CURVE/ZAP authentication is not enabled. The greatest impact of this flaw is to application availability, data integrity, and confidentiality.

Affected Products
Vendor
n/a
Product
zeromq
Versions
Affected
  • zeromq 4.3.3
Problem Types
TypeCWE IDDescription
CWECWE-120CWE-120->CWE-787
Type: CWE
CWE ID: CWE-120
Description: CWE-120->CWE-787
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://bugzilla.redhat.com/show_bug.cgi?id=1921983
x_refsource_MISC
https://github.com/zeromq/libzmq/security/advisories/GHSA-fc3w-qxf5-7hp6
x_refsource_MISC
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=1921983
Resource:
x_refsource_MISC
Hyperlink: https://github.com/zeromq/libzmq/security/advisories/GHSA-fc3w-qxf5-7hp6
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://bugzilla.redhat.com/show_bug.cgi?id=1921983
x_refsource_MISC
x_transferred
https://github.com/zeromq/libzmq/security/advisories/GHSA-fc3w-qxf5-7hp6
x_refsource_MISC
x_transferred
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=1921983
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://github.com/zeromq/libzmq/security/advisories/GHSA-fc3w-qxf5-7hp6
Resource:
x_refsource_MISC
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:secalert@redhat.com
Published At:01 Apr, 2021 | 14:15
Updated At:07 Nov, 2023 | 03:29

There's a flaw in the zeromq server in versions before 4.3.3 in src/decoder_allocators.hpp. The decoder static allocator could have its sized changed, but the buffer would remain the same as it is a static buffer. A remote, unauthenticated attacker who sends a crafted request to the zeromq server could trigger a buffer overflow WRITE of arbitrary data if CURVE/ZAP authentication is not enabled. The greatest impact of this flaw is to application availability, data integrity, and confidentiality.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.18.1HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary2.06.8MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P
Type: Primary
Version: 3.1
Base score: 8.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 2.0
Base score: 6.8
Base severity: MEDIUM
Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:P
CPE Matches

zeromq
zeromq
>>libzmq>>Versions from 4.2.0(inclusive) to 4.3.3(exclusive)
cpe:2.3:a:zeromq:libzmq:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-787Primarynvd@nist.gov
CWE-120Secondarysecalert@redhat.com
CWE ID: CWE-787
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-120
Type: Secondary
Source: secalert@redhat.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://bugzilla.redhat.com/show_bug.cgi?id=1921983secalert@redhat.com
Issue Tracking
Patch
Third Party Advisory
https://github.com/zeromq/libzmq/security/advisories/GHSA-fc3w-qxf5-7hp6secalert@redhat.com
Patch
Third Party Advisory
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=1921983
Source: secalert@redhat.com
Resource:
Issue Tracking
Patch
Third Party Advisory
Hyperlink: https://github.com/zeromq/libzmq/security/advisories/GHSA-fc3w-qxf5-7hp6
Source: secalert@redhat.com
Resource:
Patch
Third Party Advisory

Change History

0
Information is not available yet

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Matching Score-4
Assigner-Palo Alto Networks, Inc.
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Matching Score-4
Assigner-Palo Alto Networks, Inc.
CVSS Score-8.1||HIGH
EPSS-1.07% / 76.81%
||
7 Day CHG~0.00%
Published-13 May, 2020 | 19:07
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Assigner-MITRE Corporation
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Action-Not Available
Vendor-bento4n/a
Product-bento4n/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-22017
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.8||HIGH
EPSS-0.75% / 72.14%
||
7 Day CHG~0.00%
Published-27 May, 2021 | 18:27
Updated-04 Aug, 2024 | 14:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at ff_fill_rectangle in libavfilter/drawutils.c, which might lead to memory corruption and other potential consequences.

Action-Not Available
Vendor-n/aDebian GNU/LinuxFFmpeg
Product-ffmpegdebian_linuxn/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2018-1000031
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.8||HIGH
EPSS-0.51% / 65.51%
||
7 Day CHG~0.00%
Published-09 Feb, 2018 | 23:00
Updated-05 Aug, 2024 | 12:33
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A heap-based buffer overflow exists in Info-Zip UnZip version 6.10c22 that allows an attacker to perform a denial of service or to possibly achieve code execution.

Action-Not Available
Vendor-info-zipn/a
Product-unzipn/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-21827
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.8||HIGH
EPSS-0.28% / 50.88%
||
7 Day CHG~0.00%
Published-17 May, 2021 | 19:46
Updated-04 Aug, 2024 | 14:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10 via read_2004_compressed_section ../../src/decode.c:2379.

Action-Not Available
Vendor-n/aGNU
Product-libredwgn/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-20740
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.8||HIGH
EPSS-0.36% / 57.10%
||
7 Day CHG~0.00%
Published-20 Nov, 2020 | 18:16
Updated-04 Aug, 2024 | 14:22
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

PDFResurrect before 0.20 lack of header validation checks causes heap-buffer-overflow in pdf_get_version().

Action-Not Available
Vendor-pdfresurrect_projectn/aDebian GNU/LinuxFedora Project
Product-pdfresurrectdebian_linuxfedoran/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-21818
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.8||HIGH
EPSS-0.39% / 58.91%
||
7 Day CHG~0.00%
Published-17 May, 2021 | 18:50
Updated-04 Aug, 2024 | 14:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10.2641 via htmlescape ../../programs/escape.c:48.

Action-Not Available
Vendor-n/aGNU
Product-libredwgn/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-22023
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.8||HIGH
EPSS-1.04% / 76.48%
||
7 Day CHG~0.00%
Published-27 May, 2021 | 18:13
Updated-04 Aug, 2024 | 14:51
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A heap-based Buffer Overflow vulnerabililty exists in FFmpeg 4.2 in filter_frame at libavfilter/vf_bitplanenoise.c, which might lead to memory corruption and other potential consequences.

Action-Not Available
Vendor-n/aDebian GNU/LinuxFFmpeg
Product-ffmpegdebian_linuxn/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-21833
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.8||HIGH
EPSS-0.50% / 65.02%
||
7 Day CHG~0.00%
Published-17 May, 2021 | 20:23
Updated-04 Aug, 2024 | 14:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A heap based buffer overflow vulnerability exits in GNU LibreDWG 0.10 via: read_2004_section_classes ../../src/decode.c:2440.

Action-Not Available
Vendor-n/aGNU
Product-libredwgn/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-21842
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.8||HIGH
EPSS-0.35% / 56.88%
||
7 Day CHG~0.00%
Published-17 May, 2021 | 21:01
Updated-04 Aug, 2024 | 14:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10 via read_2004_section_revhistory ../../src/decode.c:3051.

Action-Not Available
Vendor-n/aGNU
Product-libredwgn/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-21548
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.8||HIGH
EPSS-0.38% / 58.69%
||
7 Day CHG~0.00%
Published-17 Sep, 2021 | 20:34
Updated-04 Aug, 2024 | 14:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Libsixel 1.8.3 contains a heap-based buffer overflow in the sixel_encode_highcolor function in tosixel.c.

Action-Not Available
Vendor-libsixel_projectn/a
Product-libsixeln/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-21843
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.8||HIGH
EPSS-0.39% / 58.91%
||
7 Day CHG~0.00%
Published-17 May, 2021 | 21:03
Updated-04 Aug, 2024 | 14:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A heap based buffer overflow vulnerability exits in GNU LibreDWG 0.10 via bit_read_RC ../../src/bits.c:318.

Action-Not Available
Vendor-n/aGNU
Product-libredwgn/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-21814
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.8||HIGH
EPSS-0.39% / 58.91%
||
7 Day CHG~0.00%
Published-17 May, 2021 | 18:13
Updated-04 Aug, 2024 | 14:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A heap based buffer overflow issue exists in GNU LibreDWG 0.10.2641 via htmlwescape ../../programs/escape.c:97.

Action-Not Available
Vendor-n/aGNU
Product-libredwgn/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-20891
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.8||HIGH
EPSS-0.61% / 68.81%
||
7 Day CHG~0.00%
Published-20 Sep, 2021 | 15:19
Updated-04 Aug, 2024 | 14:22
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Buffer Overflow vulnerability in function config_input in libavfilter/vf_gblur.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts.

Action-Not Available
Vendor-n/aFFmpeg
Product-ffmpegn/a
CWE ID-CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CVE-2020-22031
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.8||HIGH
EPSS-1.34% / 79.18%
||
7 Day CHG~0.00%
Published-27 May, 2021 | 17:44
Updated-04 Aug, 2024 | 14:51
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A Heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vf_w3fdif.c in filter16_complex_low, which might lead to memory corruption and other potential consequences.

Action-Not Available
Vendor-n/aDebian GNU/LinuxFFmpeg
Product-ffmpegdebian_linuxn/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-22022
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.8||HIGH
EPSS-0.96% / 75.56%
||
7 Day CHG~0.00%
Published-27 May, 2021 | 18:14
Updated-04 Aug, 2024 | 14:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 in filter_frame at libavfilter/vf_fieldorder.c, which might lead to memory corruption and other potential consequences.

Action-Not Available
Vendor-n/aDebian GNU/LinuxFFmpeg
Product-ffmpegdebian_linuxn/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-21813
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.8||HIGH
EPSS-0.31% / 53.25%
||
7 Day CHG~0.00%
Published-17 May, 2021 | 17:58
Updated-04 Aug, 2024 | 14:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A heap based buffer overflow issue exists in GNU LibreDWG 0.10.2641 via output_TEXT ../../programs/dwg2SVG.c:114.

Action-Not Available
Vendor-n/aGNU
Product-libredwgn/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-21819
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.8||HIGH
EPSS-0.39% / 58.91%
||
7 Day CHG~0.00%
Published-17 May, 2021 | 18:55
Updated-04 Aug, 2024 | 14:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10.2641via htmlescape ../../programs/escape.c:51.

Action-Not Available
Vendor-n/aGNU
Product-libredwgn/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-22016
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.8||HIGH
EPSS-0.99% / 75.91%
||
7 Day CHG~0.00%
Published-27 May, 2021 | 18:29
Updated-04 Aug, 2024 | 14:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A heap-based Buffer Overflow vulnerability in FFmpeg 4.2 at libavcodec/get_bits.h when writing .mov files, which might lead to memory corruption and other potential consequences.

Action-Not Available
Vendor-n/aDebian GNU/LinuxFFmpeg
Product-ffmpegdebian_linuxn/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-21841
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.8||HIGH
EPSS-0.50% / 64.81%
||
7 Day CHG~0.00%
Published-17 May, 2021 | 20:59
Updated-04 Aug, 2024 | 14:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A heap based buffer overflow vulnerability exits in GNU LibreDWG 0.10 via bit_read_B ../../src/bits.c:135.

Action-Not Available
Vendor-n/aGNU
Product-libredwgn/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2021-21017
Matching Score-4
Assigner-Adobe Systems Incorporated
ShareView Details
Matching Score-4
Assigner-Adobe Systems Incorporated
CVSS Score-8.8||HIGH
EPSS-89.72% / 99.54%
||
7 Day CHG~0.00%
Published-11 Feb, 2021 | 19:42
Updated-30 Jul, 2025 | 01:38
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Known KEV||Action Due Date - 2021-11-17||Apply updates per vendor instructions.
Acrobat Reader DC Heap-based Buffer Overflow Vulnerability Could Lead To Arbitrary Code Execution

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a heap-based buffer overflow vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Action-Not Available
Vendor-Microsoft CorporationAdobe Inc.Apple Inc.
Product-macosacrobat_readeracrobat_dcacrobat_reader_dcacrobatwindowsAcrobat ReaderAcrobat and Reader
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-22025
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.8||HIGH
EPSS-0.44% / 62.23%
||
7 Day CHG~0.00%
Published-27 May, 2021 | 18:11
Updated-04 Aug, 2024 | 14:51
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A heap-based Buffer Overflow vulnerability exists in gaussian_blur at libavfilter/vf_edgedetect.c, which might lead to memory corruption and other potential consequences.

Action-Not Available
Vendor-n/aDebian GNU/LinuxFFmpeg
Product-ffmpegdebian_linuxn/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-23364
Matching Score-4
Assigner-QNAP Systems, Inc.
ShareView Details
Matching Score-4
Assigner-QNAP Systems, Inc.
CVSS Score-8.1||HIGH
EPSS-0.66% / 70.14%
||
7 Day CHG~0.00%
Published-22 Sep, 2023 | 03:51
Updated-24 Sep, 2024 | 18:09
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Multimedia Console

A buffer copy without checking size of input vulnerability has been reported to affect QNAP operating systems. If exploited, the vulnerability possibly allows remote users to execute code via unspecified vectors. We have already fixed the vulnerability in the following versions: Multimedia Console 2.1.1 ( 2023/03/29 ) and later Multimedia Console 1.4.7 ( 2023/03/20 ) and later

Action-Not Available
Vendor-QNAP Systems, Inc.
Product-multimedia_consoleMultimedia Console
CWE ID-CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CVE-2023-23363
Matching Score-4
Assigner-QNAP Systems, Inc.
ShareView Details
Matching Score-4
Assigner-QNAP Systems, Inc.
CVSS Score-8.1||HIGH
EPSS-1.28% / 78.74%
||
7 Day CHG~0.00%
Published-22 Sep, 2023 | 03:50
Updated-24 Sep, 2024 | 18:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
QTS

A buffer copy without checking size of input vulnerability has been reported to affect QNAP operating system. If exploited, the vulnerability possibly allows remote users to execute code via unspecified vectors. We have already fixed the vulnerability in the following versions: QTS 4.3.6.2441 build 20230621 and later QTS 4.3.3.2420 build 20230621 and later QTS 4.2.6 build 20230621 and later QTS 4.3.4.2451 build 20230621 and later

Action-Not Available
Vendor-QNAP Systems, Inc.
Product-qtsQTS
CWE ID-CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CVE-2020-22030
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.8||HIGH
EPSS-0.48% / 64.34%
||
7 Day CHG~0.00%
Published-27 May, 2021 | 17:55
Updated-04 Aug, 2024 | 14:51
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/af_afade.c in crossfade_samples_fltp, which might lead to memory corruption and other potential consequences.

Action-Not Available
Vendor-n/aDebian GNU/LinuxFFmpeg
Product-ffmpegdebian_linuxn/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-21547
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.8||HIGH
EPSS-0.38% / 58.69%
||
7 Day CHG~0.00%
Published-17 Sep, 2021 | 20:34
Updated-04 Aug, 2024 | 14:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Libsixel 1.8.2 contains a heap-based buffer overflow in the dither_func_fs function in tosixel.c.

Action-Not Available
Vendor-libsixel_projectn/a
Product-libsixeln/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-23567
Matching Score-4
Assigner-Talos
ShareView Details
Matching Score-4
Assigner-Talos
CVSS Score-8.1||HIGH
EPSS-0.22% / 44.84%
||
7 Day CHG~0.00%
Published-25 Sep, 2023 | 15:22
Updated-02 Aug, 2024 | 10:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A heap-based buffer overflow vulnerability exists in the CreateDIBfromPict functionality of Accusoft ImageGear 20.1. A specially crafted file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.

Action-Not Available
Vendor-accusoftAccusoft
Product-imagegearImageGear
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-24019
Matching Score-4
Assigner-Talos
ShareView Details
Matching Score-4
Assigner-Talos
CVSS Score-8.1||HIGH
EPSS-0.07% / 23.15%
||
7 Day CHG~0.00%
Published-06 Jul, 2023 | 14:53
Updated-05 Mar, 2025 | 18:54
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A stack-based buffer overflow vulnerability exists in the urvpn_client http_connection_readcb functionality of Milesight UR32L v32.3.0.5. A specially crafted network packet can lead to a buffer overflow. An attacker can send a malicious packet to trigger this vulnerability.

Action-Not Available
Vendor-Milesight
Product-ur32l_firmwareur32lUR32L
CWE ID-CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE ID-CWE-787
Out-of-bounds Write
CVE-2021-21220
Matching Score-4
Assigner-Chrome
ShareView Details
Matching Score-4
Assigner-Chrome
CVSS Score-8.8||HIGH
EPSS-92.81% / 99.75%
||
7 Day CHG~0.00%
Published-26 Apr, 2021 | 00:00
Updated-30 Jul, 2025 | 01:38
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Known KEV||Action Due Date - 2021-11-17||Apply updates per vendor instructions.

Insufficient validation of untrusted input in V8 in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Action-Not Available
Vendor-Google LLCFedora Project
Product-fedorachromeChromeChromium V8
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-21831
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.8||HIGH
EPSS-0.40% / 59.92%
||
7 Day CHG~0.00%
Published-17 May, 2021 | 21:08
Updated-04 Aug, 2024 | 14:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10 via read_2004_section_handles ../../src/decode.c:2637.

Action-Not Available
Vendor-n/aGNU
Product-libredwgn/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-22034
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.8||HIGH
EPSS-0.73% / 71.73%
||
7 Day CHG~0.00%
Published-27 May, 2021 | 18:46
Updated-04 Aug, 2024 | 14:51
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A heap-based Buffer Overflow vulnerability exists FFmpeg 4.2 at libavfilter/vf_floodfill.c, which might lead to memory corruption and other potential consequences.

Action-Not Available
Vendor-n/aDebian GNU/LinuxFFmpeg
Product-ffmpegdebian_linuxn/a
CWE ID-CWE-787
Out-of-bounds Write
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