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CVE Vulnerability Details :
CVE-2023-43787
PUBLISHED
More InfoOfficial Page
Assigner-redhat
Assigner Org ID-53f830b8-0a3f-465b-8143-3b8a9948e749
View Known Exploited Vulnerability (KEV) details
Published At-10 Oct, 2023 | 12:26
Updated At-06 Nov, 2025 | 22:59
Rejected At-
▼CVE Numbering Authority (CNA)
Libx11: integer overflow in xcreateimage() leading to a heap overflow

A vulnerability was found in libX11 due to an integer overflow within the XCreateImage() function. This flaw allows a local user to trigger an integer overflow and execute arbitrary code with elevated privileges.

Affected Products
Collection URL
https://gitlab.freedesktop.org/xorg/lib/libx11
Package Name
libX11
Default Status
unaffected
Versions
Affected
  • From 0 before 1.8.7 (semver)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 8
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
libX11
CPEs
  • cpe:/a:redhat:enterprise_linux:8::appstream
Default Status
affected
Versions
Unaffected
  • From 0:1.6.8-8.el8 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 9
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
libX11
CPEs
  • cpe:/a:redhat:enterprise_linux:9::appstream
Default Status
affected
Versions
Unaffected
  • From 0:1.7.0-9.el9 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 6
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
libX11
CPEs
  • cpe:/o:redhat:enterprise_linux:6
Default Status
unknown
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 7
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
libX11
CPEs
  • cpe:/o:redhat:enterprise_linux:7
Default Status
unknown
Problem Types
TypeCWE IDDescription
CWECWE-122Heap-based Buffer Overflow
Type: CWE
CWE ID: CWE-122
Description: Heap-based Buffer Overflow
Metrics
VersionBase scoreBase severityVector
3.17.8HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 7.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Metrics Other Info
Red Hat severity rating
value:
Moderate
namespace:
https://access.redhat.com/security/updates/classification/
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Reported to Red Hat.2023-10-05 00:00:00
Made public.2023-10-04 00:00:00
Event: Reported to Red Hat.
Date: 2023-10-05 00:00:00
Event: Made public.
Date: 2023-10-04 00:00:00
Replaced By
Rejected Reason
References
HyperlinkResource
https://access.redhat.com/errata/RHSA-2024:2145
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:2973
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2023-43787
vdb-entry
x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2242254
issue-tracking
x_refsource_REDHAT
Hyperlink: https://access.redhat.com/errata/RHSA-2024:2145
Resource:
vendor-advisory
x_refsource_REDHAT
Hyperlink: https://access.redhat.com/errata/RHSA-2024:2973
Resource:
vendor-advisory
x_refsource_REDHAT
Hyperlink: https://access.redhat.com/security/cve/CVE-2023-43787
Resource:
vdb-entry
x_refsource_REDHAT
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=2242254
Resource:
issue-tracking
x_refsource_REDHAT
▼Authorized Data Publishers (ADP)
1. 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
http://www.openwall.com/lists/oss-security/2024/01/24/9
x_transferred
https://access.redhat.com/errata/RHSA-2024:2145
vendor-advisory
x_refsource_REDHAT
x_transferred
https://access.redhat.com/errata/RHSA-2024:2973
vendor-advisory
x_refsource_REDHAT
x_transferred
https://access.redhat.com/security/cve/CVE-2023-43787
vdb-entry
x_refsource_REDHAT
x_transferred
https://bugzilla.redhat.com/show_bug.cgi?id=2242254
issue-tracking
x_refsource_REDHAT
x_transferred
https://jfrog.com/blog/xorg-libx11-vulns-cve-2023-43786-cve-2023-43787-part-two/
x_transferred
https://security.netapp.com/advisory/ntap-20231103-0006/
x_transferred
https://lists.debian.org/debian-lts-announce/2023/10/msg00005.html
N/A
Hyperlink: http://www.openwall.com/lists/oss-security/2024/01/24/9
Resource:
x_transferred
Hyperlink: https://access.redhat.com/errata/RHSA-2024:2145
Resource:
vendor-advisory
x_refsource_REDHAT
x_transferred
Hyperlink: https://access.redhat.com/errata/RHSA-2024:2973
Resource:
vendor-advisory
x_refsource_REDHAT
x_transferred
Hyperlink: https://access.redhat.com/security/cve/CVE-2023-43787
Resource:
vdb-entry
x_refsource_REDHAT
x_transferred
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=2242254
Resource:
issue-tracking
x_refsource_REDHAT
x_transferred
Hyperlink: https://jfrog.com/blog/xorg-libx11-vulns-cve-2023-43786-cve-2023-43787-part-two/
Resource:
x_transferred
Hyperlink: https://security.netapp.com/advisory/ntap-20231103-0006/
Resource:
x_transferred
Hyperlink: https://lists.debian.org/debian-lts-announce/2023/10/msg00005.html
Resource: N/A
2. CISA ADP Vulnrichment
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
Details not found