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Vulnerability Details :

CVE-2025-6499

Summary
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
Published At-23 Jun, 2025 | 02:00
Updated At-23 Jun, 2025 | 13:29
Rejected At-
Credits

vstakhov libucl ucl_parser.c ucl_parse_multiline_string heap-based overflow

A vulnerability classified as problematic was found in vstakhov libucl up to 0.9.2. Affected by this vulnerability is the function ucl_parse_multiline_string of the file src/ucl_parser.c. The manipulation leads to heap-based buffer overflow. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.

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:VulDB
Assigner Org ID:1af790b2-7ee1-4545-860a-a788eba489b5
Published At:23 Jun, 2025 | 02:00
Updated At:23 Jun, 2025 | 13:29
Rejected At:
▼CVE Numbering Authority (CNA)
vstakhov libucl ucl_parser.c ucl_parse_multiline_string heap-based overflow

A vulnerability classified as problematic was found in vstakhov libucl up to 0.9.2. Affected by this vulnerability is the function ucl_parse_multiline_string of the file src/ucl_parser.c. The manipulation leads to heap-based buffer overflow. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.

Affected Products
Vendor
vstakhov
Product
libucl
Versions
Affected
  • 0.9.0
  • 0.9.1
  • 0.9.2
Problem Types
TypeCWE IDDescription
CWECWE-122Heap-based Buffer Overflow
CWECWE-119Memory Corruption
Type: CWE
CWE ID: CWE-122
Description: Heap-based Buffer Overflow
Type: CWE
CWE ID: CWE-119
Description: Memory Corruption
Metrics
VersionBase scoreBase severityVector
4.04.8MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
3.13.3LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
3.03.3LOW
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
2.01.7N/A
AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR
Version: 4.0
Base score: 4.8
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Version: 3.1
Base score: 3.3
Base severity: LOW
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
Version: 3.0
Base score: 3.3
Base severity: LOW
Vector:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
Version: 2.0
Base score: 1.7
Base severity: N/A
Vector:
AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
JJLeo (VulDB User)
Timeline
EventDate
Advisory disclosed2025-06-22 00:00:00
VulDB entry created2025-06-22 02:00:00
VulDB entry last update2025-06-22 21:11:35
Event: Advisory disclosed
Date: 2025-06-22 00:00:00
Event: VulDB entry created
Date: 2025-06-22 02:00:00
Event: VulDB entry last update
Date: 2025-06-22 21:11:35
Replaced By
Rejected Reason
References
HyperlinkResource
https://vuldb.com/?id.313615
vdb-entry
technical-description
https://vuldb.com/?ctiid.313615
signature
permissions-required
https://vuldb.com/?submit.601011
third-party-advisory
https://github.com/vstakhov/libucl/issues/319
issue-tracking
https://github.com/user-attachments/files/19825399/libucl_crash.txt
exploit
Hyperlink: https://vuldb.com/?id.313615
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/?ctiid.313615
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/?submit.601011
Resource:
third-party-advisory
Hyperlink: https://github.com/vstakhov/libucl/issues/319
Resource:
issue-tracking
Hyperlink: https://github.com/user-attachments/files/19825399/libucl_crash.txt
Resource:
exploit
▼Authorized Data Publishers (ADP)
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
https://github.com/vstakhov/libucl/issues/319
exploit
Hyperlink: https://github.com/vstakhov/libucl/issues/319
Resource:
exploit
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cna@vuldb.com
Published At:23 Jun, 2025 | 03:15
Updated At:23 Jun, 2025 | 20:16

A vulnerability classified as problematic was found in vstakhov libucl up to 0.9.2. Affected by this vulnerability is the function ucl_parse_multiline_string of the file src/ucl_parser.c. The manipulation leads to heap-based buffer overflow. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.

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
Secondary4.04.8MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Secondary3.13.3LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Secondary2.01.7LOW
AV:L/AC:L/Au:S/C:N/I:N/A:P
Type: Secondary
Version: 4.0
Base score: 4.8
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Secondary
Version: 3.1
Base score: 3.3
Base severity: LOW
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Type: Secondary
Version: 2.0
Base score: 1.7
Base severity: LOW
Vector:
AV:L/AC:L/Au:S/C:N/I:N/A:P
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-119Secondarycna@vuldb.com
CWE-122Secondarycna@vuldb.com
CWE ID: CWE-119
Type: Secondary
Source: cna@vuldb.com
CWE ID: CWE-122
Type: Secondary
Source: cna@vuldb.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/user-attachments/files/19825399/libucl_crash.txtcna@vuldb.com
N/A
https://github.com/vstakhov/libucl/issues/319cna@vuldb.com
N/A
https://vuldb.com/?ctiid.313615cna@vuldb.com
N/A
https://vuldb.com/?id.313615cna@vuldb.com
N/A
https://vuldb.com/?submit.601011cna@vuldb.com
N/A
https://github.com/vstakhov/libucl/issues/319134c704f-9b21-4f2e-91b3-4a467353bcc0
N/A
Hyperlink: https://github.com/user-attachments/files/19825399/libucl_crash.txt
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://github.com/vstakhov/libucl/issues/319
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://vuldb.com/?ctiid.313615
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://vuldb.com/?id.313615
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://vuldb.com/?submit.601011
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://github.com/vstakhov/libucl/issues/319
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Resource: N/A

Change History

0
Information is not available yet

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