Description
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.
References (5)
Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.313615
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.313615
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.601011
Exploit, Issue Tracking issue-tracking
https://github.com/vstakhov/libucl/issues/319
Scores
CVSS v3
3.3
EPSS
0.0013
EPSS Percentile
32.0%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-119
CWE-122
CWE-787
Status
published
Products (1)
vstakhov/libucl
< 0.9.2
Published
Jun 23, 2025
Tracked Since
Feb 18, 2026