CVE-2025-6499

low

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

https://vuldb.com/?submit.601011

https://vuldb.com/?id.313615

https://vuldb.com/?ctiid.313615

https://github.com/vstakhov/libucl/issues/319

https://github.com/user-attachments/files/19825399/libucl_crash.txt

Details

Source: Mitre, NVD

Published: 2025-06-23

Updated: 2025-06-23

Risk Information

CVSS v2

Base Score: 1.7

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:P

Severity: Low

CVSS v3

Base Score: 3.3

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Severity: Low

CVSS v4

Base Score: 1.9

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

Severity: Low

EPSS

EPSS: 0.00013