Buffer overflow in Vstakhov Libucl
CVE-2025-11010
A vulnerability has been found in vstakhov libucl up to 0.9.2. Affected by this vulnerability is the function ucl_include_common of the file /src/ucl_util.c. Such manipulation leads to heap-based buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.002 (4.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Vstakhov Libucl — versions 0.9.0, 0.9.1, 0.9.2
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, vdb-entry)
- vuldb.com/ (signature, permissions-required)
- vuldb.com/ (third-party-advisory)
- github.com/vstakhov/libucl/issues/337 (issue-tracking)
- github.com/user-attachments/files/22317650/poc.zip (exploit)
Frequently asked questions
- What is CVE-2025-11010?
- CVE-2025-11010 is a medium-severity vulnerability in Vstakhov Libucl, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2025-09-26.
- How severe is CVE-2025-11010?
- Medium severity. CVSS v3 base score is 5.3 out of 10.