Vulnerability · Published Sep 26, 2025 · Assigned by VulDB
CVE-2025-11010vstakhov libucl ucl_util.c ucl_include_common heap-based overflow
Medium 5.3
In plain English
A medium-severity heap buffer overflow in libucl from vstakhov. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.2%top 94.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
Weakness: CWE-122, CWE-119 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-325953 | vstakhov libucl ucl_util.c ucl_include_common heap-based overflow vdb-entry, technical-description
- VDB-325953 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #654068 | vstakhov libucl 0.9.2 / master commit d8af953 Heap-based Buffer Overflow third-party-advisory
- https://github.com/vstakhov/libucl/issues/337 issue-tracking
- https://github.com/user-attachments/files/22317650/poc.zip exploit