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TI-2025-10080 Aliases CVE-2025-11010GHSA-q7r9-4c9w-4548

vstakhov libucl ucl_util.c ucl_include_common heap-based overflow

Priority MEDIUM 55CWE-119Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00163 5th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
vstakhovlibucl0.9.0; 0.9.1; 0.9.2—No fix listedCNA
  • libucl Vendorvstakhov Affected 0.9.0; 0.9.1; 0.9.2 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-11010
  2. 2026-10-03 Alias added: GHSA-q7r9-4c9w-4548

References

  • TI-2026-00499 Libucl: libucl: denial of service via embedded null byte in ucl input CVSS 3.1HIGH 8.3
  • TI-2025-05900 vstakhov libucl ucl_parser.c ucl_parse_multiline_string heap-based overflow CVSS 4.0MEDIUM 4.8

Sources