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TI-2025-14209 Aliases CVE-2025-15570GHSA-6gcc-w636-fgv2

ckolivas lrzip stream.c lzma_decompress_buf use after free

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 was found in ckolivas lrzip up to 0.651. This impacts the function lzma_decompress_buf of the file stream.c. Performing a manipulation results in use after free. Attacking locally is a requirement. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00226 13th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and 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
ckolivaslrzip0.651—No fix listedCNA
  • lrzip Vendorckolivas Affected 0.651 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:ckolivas:lrzip:*:*:*:*:*:*:*:*up to 0.651Vulnerableckolivas
  • cpe:2.3:a:ckolivas:lrzip:*:*:*:*:*:*:*:* Versions up to 0.651 Vulnerable ·ckolivas

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-15570
  2. 2026-10-03 Alias added: GHSA-6gcc-w636-fgv2

References

  • TI-2025-14210 ckolivas lrzip stream.c ucompthread null pointer dereference CVSS 4.0MEDIUM 4.8
  • TI-2025-08608 ckolivas lrzip strtol_l.c __GI_____strtol_l_internal null pointer dereference CVSS 4.0MEDIUM 4.8

Sources