PT-2026-7264 · Ckolivas · Lrzip

Ziiiro · Published 2026-02-10 · Updated 2026-02-27 · CVE-2025-15571

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions ckolivas lrzip versions up to 0.651

Description A security issue exists in ckolivas lrzip. The ucompthread function within the stream.c file is susceptible to a null pointer dereference. This manipulation can be performed locally. The exploit for this issue has been publicly disclosed. The project maintainers were notified but have not yet responded.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

NULL Pointer Dereference

Improper Resource Release

Weakness Enumeration

CWE-476

CWE-404

Related Identifiers

CVE-2025-15571

Affected Products

Lrzip

References · 17

• 🔥 https://github.com/ckolivas/lrzip/issues/263 · Exploit
• 🔥❌ https://github.com/user-attachments/files/21726331/PoC_NPD.zip · Exploit, Deleted
• https://security-tracker.debian.org/tracker/CVE-2025-15571 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-15571 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-15571 · Security Note
• https://cve.org/CVERecord?id=CVE-2025-15571 · Security Note
• https://ubuntu.com/security/CVE-2025-15571 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-15571 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-15571 · Vendor Advisory
• https://twitter.com/VulmonFeeds/status/2021255237315489967 · Twitter Post
• https://github.com/ckolivas/lrzip · Note
• https://vuldb.com/?submit.752603 · Note
• https://t.me/cveNotify/153521 · Telegram Post
• https://vuldb.com/?id.344931 · Note
• https://twitter.com/CVEnew/status/2021243234840871218 · Twitter Post