PT-2026-7262 · Lrzip · Lrzip

Ziiiro · Published 2026-02-10 · Updated 2026-02-27 · CVE-2025-15570

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

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

Description A flaw exists in lrzip that involves a use-after-free condition within the lzma decompress buf function located in the stream.c file. Local access is required for exploitation. The exploit has been publicly disclosed. The project maintainers were notified of the issue 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

Buffer Overflow

Use After Free

Weakness Enumeration

CWE-119

CWE-416

Related Identifiers

CVE-2025-15570

Affected Products

Lrzip

References · 17

• 🔥 https://github.com/ckolivas/lrzip/issues/262 · Exploit
• 🔥❌ https://github.com/user-attachments/files/21709004/PoC_UAF.zip · Exploit, Deleted
• 🔥 https://vuldb.com/?submit.752595 · Exploit
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-15570 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-15570 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2025-15570 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-15570 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-15570 · Security Note
• https://osv.dev/vulnerability/CVE-2025-15570 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-15570 · Security Note
• https://t.me/CVEtracker/44307 · Telegram Post
• https://twitter.com/CVEnew/status/2021225013341454798 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2021260357302358046 · Twitter Post
• https://vuldb.com/?id.344926 · Note
• https://t.me/cveNotify/153556 · Telegram Post