Medium 5.3Published Feb 10, 2026

CVE-2025-15570ckolivas lrzip stream.c lzma_decompress_buf use after free

Updated under an hour ago (Oct 26, 2026, 3:00 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for ckolivas lrzip

Exploited in the last 30 days

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.

CVSS: 5.3 MEDIUM (v3.1, CNA)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
Weakness (CWE): CWE-416, CWE-119
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Modified
Record last updated: May 6, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

ckolivas lrzip ckolivas:lrzip (from the name)	0.651	CNA record
ckolivas lrzip ckolivas:lrzip	through 0.651	NVD

References

References

https://vuldb.com/?id.344926	vdb-entry, technical-description, third-party-advisory
https://vuldb.com/?ctiid.344926	signature, permissions-required, vdb-entry
https://vuldb.com/?submit.752595	third-party-advisory, exploit, vdb-entry
https://github.com/ckolivas/lrzip/issues/262	issue-tracking, exploit
https://github.com/user-attachments/files/21709004/PoC_UAF.zip	exploit
https://github.com/ckolivas/lrzip/	product
https://lists.debian.org/debian-lts-announce/2026/05/msg00011.html

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.