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Description

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.

PUBLISHED Reserved 2026-02-08 | Published 2026-02-10 | Updated 2026-02-23 | Assigner VulDB




MEDIUM: 4.8CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 5.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 5.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
4.3AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Use After Free

Memory Corruption

Product status

0.651
affected

Timeline

2026-02-08:Advisory disclosed
2026-02-08:VulDB entry created
2026-02-11:VulDB entry last update

Credits

ziiiro (VulDB User) reporter

References

vuldb.com/?id.344926 (VDB-344926 | ckolivas lrzip stream.c lzma_decompress_buf use after free) vdb-entry technical-description

vuldb.com/?ctiid.344926 (VDB-344926 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.752595 (Submit #752595 | ckolivas lrzip 0.651 Memory Corruption) third-party-advisory

github.com/ckolivas/lrzip/issues/262 issue-tracking

github.com/user-attachments/files/21709004/PoC_UAF.zip exploit

github.com/ckolivas/lrzip/ product

cve.org (CVE-2025-15570)

nvd.nist.gov (CVE-2025-15570)

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