Which versions of Lrzip are affected by CVE-2025-15570?

Organizations using ckolivas lrzip should be aware of moderate risk from CVE-2025-15570, a buffer overflow vulnerability rated CVSS 5.3.

Is there a public PoC exploit available for CVE-2025-15570?

Yes, a public proof-of-concept exploit is available for CVE-2025-15570. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2025-15570?

Within 30 days: Identify affected systems running ckolivas lrzip and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Lrzip CVE-2025-15570

Q: What is the CVSS score of CVE-2025-15570?

CVE-2025-15570 has a CVSS 4.0 base score of 1.9 (Low). CVSS vector: CVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.0%.

LOW

Buffer Overflow (CWE-119)

2026-02-10 cna@vuldb.com

Buffer Overflow Denial Of Service Lrzip Ckolivas

1.9

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

1.9 LOW

CVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

SUSE

4.3 MEDIUM

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

Primary rating from NVD.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

5.3 (MEDIUM) 1.9 (LOW)

Analysis Generated

Mar 12, 2026 - 22:02 vuln.today

PoC Detected

Feb 27, 2026 - 18:13 vuln.today

Public exploit code

CVE Published

Feb 10, 2026 - 14:16 nvd

MEDIUM 5.3

DescriptionCVE.org

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.

AnalysisAI

A vulnerability was found in ckolivas lrzip up to 0.651. This impacts the function lzma_decompress_buf of the file stream.c. [CVSS 5.3 MEDIUM]

Technical ContextAI

Classified as CWE-119 (Buffer Overflow). Affects Lrzip. 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.