Buffer overflow in Libarchive

CVE-2025-5917

A vulnerability has been identified in the libarchive library. This flaw involves an 'off-by-one' miscalculation when handling prefixes and suffixes for file names. This can lead to a 1-byte write overflow. While seemingly small, such an o…

Vulnerability class: Buffer Overflow

EPSS: 0.002 (6.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.8 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-5917?
CVE-2025-5917 is a low-severity vulnerability in Libarchive, classified under Out-of-bounds Write. CVSS score: 2.8/10. Published 2025-06-09.
How severe is CVE-2025-5917?
Low severity. CVSS v3 base score is 2.8 out of 10.
Is CVE-2025-5917 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.