CVE-2026-16517
A local attacker can exploit a vulnerability in libarchive to carry out an unspecified attack.
CSIRTS triage
- What
- A local attacker can exploit a vulnerability in libarchive to carry out an unspecified attack.
- Who is affected
- Local deployments of libarchive are affected.
- Urgency
- Remediation is low urgency as the attack vector is unspecified and less critical.
- Action
- Consider updating libarchive to the latest version as a precaution.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.08% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 0% of all EPSS-scored CVEs.
Advisory coverage (3)
- low[NEW] [low] libarchive: Vulnerability allows unspecified attackcert-bund · 2026-07-23
- lowCVE-2026-16517: A signed integer overflow vulnerability was found in libarchive's ZIP writer. In the archive_w…nvd · 2026-07-21
- lowCVE-2026-16517: Libarchive: libarchive: signed integer overflow in archive_write_zip_headermsrc · 2026-07-14
External references
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[](https://www.csirts.com/cve/CVE-2026-16517)