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Ubuntu Security NoticesUSN-8902-1

USN-8902-1: libarchive vulnerability

Severity not listed 0 CVEs Published Oct 8, 2026 at 1:14 PM UTC

Summary

It was discovered that libarchive had a signed integer overflow in its ZIP writer when handling encrypted entries with sizes near the maximum value. An attacker could possibly use this issue to cause libarchive to crash or execute arbitrary code.

Products covered

A separate affected-products list was not included in the collected bulletin.

Remediation

Separate remediation guidance was not included in the collected bulletin.

CVEs in this advisory 0

No CVE identifiers were listed in the collected bulletin.

Updates

  1. Published by Ubuntu

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.