CVE-2018-16336: Canonical Ubuntu Linux

Medium severity, CVSS 6.5. EPSS: 2.7% chance of exploitation in the next 30 days.

Exiv2::Internal::PngChunk::parseTXTChunk in Exiv2 v0.26 allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted image file, a different vulnerability than CVE-2018-10999.

Affected products

• Canonical Ubuntu Linux: version 14.04 only; version 16.04 only; version 18.04 only; version 18.10 only
• Debian Debian Linux: version 8.0 only
• EXIV2 EXIV2: version 0.26 only

Published 2018-09-02. Last modified 2026-06-17.