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Update

USN-7993-1: libpng vulnerabilities

Ubuntu ServerUbuntu Server
Canonical

USN-7993-1: libpng vulnerabilities

Publication date: 2 February 2026
Overview: libpng could be made to crash if it opened a specially crafted file.

Packages
libpng1.6 - PNG (Portable Network Graphics) file library

Details
It was discovered that libpng incorrectly handled memory when processing
certain malformed PNG files. If a user or automated system were tricked
into opening a specially crafted PNG file, an attacker could use this issue
to cause libpng to crash, resulting in a denial of service.

Update instructions
The problem can be corrected by updating your system to the following package versions:

24.04 LTS noble

  • libpng16-16t64 – 1.6.43-5ubuntu0.4
More updatesTo the product
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