USN-7993-1: libpng vulnerabilities
Publication date
2 February 2026
Overview
libpng could be made to crash if it opened a specially crafted file.
Releases
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.
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
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 24.04 LTS noble | libpng16-16t64 – 1.6.43-5ubuntu0.4 | ||
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