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Debian Security Advisory DSA 4435-1 (libpng1.6 - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'libpng1.6' package(s) announced via the DSA-4435-1 advisory.
Insight
Insight
A use-after-free vulnerability was discovered in the png_image_free() function in the libpng PNG library, which could lead to denial of service or potentially the execution of arbitrary code if a malformed image is processed.
Affected Software
Affected Software
'libpng1.6' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For the stable distribution (stretch), this problem has been fixed in version 1.6.28-1+deb9u1. We recommend that you upgrade your libpng1.6 packages.