Debian 11 libexif Important Crashes Info Leaks DLA-4558-1 CVE-2026-32775
debian lts
May 1, 2026
Three security vulnerabilities were discovered in libexif, a library to reads and writes EXIF metainformation from and to images files, that can causes crashes or information leaks
Topics Covered
Summary
CVE-2026-32775
If the exif_mnote_data_get_value function in MakerNotes gets passed
in a 0 size, the passed in-buffer would be overwritten due to an
integer underflow.
CVE-2026-40385
An unsigned 32bit integer overflow in Nikon MakerNote handling could
be used by local attackers to cause crashes or information leaks.
CVE-2026-40386
An integer underflow in size checking for Fuji and Olympus MakerNote
decoding could be used by attackers to crash or leak information out
of libexif-using programs.
For Debian 11 bullseye, these problems have been fixed in version
0.6.22-3+deb11u1.
We recommend that you upgrade your libexif packages.
For the detailed security status of libexif please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/libexif
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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Severity
important
Lowest
Low
Medium
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Critical
Package: libexif
Version: 0.6.22-3+deb11u1
CVE ID: CVE-2026-32775 CVE-2026-40385 CVE-2026-40386
Debian Bug: 1131116 1133922 1133923
Topics Covered
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