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Debian Security Advisory DSA-6203-1                   security@debian.org
https://www.debian.org/security/                       Moritz Muehlenhoff
April 08, 2026                        https://www.debian.org/security/faq
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Package        : tiff
CVE ID         : CVE-2026-4775

Quang Luong discovered a heap overflow in the libtiff library, which may
result in denial of service or the execution of arbitrary code if
malformed image files are processed.

For the oldstable distribution (bookworm), this problem has been fixed
in version 4.5.0-6+deb12u4.

For the stable distribution (trixie), this problem has been fixed in
version 4.7.0-3+deb13u2.

We recommend that you upgrade your tiff packages.

For the detailed security status of tiff please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/tiff

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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