------------------------------------------------------------------------- Debian LTS Advisory DLA-4537-1 [email protected] https://www.debian.org/lts/security/ Guilhem Moulin April 17, 2026 https://wiki.debian.org/LTS -------------------------------------------------------------------------
Package : mapserver Version : 7.6.2-1+deb11u2 CVE ID : CVE-2026-33721 A heap-buffer-overflow was found in mapserver, a CGI-based framework for Internet map services, which could lead to Denial of Service via crafted SLD (Styled Layer Descriptor) sent by a remote unauthenticated attacker. For Debian 11 bullseye, this problem has been fixed in version 7.6.2-1+deb11u2. We recommend that you upgrade your mapserver packages. For the detailed security status of mapserver please refer to its security tracker page at: https://security-tracker.debian.org/tracker/mapserver 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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