| Package | mapserver |
|---|---|
| Version | 7.0.4-2+deb9u2 (stretch), 7.2.2-1+deb10u2 (buster) |
| Related CVEs | 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 10 buster, these problems have been fixed in version 7.2.2-1+deb10u2.
For Debian 9 stretch, these problems have been fixed in version 7.0.4-2+deb9u2.
We recommend that you upgrade your mapserver packages.
Further information about Extended LTS security advisories can be found in the dedicated section of our website.