[SECURITY] [DSA 6264-1] dnsmasq security update
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
- -------------------------------------------------------------------------
Debian Security Advisory DSA-6264-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
May 11, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------
Package : dnsmasq
CVE ID : CVE-2026-2291 CVE-2026-4890 CVE-2026-4891
CVE-2026-4892 CVE-2026-4893 CVE-2026-5172
Multiple security vulnerabilities have been discovered in Dnsmasq, a
lightweight DNS forwarder and DHCP server, which could result in cache
poisoning, bypass of security controls, denial of service or local
privilege escalation.
For the oldstable distribution (bookworm), these problems have been fixed
in version 2.90-4~deb12u2.
For the stable distribution (trixie), these problems have been fixed in
version 2.91-1+deb13u1.
We recommend that you upgrade your dnsmasq packages.
For the detailed security status of dnsmasq please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/dnsmasq
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
-----BEGIN PGP SIGNATURE-----
iQIzBAEBCgAdFiEEtuYvPRKsOElcDakFEMKTtsN8TjYFAmoCKQcACgkQEMKTtsN8
TjYaSQ//TZ3t3Pym5FoVz4321Nit6/MMIE8TCNMb9OPKyMz/TBDgPvKdZ8atYWlP
cB5NivpqnA6UMatq02C2wCWXiVTJ2uzPEz7ZpD2wzpbkVgQ0ffsPB8g1BROGzpKw
NqlETrlboaAdCfaSPP1xgniHAs4bNjJmBhdK5cLEqtQT4arF2pGL8ETetmPiMIOO
5V1k5pafK/1Zb5A0Ehcuxi81cKlz+3xZUKz23iPXynW4qpb5Jetr1n6NCqJZ+Fof
edg5IFf7xFoDVEK0MNYoNaSJXE8T/lqJ0NQ34C5+COHY1miUmcoIcY40XW4pygfu
94zWUG7HrNU3O+JCrzbuPiX2NOO3d5GCTY1V/oMxa+6UciXbWzNo4ORWfDVidqD9
Hq9gYQ/4oAJxBCdZrhKc2UteqbvbhPw+z5A8WvRl4AGjZezpcxXFXgrV6ws4mD9P
VNPM5IHAHbrb8ZLafuN/qe6nL4tO927tSDJcoEjnLSCvd8xKsKfw82qq+5vIVfZ0
6X792glxJqrojN7CJAsj60n9PYWAqazce2xiPMmMrvokvLfAbJUddCvLpWWjrqqv
aQsTAzw0Fxdz4KJ/GTllYeiAS95yo4M2H810Mg7ioWO79+WlhGy9Y2duuu4/u5hQ
SQOWH2IpOL0C9u5SzL7qvK06G54jgSizQ7CWfx+Tr3d4v6ZHs1w=
=B6xe
-----END PGP SIGNATURE-----
Reply to: