CVE-2026-77692

NameCVE-2026-77692
DescriptionAn attacker can cause `named` to abort by sending a crafted DNS-over-HTTPS request with a cryptographically invalid SIG(0) record, and then closing the transport connection prematurely. This issue affects BIND 9 versions 9.20.0 through 9.20.27, 9.21.0 through 9.21.25, and 9.20.9-S1 through 9.20.27-S1.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-6505-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
bind9 (PTS)bookworm1:9.18.49-1~deb12u1vulnerable
bookworm (security)1:9.18.49-1~deb12u2vulnerable
trixie1:9.20.26-1~deb13u1vulnerable
trixie (security)1:9.20.29-1~deb13u1fixed
forky1:9.20.27-2vulnerable
sid1:9.20.29-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
bind9sourcetrixie1:9.20.29-1~deb13u1DSA-6505-1
bind9source(unstable)1:9.20.29-1

Notes

https://kb.isc.org/docs/cve-2026-77692
Search for package or bug name: Reporting problems