| Name | CVE-2026-3593 |
| Description | A use-after-free vulnerability exists within the DNS-over-HTTPS implem ... |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| bind9 (PTS) | bullseye | 1:9.16.50-1~deb11u2 | vulnerable |
| bullseye (security) | 1:9.16.50-1~deb11u5 | vulnerable |
| bookworm | 1:9.18.47-1~deb12u1 | vulnerable |
| bookworm (security) | 1:9.18.49-1~deb12u1 | vulnerable |
| trixie | 1:9.20.21-1~deb13u1 | vulnerable |
| trixie (security) | 1:9.20.23-1~deb13u1 | fixed |
| forky | 1:9.20.22-1 | vulnerable |
| sid | 1:9.20.23-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| bind9 | source | trixie | 1:9.20.23-1~deb13u1 | | | |
| bind9 | source | (unstable) | 1:9.20.23-1 | | | |
Notes
https://kb.isc.org/docs/cve-2026-3593