CVE-2026-3593
CVE-2026-3593 · Heap use-after-free vulnerability in BIND 9 DNS-over-HTTPS implementation
Cette page présente des faits issus de sources publiques. Consultez l’avis original avant toute mise à jour.
A use-after-free vulnerability exists within the DNS-over-HTTPS implementation. This issue affects BIND 9 versions 9.20.0 through 9.20.22, 9.21.0 through 9.21.21, and 9.20.9-S1 through 9.20.22-S1. BIND 9 versions 9.18.0 through 9.18.48 and 9.18.11-S1 through 9.18.48-S1 are NOT affected.
CVSS 7.4 · Élevée · EPSS 1,5% · Correctif disponible
- Publication
- Mise à jour
Pile logicielle: system
Produits et versions concernés
bind 9
- Versions du logiciel
- ≥ 9.20.0, ≤ 9.20.22: Concernée (custom)
- ≥ 9.21.0, ≤ 9.21.21: Concernée (custom)
- ≥ 9.20.9-S1, ≤ 9.20.22-S1: Concernée (custom)
- ≥ 9.18.0, ≤ 9.18.48: Non concernée (custom)
- ≥ 9.18.11-S1, ≤ 9.18.48-S1: Non concernée (custom)
Aucun correctif publié
bind9 Debian:13
- Versions du logiciel
- 1:9.20.11-4
- 1:9.20.15-1
- 1:9.20.15-1~deb13u1
- 1:9.20.15-1~deb13u1~bpo12+1
- 1:9.20.15-2
- 1:9.20.18-1
- 1:9.20.18-1~deb13u1
- 1:9.20.18-1~deb13u1~bpo12+1
- 1:9.20.19-1
- 1:9.20.19-1~bpo12+1
- 1:9.20.20-1
- 1:9.20.20-1~bpo12+1
- 1:9.20.21-1
- 1:9.20.21-1~deb13u1
- 1:9.20.21-1~deb13u1~bpo12+1
- 1:9.20.22-1
- 1:9.20.23-1~deb13u1~bpo12+1
- Plages de versions concernées
- ECOSYSTEM: < 1:9.20.23-1~deb13u1
Mettez à jour vers 1:9.20.23-1~deb13u1
bind9 Debian:14
- Versions du logiciel
- 1:9.20.11-4
- 1:9.20.15-1
- 1:9.20.15-1~deb13u1
- 1:9.20.15-1~deb13u1~bpo12+1
- 1:9.20.15-2
- 1:9.20.18-1
- 1:9.20.18-1~deb13u1
- 1:9.20.18-1~deb13u1~bpo12+1
- 1:9.20.19-1
- 1:9.20.19-1~bpo12+1
- 1:9.20.20-1
- 1:9.20.20-1~bpo12+1
- 1:9.20.21-1
- 1:9.20.21-1~deb13u1
- 1:9.20.21-1~deb13u1~bpo12+1
- 1:9.20.22-1
- 1:9.20.23-1~deb13u1
- 1:9.20.23-1~deb13u1~bpo12+1
- Plages de versions concernées
- ECOSYSTEM: < 1:9.20.23-1
Mettez à jour vers 1:9.20.23-1
bind9 Ubuntu:25.10
- Versions du logiciel
- 1:9.20.4-3ubuntu1
- 1:9.20.4-3ubuntu2
- 1:9.20.4-3ubuntu3
- 1:9.20.9-2ubuntu1
- 1:9.20.10-1ubuntu1
- 1:9.20.11-1ubuntu1
- 1:9.20.11-1ubuntu2
- 1:9.20.11-1ubuntu2.1
- 1:9.20.11-1ubuntu2.2
- Plages de versions concernées
- ECOSYSTEM: < 1:9.20.11-1ubuntu2.4
Mettez à jour vers 1:9.20.11-1ubuntu2.4
bind9 Ubuntu:26.04:LTS
- Versions du logiciel
- 1:9.20.11-1ubuntu2
- 1:9.20.11-1ubuntu3
- 1:9.20.18-1ubuntu1
- 1:9.20.18-1ubuntu2
- Plages de versions concernées
- ECOSYSTEM: < 1:9.20.18-1ubuntu2.1
Mettez à jour vers 1:9.20.18-1ubuntu2.1
Sources originales
- https://kb.isc.org/docs/cve-2026-3593
- https://downloads.isc.org/isc/bind9/9.20.23
- https://downloads.isc.org/isc/bind9/9.21.22
- https://access.redhat.com/security/cve/CVE-2026-3593
- https://bugzilla.redhat.com/show_bug.cgi?id=2479770
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3593.json
- https://access.redhat.com/errata/RHSA-2026:7412
- https://nvd.nist.gov/vuln/detail/CVE-2026-3593