Fiche vulnérabilité
CVE-2021-4011 : faille élevée x.org x server (CVSS 7.8)
Description
A flaw was found in xorg-x11-server in versions before 21.1.2 and before 1.20.14. An out-of-bounds access can occur in the SwapCreateRegister function. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
En bref
- Sévérité
- Élevée (CVSS 7.8)
- Vecteur CVSS
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Exploitation active
- Non signalée par la CISA
- Publication
- 17 déc. 2021
- Dernière mise à jour
- 17 juin 2026
Produits concernés
- x.org x server
- fedoraproject fedora
- debian debian linux
Références
- Fiche CVE-2021-4011 sur le NVD (NIST)
- lists.debian.org/debian-lts-announce/2021/12/msg00035.html
- lists.fedoraproject.org/archives/list/package…
- lists.fedoraproject.org/archives/list/package…
- lists.fedoraproject.org/archives/list/package…
- lists.fedoraproject.org/archives/list/package…
- lists.x.org/archives/xorg…
- lists.x.org/archives/xorg…
- security.gentoo.org/glsa/202305-30
- security.netapp.com/advisory/ntap-20220114-0004/
- debian.org/security/2021/dsa-5027
- zerodayinitiative.com/advisories/ZDI-21-1550/