CVEvulnerability
CVE-2021-4009
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-12-17
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-119
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 SProcXFixesCreatePointerBarrier function. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Affected configurations
• x.org x server (< 1.20.14)
• x.org x server 21.1.0
• x.org x server 21.1.1
• fedoraproject fedora 34
• fedoraproject fedora 35
• debian debian linux 9.0
• debian debian linux 10.0
• debian debian linux 11.0
Related
Weakness · CWE (1)
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
References
- https://lists.debian.org/debian-lts-announce/2021/12/msg00035.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NKLSZCY47QK4RCJFXITYFALCGPJAFXOK/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NXTRPFEQLFZ6NT2LPLZEID664RGC3OCC/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PDHYZM6FII35JA7J275MFCJO6ADJUPQX/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T57DCF726O5LLTST4NBL5PQ7DLPB46HT/ lists.fedoraproject.org
- https://lists.x.org/archives/xorg-announce/2021-December/003122.html Vendor Advisory
- https://lists.x.org/archives/xorg-announce/2021-December/003124.html Vendor Advisory
- https://security.gentoo.org/glsa/202305-30 security.gentoo.org
- https://security.netapp.com/advisory/ntap-20220114-0004/ Third Party Advisory
- https://www.debian.org/security/2021/dsa-5027 Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-1548/ Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2021/12/msg00035.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NKLSZCY47QK4RCJFXITYFALCGPJAFXOK/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NXTRPFEQLFZ6NT2LPLZEID664RGC3OCC/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PDHYZM6FII35JA7J275MFCJO6ADJUPQX/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T57DCF726O5LLTST4NBL5PQ7DLPB46HT/ lists.fedoraproject.org
- https://lists.x.org/archives/xorg-announce/2021-December/003122.html Vendor Advisory
- https://lists.x.org/archives/xorg-announce/2021-December/003124.html Vendor Advisory
- https://security.gentoo.org/glsa/202305-30 security.gentoo.org
- https://security.netapp.com/advisory/ntap-20220114-0004/ Third Party Advisory
- https://www.debian.org/security/2021/dsa-5027 Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-1548/ Third Party Advisory, VDB Entry