CVE-2021-4009
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.6%
exploitation probability
0.6%top 55% of all CVEs
observed exploitation
nono source reports it
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 products
n/a · xorg-x11-serverReferences
https://lists.debian.org/debian-lts-announce/2021/12/msg00035.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NKLSZCY47QK4RCJFXITYFALCGPJAFXOK/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NXTRPFEQLFZ6NT2LPLZEID664RGC3OCC/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PDHYZM6FII35JA7J275MFCJO6ADJUPQX/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T57DCF726O5LLTST4NBL5PQ7DLPB46HT/https://lists.x.org/archives/xorg-announce/2021-December/003122.htmlhttps://lists.x.org/archives/xorg-announce/2021-December/003124.htmlhttps://security.gentoo.org/glsa/202305-30https://security.netapp.com/advisory/ntap-20220114-0004/https://www.debian.org/security/2021/dsa-5027https://www.zerodayinitiative.com/advisories/ZDI-21-1548/