CVE-2021-4011

EPSS 0.6%CWE-119

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.6%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

17 Dec 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

Affected products

n/a · xorg-x11-server

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References

https://lists.debian.org/debian-lts-announce/2021/12/msg00035.html https://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.html https://lists.x.org/archives/xorg-announce/2021-December/003124.html https://security.gentoo.org/glsa/202305-30 https://security.netapp.com/advisory/ntap-20220114-0004/https://www.debian.org/security/2021/dsa-5027 https://www.zerodayinitiative.com/advisories/ZDI-21-1550/