CVE-2021-4008

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 SProcRenderCompositeGlyphs function. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

• CWE-119
• CWE-119

• https://lists.debian.org/debian-lts-announce/2021/12/msg00035.htmlMailing List, Third Party Advisory
• 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.htmlVendor Advisory
• https://lists.x.org/archives/xorg-announce/2021-December/003124.htmlVendor Advisory
• https://security.gentoo.org/glsa/202305-30
• https://security.netapp.com/advisory/ntap-20220114-0004/Third Party Advisory
• https://www.debian.org/security/2021/dsa-5027Third Party Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-21-1547/Third Party Advisory, VDB Entry
• https://lists.debian.org/debian-lts-announce/2021/12/msg00035.htmlMailing List, Third Party Advisory
• 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.htmlVendor Advisory
• https://lists.x.org/archives/xorg-announce/2021-December/003124.htmlVendor Advisory
• https://security.gentoo.org/glsa/202305-30
• https://security.netapp.com/advisory/ntap-20220114-0004/Third Party Advisory
• https://www.debian.org/security/2021/dsa-5027Third Party Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-21-1547/Third Party Advisory, VDB Entry

Published

Dec 17, 2021

Last Modified

Jun 17, 2026

Status

Modified

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• CVE-2021-40064There is a heap-based buffer overflow vulnerability in syste…7.5
• CVE-2021-40065The communication module has a service logic error vulnerabi…7.5
• CVE-2021-40066The access controls on the Mobility read-only API improperly…5.3
• CVE-2021-40067The access controls on the Mobility read-write API improperl…6.8
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• CVE-2021-40083Knot Resolver before 5.3.2 is prone to an assertion failure,…7.5
• CVE-2021-40084opensysusers through 0.6 does not safely use eval on files i…9.8
• CVE-2021-40085An issue was discovered in OpenStack Neutron before 16.4.1, …6.5
• CVE-2021-40086An issue was discovered in PrimeKey EJBCA before 7.6.0. As p…2.2
• CVE-2021-40087An issue was discovered in PrimeKey EJBCA before 7.6.0. When…2.7
• CVE-2021-40088An issue was discovered in PrimeKey EJBCA before 7.6.0. CMP …5.4