Home/CVE/A vulnerability classified as critical was found in X.org Server. Affected by this vulnerability is the function _GetCou
CVE

CVE-2022-3550

A vulnerability classified as critical was found in X.org Server. Affected by this vulnerability is the function _GetCou

A vulnerability classified as critical was found in X.org Server. Affected by this vulnerability is the function _GetCountedString of the file xkb/xkb.c. The manipulation leads to buffer overflow.

It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211051.

MEDIUM · CVSS 5.5 EPSS 0.00346
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
▤

Affected Products & Versions

3
x.org x server< 21.1.6
debian linuxall versions
fedoraproject fedoraall versions
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · cna@vuldb.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD17 Oct 2022 · 01:15 PM
CVSS VectorCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
⚑

Vendor Advisories

16
suse-csafopenSUSE-SU-2024:12427-1
suse-csafopenSUSE-SU-2024:12428-1
rhsaRHSA-2023:2248Important
rhsaRHSA-2023:2249Important
rhsaRHSA-2023:2806Important
🔗

References & Sources

9
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://cgit.freedesktop.org/xorg/xserver/commit/?id=11beef0b7f1ed290348e45618e5fa0d2bffcb72eMailing ListPatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00012.htmlMailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3QTPFVGYTOY4EWTJEBH3YGDTTU57FZAK/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IOEDFBYPSE3EMVHTEFCVEJD2R2Y5F2A5/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OXZZ6JBDBVBYPDI6DUTY6N36GNW37YHK/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X7W3NXSYK4P3XCZQBI3U6UWP4DPZIMRZ/
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