CVE-2022-3550: debian debian_linux
CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2022-3550DEBIAN-CVE-2022-3550
Published 17-10-2022Last modified 15-04-2025
Vulnerability summary
CVE-2022-3550 is a high (CVSS 8.8) vulnerability in debian debian_linux. EPSS estimates a 2.02% chance of exploitation in the next 30 days, higher than 80.6% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
2.02%
0%100%
Low · +0.45 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 19 · Related 11DLA-3185-1DSA-5278-1MGASA-2022-0431OPENSUSE-SU-2024:12427-1OPENSUSE-SU-2024:12428-1RHSA-2022:8491RHSA-2023:2248RHSA-2023:2249RHSA-2023:2805RHSA-2023:2806SUSE-SU-2022:3840-1SUSE-SU-2022:3841-1SUSE-SU-2022:3850-1SUSE-SU-2022:3856-1SUSE-SU-2022:3857-1SUSE-SU-2022:3862-1SUSE-SU-2022:3863-1SUSE-SU-2022:3941-1USN-5740-1
Timeline
- 17-10-2022PublishedVulnerability first disclosed.
- 15-04-2025Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
4 scores · 4 sources · 1 versionHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSources4 sources · 5.5–8.8
- CVE.orgCNA5.5MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:LDiffers
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:LDiffers
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
2.02%
Chance of exploitation in the next 30 days
Percentile
81%
Versus all other CVEs
30-day change
+0.45 pp
From 1.57% on 19-09-2026
19-09-202619-10-2026
EPSS score2.02%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
- CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.
Affected systems
Ubuntu4 products
- xorg-server< 2:1.15.1-0ubuntu2.11+esm6 | < 2:1.18.4-0ubuntu0.12+esm4 | < 2:1.19.6-1ubuntu4.12 | < 2:1.20.13-1ubuntu1~20.04.4 | < 2:21.1.3-2ubuntu2.3
- xorg-server-hwe-16.04< 2:1.19.6-1ubuntu4.1~16.04.6+esm3
- xorg-server-hwe-18.04< 2:1.20.8-2ubuntu2.2~18.04.8
- xwayland< 2:22.1.1-1ubuntu0.3
Debian3 products
- xorg-server< 2:21.1.4-3
- xwayland< 2:22.1.5-1
- debian_linuxEOL10.0 | 11.0
Fedoraproject1 product
- fedoraEOL35 | 36 | 37
4 vendors · 10 products
References
13 links- cgit.freedesktop.org/xorg/xserver/commit/?id=11beef0b7f1ed290348e45618e5fa0d2bffcb72eMailing ListPatchVendor Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory
- security.gentoo.org/glsa/202305-30Vendor Advisory