CVE-2022-46343
A vulnerability was found in X.Org. This security flaw occurs because the handler for the ScreenSaverSetAttributes request may write to…
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
A vulnerability was found in X.Org. This security flaw occurs because the handler for the ScreenSaverSetAttributes request may write to memory after it has been freed. This issue can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for ssh X forwarding sessions.
Timeline
ID reserved
By redhat
- 14 days later
· 14 days later
Published
- 2 years later
· 2 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 2.6% · top 15% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Weakness
Affected products
xorg-x11-server
- affected xorg-x11-server-1.20.4
References (7)
- https://access.redhat.com/security/cve/CVE-2022-46343 (opens in a new tab)x_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=2151758 (opens in a new tab)x_transferred
- FEDORA-2022-c3a65f7c65 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2022-721a78b7e5 (opens in a new tab)vendor-advisoryx_transferred
- DSA-5304 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2022-dd3eb7e0a8 (opens in a new tab)vendor-advisoryx_transferred
- https://security.gentoo.org/glsa/202305-30 (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-46343)Record last updated .