CVE-2024-9632
Xorg-x11-server: tigervnc: heap-based buffer overflow privilege escalation vulnerability
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
A flaw was found in the X.org server. Due to improperly tracked allocation size in _XkbSetCompatMap, a local attacker may be able to trigger a buffer overflow condition via a specially crafted payload, leading to denial of service or local privilege escalation in distributions where the X.org server is run with root privileges.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Deferred | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.90% · top 40% 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 7.8.
Weakness
Affected products
xorg-server
- affected 1.1.1 – < 21.1.14
Red Hat · Red Hat Enterprise Linux 10
- unaffected 0:24.1.5-3.el10_0 – < *
Red Hat · Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION
- unaffected 0:1.1.0-25.el6_10.13 – < *
Red Hat · Red Hat Enterprise Linux 7 Extended Lifecycle Support
- unaffected 0:1.8.0-34.el7_9 – < *
Red Hat · Red Hat Enterprise Linux 8
- unaffected 0:1.20.11-25.el8_10 – < *
Red Hat · Red Hat Enterprise Linux 8
- unaffected 0:21.1.3-17.el8_10 – < *
Red Hat · Red Hat Enterprise Linux 8
- unaffected 0:1.13.1-14.el8_10 – < *
Red Hat · Red Hat Enterprise Linux 8.2 Advanced Update Support
- unaffected 0:1.9.0-15.el8_2.12 – < *
Red Hat · Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
- unaffected 0:1.11.0-8.el8_4.11 – < *
Red Hat · Red Hat Enterprise Linux 8.4 Telecommunications Update Service
- unaffected 0:1.11.0-8.el8_4.11 – < *
Red Hat · Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions
- unaffected 0:1.11.0-8.el8_4.11 – < *
Red Hat · Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
- unaffected 0:1.12.0-6.el8_6.12 – < *
Red Hat · Red Hat Enterprise Linux 8.6 Telecommunications Update Service
- unaffected 0:1.12.0-6.el8_6.12 – < *
Red Hat · Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
- unaffected 0:1.12.0-6.el8_6.12 – < *
Red Hat · Red Hat Enterprise Linux 8.8 Extended Update Support
- unaffected 0:1.12.0-15.el8_8.11 – < *
Red Hat · Red Hat Enterprise Linux 9
- unaffected 0:1.14.1-1.el9_5 – < *
Red Hat · Red Hat Enterprise Linux 9
- unaffected 0:1.20.11-28.el9_6 – < *
Red Hat · Red Hat Enterprise Linux 9
- unaffected 0:23.2.7-3.el9_6 – < *
Red Hat · Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
- unaffected 0:1.11.0-22.el9_0.12 – < *
Red Hat · Red Hat Enterprise Linux 9.2 Extended Update Support
- unaffected 0:1.12.0-14.el9_2.9 – < *
Red Hat · Red Hat Enterprise Linux 9.4 Extended Update Support
- unaffected 0:1.13.1-8.el9_4.4 – < *
Red Hat · Red Hat Enterprise Linux 6
All versions: unknown
Red Hat · Red Hat Enterprise Linux 7
All versions: unknown
What to do
Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
References (20)
- RHSA-2024:10090 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2024:8798 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2024:9540 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2024:9579 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2024:9601 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2024:9690 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2024:9816 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2024:9818 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2024:9819 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2024:9820 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2024:9901 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2025:12751 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2025:7163 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2025:7165 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2025:7458 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2024-9632 (opens in a new tab)vdb-entryx_refsource_REDHAT
- RHBZ#2317233 (opens in a new tab)issue-trackingx_refsource_REDHAT
- http://www.openwall.com/lists/oss-security/2024/10/29/2 (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2024/10/msg00031.html (opens in a new tab)
- http://seclists.org/fulldisclosure/2024/Oct/20 (opens in a new tab)
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-2024-9632)Record last updated .