Buffer overflow in Tigervnc
CVE-2024-0409
A flaw was found in the X.Org server. The cursor code in both Xephyr and Xwayland uses the wrong type of private at creation. It uses the cursor bits type with the cursor as private, and when initiating the cursor, that overwrites the XSEL…
Vulnerability class: Buffer Overflow
EPSS: 0.004 (28.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Tigervnc
- X.org X_server
- X.org Xwayland
- Fedoraproject Fedora — versions 39
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7 — versions 0:1.20.4-27.el7_9
- Red Hat Enterprise Linux 8 — versions 0:1.20.11-22.el8, 0:21.1.3-15.el8
- Red Hat Enterprise Linux 9 — versions 0:1.20.11-24.el9, 0:22.1.9-5.el9
- Redhat Enterprise_linux — versions 6.0, 7.0, 8.0
- Redhat Enterprise_linux_desktop — versions 7.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, Third Party Advisory, vdb-entry)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking, Third Party Advisory, Issue Tracking)
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2024-0409?
- CVE-2024-0409 is a high-severity vulnerability in Tigervnc, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2024-01-18.
- How severe is CVE-2024-0409?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2024-0409 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.