Integer Overflow or Wraparound The advisory has been revoked - it doesn't affect any version of package tigervnc (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL9-TIGERVNC-10667333
- published9 Jul 2025
- disclosed13 Dec 2023
Introduced: 13 Dec 2023
CVE-2023-6478 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:9.
NVD Description
Note: Versions mentioned in the description apply only to the upstream tigervnc package and not the tigervnc package as distributed by RHEL.
A flaw was found in xorg-server. A specially crafted request to RRChangeProviderProperty or RRChangeOutputProperty can trigger an integer overflow which may lead to a disclosure of sensitive information.
References
- https://access.redhat.com/security/cve/CVE-2023-6478
- http://www.openwall.com/lists/oss-security/2023/12/13/1
- https://lists.debian.org/debian-lts-announce/2023/12/msg00008.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6R63Z6GIWM3YUNZRCGFODUXLW3GY2HD6/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7PP47YXKM5ETLCYEF6473R3VFCJ6QT2S/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IFHV5KCQ2SVOD4QMCPZ5HC6YL44L7YJD/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LJDFWDB7EQVZA45XDP7L5WRSRWS6RVRR/
- https://security.gentoo.org/glsa/202401-30
- https://security.netapp.com/advisory/ntap-20240125-0003/
- https://www.debian.org/security/2023/dsa-5576
- https://access.redhat.com/errata/RHSA-2024:0010
- https://bugzilla.redhat.com/show_bug.cgi?id=2253298
- https://gitlab.freedesktop.org/xorg/xserver/-/commit/14f480010a93ff962fef66a16412fafff81ad632
- https://lists.x.org/archives/xorg-announce/2023-December/003435.html