Vulnerabilities / CVE-2014-0011

critical

CVE-2014-0011

tigervnc: ZRLE decoding heap-based buffer overflow in vncviewer

Published Modified CWE 787
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat5.1AV:N/AC:H/Au:N/C:P/I:P/A:P

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Red Hat (medium), Amazon (medium).

Description

Multiple heap-based buffer overflows in the ZRLE_DECODE function in common/rfb/zrleDecode.h in TigerVNC before 1.3.1, when NDEBUG is enabled, allow remote VNC servers to cause a denial of service (vncviewer crash) and possibly execute arbitrary code via vectors related to screen image rendering.

Affected packages and fixed versions

SourcePackageFixed in
amazon linux 1tigervnc, tigervnc-debuginfo, tigervnc-server and 1 more1.3.0-7.23.amzn1
Show all 4 entries from 1 source
SourcePackageFixed in
amazon linux 1tigervnc1.3.0-7.23.amzn1
amazon linux 1tigervnc-debuginfo1.3.0-7.23.amzn1
amazon linux 1tigervnc-server1.3.0-7.23.amzn1
amazon linux 1tigervnc-server-module1.3.0-7.23.amzn1

References

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.