Buffer overflow in Tigervnc

CVE-2014-0011

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.

Vulnerability class: Buffer Overflow

EPSS: 0.025 (83.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2014-0011?
CVE-2014-0011 is a critical-severity vulnerability in Tigervnc, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-01-02.
How severe is CVE-2014-0011?
Critical severity. CVSS v3 base score is 9.8 out of 10.