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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.025 (84.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000
Affected products
- Tigervnc — versions before 1.3.1
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- github.com/TigerVNC/tigervnc/releases/tag/v1.3.1 (Third Party Advisory)
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.