9.8

CVE-2014-0011: tigervnc Out-of-bounds Write

CVSS: 9.8v3.1CriticalModified
AliasesMGASA-2014-0173
Published 02-01-2020Last modified 06-08-2024

Vulnerability summary

CVE-2014-0011 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in tigervnc. EPSS estimates a 2.49% chance of exploitation in the next 30 days, higher than 84.5% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
2.49%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1

Timeline

  1. 02-01-2020
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

2.49%

Chance of exploitation in the next 30 days

Percentile

85%

Versus all other CVEs

30-day change

0.00 pp

From 2.49% on 21-09-2026

21-09-202621-10-2026
EPSS score
2.49%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Mageia2 products
  • tigervnc< 1.1.0-3.2.mga3
  • tigervnc< 1.3.0-2.1.mga4
Debian1 product
  • vnc4< 4.1.1+X4.3.0+t-1
Tigervnc1 product

3 vendors · 4 products

References

5 links