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.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
2.49%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 02-01-2020PublishedVulnerability first disclosed.
- 06-08-2024Last 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 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
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 score2.49%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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
- tigervnc< 1.3.1
3 vendors · 4 products
References
5 links- bugzilla.redhat.com/show_bug.cgi?id=1050928X Refsource MISCIssue TrackingPatchThird Party AdvisoryREPORT