CVE-2017-5581: tigervnc
CVSS: 9.8v3.0CriticalModified
AliasesUBUNTU-CVE-2017-5581DEBIAN-CVE-2017-5581
Published 28-02-2017Last modified 05-08-2024
Vulnerability summary
CVE-2017-5581 is a critical (CVSS 9.8) vulnerability in tigervnc. EPSS estimates a 4.25% chance of exploitation in the next 30 days, higher than 90.9% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.0 (NVD)EPSS score
4.25%
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 2Timeline
- 28-02-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Buffer overflow in the ModifiablePixelBuffer::fillRect function in TigerVNC before 1.7.1 allows remote servers to execute arbitrary code via an RRE message with subrectangle outside framebuffer boundaries.
CVSS metrics
4 scores · 3 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
4.25%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
0.00 pp
From 4.25% on 19-09-2026
19-09-202619-10-2026
EPSS score4.25%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- tigervnc< 1.7.0+dfsg-3
Tigervnc1 product
- tigervnc≤ 1.7
Ubuntu1 product
- tigervnc< 1.7.0+dfsg-8ubuntu2
3 vendors · 3 products
References
12 links- www.openwall.com/lists/oss-security/2017/01/22/1Mailing ListX Refsource MLISTPatchThird Party Advisory
- github.com/TigerVNC/tigervnc/commit/18c020124ff1b2441f714da2017f63dba50720baX Refsource CONFIRMPatchThird Party Advisory
- github.com/TigerVNC/tigervnc/releases/tag/v1.7.1X Refsource CONFIRMRelease NotesThird Party Advisory
- www.openwall.com/lists/oss-security/2017/01/25/6Mailing ListX Refsource MLISTPatchThird Party Advisory
