CVE-2017-5581
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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 4.24% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 90.6% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2017-02-28 18:00Z9 YR AGO
- Last updated
- 2024-08-05 15:04Z2 YR AGO
- Reserved
- 2017-01-25
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
- Data version
- 5.1
- Document digest
- 2997dae88b73b3671b43ddfd815ac1733bb2b9088a879a48dbc7b1ef9ae61117
05 Affected products
06 References
- www.openwall.com[oss-security] 20170121 Re: [tigervnc-announce] TigerVNC 1.7.1http://www.openwall.com/lists/oss-security/2017/01/22/1
- rhn.redhat.comRHSA-2017:0630http://rhn.redhat.com/errata/RHSA-2017-0630.html
- access.redhat.comRHSA-2017:2000https://access.redhat.com/errata/RHSA-2017:2000
- security.gentoo.orgGLSA-201702-19https://security.gentoo.org/glsa/201702-19
- github.comhttps://github.com/TigerVNC/tigervnc/pull/399
- github.comhttps://github.com/TigerVNC/tigervnc/commit/18c020124ff1b2441f714da2017f63dba50720ba
- github.comhttps://github.com/TigerVNC/tigervnc/releases/tag/v1.7.1
- www.openwall.com[oss-security] 20170125 Re: [tigervnc-announce] TigerVNC 1.7.1http://www.openwall.com/lists/oss-security/2017/01/25/6
- www.securityfocus.com95789http://www.securityfocus.com/bid/95789
07 Fixed in
Debian 12
- tigervnc Fixed in 1.7.0+dfsg-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- tigervnc Fixed in 1.7.0+dfsg-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- tigervnc Fixed in 1.7.0+dfsg-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.