CVE-2017-5581
9.8
CRITICAL · CVSS 3.0 · EPSS 4.2% (pctl 91)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 4.25% — more likely to be exploited than 91% of all CVEs |
| Weakness | CWE-119 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2017-02-28 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| tigervnc | tigervnc |
References
- http://rhn.redhat.com/errata/RHSA-2017-0630.html
- http://www.openwall.com/lists/oss-security/2017/01/22/1
- http://www.openwall.com/lists/oss-security/2017/01/25/6
- http://www.securityfocus.com/bid/95789
- https://access.redhat.com/errata/RHSA-2017:2000
- https://github.com/TigerVNC/tigervnc/commit/18c020124ff1b2441f714da2017f63dba50720ba
- https://github.com/TigerVNC/tigervnc/pull/399
- https://github.com/TigerVNC/tigervnc/releases/tag/v1.7.1
- https://security.gentoo.org/glsa/201702-19
- http://rhn.redhat.com/errata/RHSA-2017-0630.html
- http://www.openwall.com/lists/oss-security/2017/01/22/1
- http://www.openwall.com/lists/oss-security/2017/01/25/6
- http://www.securityfocus.com/bid/95789
- https://access.redhat.com/errata/RHSA-2017:2000
- https://github.com/TigerVNC/tigervnc/commit/18c020124ff1b2441f714da2017f63dba50720ba
- https://github.com/TigerVNC/tigervnc/pull/399
- https://github.com/TigerVNC/tigervnc/releases/tag/v1.7.1
- https://security.gentoo.org/glsa/201702-19
→ the Explorer · watch your stack · NVD