What’s Vulnerable › Vulnerabilities

CVE-2017-5581

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-02-28 · updated 2026-06-17
• Weakness: CWE-119

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.

Affected products

• Kaspersky TigerVNC: through 1.7

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

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