What’s Vulnerable › Vulnerabilities

CVE-2017-5884

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-02-28 · updated 2026-06-17
• Weakness: CWE-118

Description

gtk-vnc before 0.7.0 does not properly check boundaries of subrectangle-containing tiles, which allows remote servers to execute arbitrary code via the src x, y coordinates in a crafted (1) rre, (2) hextile, or (3) copyrect tile.

Affected products

• Fedoraproject Fedora: 25
• GNOME Gtk-Vnc: through 0.6.0

References

• http://www.openwall.com/lists/oss-security/2017/02/03/5
• http://www.openwall.com/lists/oss-security/2017/02/05/5
• http://www.securityfocus.com/bid/96016
• https://access.redhat.com/errata/RHSA-2017:2258
• https://bugzilla.gnome.org/show_bug.cgi?id=778048
• https://git.gnome.org/browse/gtk-vnc/commit/?id=ea0386933214c9178aaea9f2f85049ea3fa3e14a
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LGPQ5MQR6SN4DYTEFACHP2PP5RR26KYK/
• http://www.openwall.com/lists/oss-security/2017/02/03/5
• http://www.openwall.com/lists/oss-security/2017/02/05/5
• http://www.securityfocus.com/bid/96016
• https://access.redhat.com/errata/RHSA-2017:2258
• https://bugzilla.gnome.org/show_bug.cgi?id=778048

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