CVE-2017-5581

9.8 criticalEPSS 4.2%

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.

Severity

CVSS 3.0

9.8 critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 4.2% chance of exploitation in the next 30 days; higher than 91% of CVEs (scores of 2026-10-31)
CWE: CWE-119
Published: 2017-02-28
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

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

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