CVE-2014-8240

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-10-16 · updated 2026-06-17
Weakness: CWE-119

Description

Integer overflow in TigerVNC allows remote VNC servers to cause a denial of service (crash) and possibly execute arbitrary code via vectors related to screen size handling, which triggers a heap-based buffer overflow, a similar issue to CVE-2014-6051.

Affected products

Kaspersky TigerVNC: 0.0.90, 0.0.91, 1.0.0, 1.0.1, 1.1.0

References

http://seclists.org/oss-sec/2014/q4/278
http://seclists.org/oss-sec/2014/q4/300
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://www.securityfocus.com/bid/70391
https://bugzilla.redhat.com/show_bug.cgi?id=1151307
https://exchange.xforce.ibmcloud.com/vulnerabilities/96947
https://security.gentoo.org/glsa/201612-36
http://seclists.org/oss-sec/2014/q4/278
http://seclists.org/oss-sec/2014/q4/300
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html

Get alerted when CVE-2014-8240 or the next vulnerability affects your stack