CVE-2012-6687

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 6.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-02-19 · updated 2026-06-16
Weakness: CWE-20

Description

FastCGI (aka fcgi and libfcgi) 2.4.0 allows remote attackers to cause a denial of service (segmentation fault and crash) via a large number of connections.

Affected products

FastCGI fcgi: 2.4.0

References

http://advisories.mageia.org/MGASA-2015-0184.html
http://www.openwall.com/lists/oss-security/2015/02/06/4
http://www.openwall.com/lists/oss-security/2015/02/07/4
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=681591
https://bugs.launchpad.net/ubuntu/+source/libfcgi/+bug/933417
https://bugzilla.redhat.com/show_bug.cgi?id=1189958
https://exchange.xforce.ibmcloud.com/vulnerabilities/100696
http://advisories.mageia.org/MGASA-2015-0184.html
http://www.openwall.com/lists/oss-security/2015/02/06/4
http://www.openwall.com/lists/oss-security/2015/02/07/4
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=681591
https://bugs.launchpad.net/ubuntu/+source/libfcgi/+bug/933417

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