CVE-2013-1912

Severity: medium (CVSS 5.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-04-10 · updated 2026-06-16
Weakness: CWE-119

Description

Buffer overflow in HAProxy 1.4 through 1.4.22 and 1.5-dev through 1.5-dev17, when HTTP keep-alive is enabled, using HTTP keywords in TCP inspection rules, and running with rewrite rules that appends to requests, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via crafted pipelined HTTP requests that prevent request realignment from occurring.

Affected products

HAProxy: 1.4, 1.4.20, 1.4.22, 1.5-dev, 1.5-dev17

References

http://lists.fedoraproject.org/pipermail/package-announce/2013-April/103730.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-April/103770.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-April/103794.html
http://rhn.redhat.com/errata/RHSA-2013-0729.html
http://rhn.redhat.com/errata/RHSA-2013-0868.html
http://secunia.com/advisories/52725
http://www.debian.org/security/2013/dsa-2711
http://www.openwall.com/lists/oss-security/2013/04/03/1
http://www.securityfocus.com/bid/58820
http://www.ubuntu.com/usn/USN-1800-1
http://lists.fedoraproject.org/pipermail/package-announce/2013-April/103730.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-April/103770.html

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