CVE-2013-1912
Buffer overflow in HAProxy 1.4 through 1.4.22 and 1.5-dev through 1.5-dev17, when HTTP keep-alive...
CVE-2013-1912 is a medium vulnerability (CVSS 5.1) in Haproxy, published April 10, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.57%, the 92nd percentile. Fixed in haproxy 1.4.23-1.
- Severity
- 5.1 MediumCVSS 2.0, NVD
- Exploit chance
- 5.57%EPSS, 92nd percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
1.4.23-1haproxy +8 more
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.
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
haproxyDebian:12 | before 1.4.23-1 | 1.4.23-1 |
haproxyDebian:13 | before 1.4.23-1 | 1.4.23-1 |
haproxyDebian:14 | before 1.4.23-1 | 1.4.23-1 |
haproxyDebian:6.0 From an advisory covering 3 CVEs | before 1.4.8-1+squeeze1, plus listed versions 1.4.8-1 | 1.4.8-1+squeeze1 |
haproxyRed Hat:openshift:1::el6 | before 0:1.4.22-5.el6op | 0:1.4.22-5.el6op |
haproxy-debuginfoRed Hat:openshift:1::el6 | before 0:1.4.22-5.el6op | 0:1.4.22-5.el6op |
haproxyRed Hat:enterprise_linux:6::server | before 0:1.4.22-4.el6_4 | 0:1.4.22-4.el6_4 |
haproxy-debuginfoRed Hat:enterprise_linux:6::server | before 0:1.4.22-4.el6_4 | 0:1.4.22-4.el6_4 |
haproxyopenSUSE:Tumbleweed From an advisory covering 5 CVEs | before 1.7.0-1.1 | 1.7.0-1.1 |
What each source reports
NVD Score used
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.
- Record
CVE-2013-1912- CVSS 2.0
- 5.1 Medium
AV:N/AC:H/Au:N/C:P/I:P/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2013-1912- Updated
- 2026-11-02
EUVDEUVD-2013-1906No score
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.
- Record
EUVD-2013-1906- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xgv2-5whc-jjqvNo score
Buffer overflow in HAProxy 1.4 through 1.4.22 and 1.5-dev through 1.5-dev17, when HTTP keep-alive...
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.
- Record
GHSA-xgv2-5whc-jjqv- Weakness
- CWE-119
- Updated
- 2026-11-02
OSVNo score
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.
- Record
CVE-2013-1912- Updated
- 2026-11-02
OSVDEBIAN-CVE-2013-1912No score
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.
- Record
DEBIAN-CVE-2013-1912- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10114-1No score
haproxy-1.7.0-1.1 on GA media
These are all security issues fixed in the haproxy-1.7.0-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10114-1- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
lists.fedoraproject.org/pipermail/package-announce/2013-April/103794.html
rhn.redhat.com/errata/RHSA-2013-0868.html
secunia.com/advisories/52725
debian.org/security/2013/dsa-2711
Show 21 moreShow less
securityfocus.com/bid/58820
ubuntu.com/usn/USN-1800-1
openwall.com/lists/oss-security/2013/04/03/1
nvd.nist.gov/vuln/detail/CVE-2013-1912
github.com/advisories/GHSA-xgv2-5whc-jjqv
security-tracker.debian.org/tracker/CVE-2013-1912
access.redhat.com/errata/RHSA-2013:0729
bugzilla.redhat.com/show_bug.cgi?id=947581
security.access.redhat.com/data/csaf/v2/advisories/2013/rhsa-2013_0729.json
cve.org/CVERecord?id=CVE-2013-1912
suse.com/security/cve/CVE-2012-2391