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 is enabled, using HTTP keywords in TCP…
- 5.1MediumCVSS base score
- 5.6%Exploitation in 30 daysEPSS · top 7.0% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By redhat
- 50 days later
· 50 days later
Published
- 11 years later
· 11 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.1 | AV:N/AC:H/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 5.6% · top 7.0% of all CVEs (11 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.1.
Affected products
n/a
- affected n/a
References
References10
- FEDORA-2013-6253 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- RHSA-2013:0868 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 52725 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- FEDORA-2013-4807 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- DSA-2711 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- FEDORA-2013-4827 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 58820 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- USN-1800-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- [oss-security] 20130403 CVE-2013-1912 : haproxy may crash on TCP content inspection rules (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2013:0729 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2013-1906 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2013-1912)Record last updated .