CVE-2012-2942
Buffer overflow in the trash buffer in the header capture functionality in HAProxy before 1.4.21, when global.tune.bufsize is set to a value greater than the default and header rewriting is enabled,
02 Description
Buffer overflow in the trash buffer in the header capture functionality in HAProxy before 1.4.21, when global.tune.bufsize is set to a value greater than the default and header rewriting is enabled,
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 5.35% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 92.3% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2012-05-27 20:00Z14 YR AGO
- Last updated
- 2024-08-06 19:50Z2 YR AGO
- Reserved
- 2012-05-27
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
- Data version
- 5.1
- Document digest
- bdf1a0f952ef32fddd21f25a8a8a186f8e52d17f5331601057c7dc9bf2ca5a2a
05 Affected products
06 References
- www.openwall.com[oss-security] 20120528 Duplicate CVE identifiers (CVE-2012-2391 and CVE-2012-2942) assigned to HAProxy issuehttp://www.openwall.com/lists/oss-security/2012/05/28/1
- security.gentoo.orgGLSA-201301-02http://security.gentoo.org/glsa/glsa-201301-02.xml
- www.openwall.com[oss-security] 20120523 Re: CVE request: haproxy trash buffer overflow flawhttp://www.openwall.com/lists/oss-security/2012/05/23/15
- exchange.xforce.ibmcloud.comhaproxy-trash-bo(75777)https://exchange.xforce.ibmcloud.com/vulnerabilities/75777
- www.securityfocus.com53647http://www.securityfocus.com/bid/53647
- haproxy.1wt.euhttp://haproxy.1wt.eu/#news
- www.debian.orgDSA-2711http://www.debian.org/security/2013/dsa-2711
- secunia.com49261http://secunia.com/advisories/49261
- www.ubuntu.comUSN-1800-1http://www.ubuntu.com/usn/USN-1800-1
- haproxy.1wt.euhttp://haproxy.1wt.eu/git?p=haproxy-1.4.git%3Ba=commit%3Bh=30297cb17147a8d339eb160226bcc08c91d9530b
- www.openwall.com[oss-security] 20120523 CVE request: haproxy trash buffer overflow flawhttp://www.openwall.com/lists/oss-security/2012/05/23/12
- haproxy.1wt.euhttp://haproxy.1wt.eu/download/1.4/src/CHANGELOG
07 Fixed in
Debian 12
- haproxy Fixed in 1.4.23-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- haproxy Fixed in 1.4.23-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- haproxy Fixed in 1.4.23-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.