CVE-2012-0839
OCaml 3.12.1 and earlier computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU
02 Description
OCaml 3.12.1 and earlier computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU
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
- 2.65% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 85.5% 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
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
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
- 2012-02-08 20:00Z14 YR AGO
- Last updated
- 2024-08-06 18:38Z2 YR AGO
- Reserved
- 2012-01-19
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-20Improper Input ValidationClass
- Data version
- 5.1
- Document digest
- 473a8b697eb819c49ebb3a84fba381824ed26d43e047649eb5e02c6273fb202e
05 Affected products
06 References
- www.nruns.comhttp://www.nruns.com/_downloads/advisory28122011.pdf
- www.mail-archive.com[caml-list] 20111230 Hashtbl and securityhttp://www.mail-archive.com/caml-list%40inria.fr/msg01477.html
- secunia.com47853http://secunia.com/advisories/47853
- www.mail-archive.com[caml-list] 20111230 Re: Hashtbl and securityhttp://www.mail-archive.com/caml-list%40inria.fr/msg01478.html
- openwall.com[oss-security] 20120206 Re: CVE request: Hash DoS vulnerability (ocert-2011-003)http://openwall.com/lists/oss-security/2012/02/07/2
- openwall.com[oss-security] 20120206 CVE request: Hash DoS vulnerability (ocert-2011-003)http://openwall.com/lists/oss-security/2012/02/07/1
- www.ocert.orghttp://www.ocert.org/advisories/ocert-2011-003.html
07 Fixed in
Debian 12
- ocaml Fixed in 4.00.0~beta2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- ocaml Fixed in 4.00.0~beta2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- ocaml Fixed in 4.00.0~beta2-1
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.