CVE-2012-0840

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

43.35% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 98.6% 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.

Published

2012-02-10 19:00Z14 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

46c29dd5c09d19f8ce7543b0c67ee3e1b9bef163b70550b6c397ff64de696986

• mail-archives.apache.org[apr-commits] 20120115 svn commit: r1231605 - /apr/apr/trunk/tables/apr_hash.chttp://mail-archives.apache.org/mod_mbox/apr-commits/201201.mbox/%3C20120115003715.071D423888FD%40eris.apache.org%3Emailing-listx_refsource_MLIST
• exchange.xforce.ibmcloud.comapacheapr-hash-dos(73096)https://exchange.xforce.ibmcloud.com/vulnerabilities/73096vdb-entryx_refsource_XF
• openwall.com[oss-security] 20120208 CVE request: apr - Hash DoS vulnerabilityhttp://openwall.com/lists/oss-security/2012/02/08/3mailing-listx_refsource_MLIST
• www.mandriva.comMDVSA-2012:019http://www.mandriva.com/security/advisories?name=MDVSA-2012:019vendor-advisoryx_refsource_MANDRIVA
• secunia.com47862http://secunia.com/advisories/47862third-party-advisoryx_refsource_SECUNIA
• svn.apache.orghttp://svn.apache.org/viewvc?rev=1231605&view=revx_refsource_CONFIRM
• www.mail-archive.com[dev] 20120105 Hash collision vectors in APR?http://www.mail-archive.com/dev%40apr.apache.org/msg24439.htmlmailing-listx_refsource_MLIST
• www.mail-archive.com[dev] 20120113 Re: Hash collision vectors in APR?http://www.mail-archive.com/dev%40apr.apache.org/msg24472.htmlmailing-listx_refsource_MLIST
• openwall.com[oss-security] 20120208 Re: CVE request: apr - Hash DoS vulnerabilityhttp://openwall.com/lists/oss-security/2012/02/09/1mailing-listx_refsource_MLIST
• www.mail-archive.com[dev] 20120114 Re: Hash collision vectors in APR?http://www.mail-archive.com/dev%40apr.apache.org/msg24473.htmlmailing-listx_refsource_MLIST