CVE-2012-4507
The strchr function in procmime.c in Claws Mail (aka claws-mail) 3.8.1 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted email.
02 Description
The strchr function in procmime.c in Claws Mail (aka claws-mail) 3.8.1 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted email.
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
- 2.77% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 86.0% 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
- 2012-10-22 23:00Z14 YR AGO
- Last updated
- 2024-08-06 20:35Z2 YR AGO
- Reserved
- 2012-08-21
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- b4cb42c9ef4bd57c1de9c1effc3ad920796fadae178574ae24ea6540fd50f130
05 Affected products
06 References
- www.thewildbeast.co.ukhttp://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=2743
- www.openwall.com[oss-security] 20121009 Claws-mail security issue in message processinghttp://www.openwall.com/lists/oss-security/2012/10/09/1
- lists.opensuse.orgopenSUSE-SU-2012:1374http://lists.opensuse.org/opensuse-updates/2012-10/msg00064.html
- www.openwall.com[oss-security] 20121009 Re: CVE Request -- claws-mail -- NULL pointer derefence while processing email content.http://www.openwall.com/lists/oss-security/2012/10/10/3
- www.openwall.com[oss-security] 20121009 CVE Request -- claws-mail -- NULL pointer derefence while processing email content.http://www.openwall.com/lists/oss-security/2012/10/09/3
- www.securityfocus.com55837http://www.securityfocus.com/bid/55837
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=862578
07 Fixed in
Debian 12
- claws-mail Fixed in 3.8.1-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- claws-mail Fixed in 3.8.1-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- claws-mail Fixed in 3.8.1-2
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.