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Vulnerability record · CVE-2012-4507 · published 22 October 2012

CVE-2012-4507: Claws-mail vulnerability

Claws Mail · Claws Mail

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.

5.0 CVSS 2.0 Medium EPSS 2.8% · top 13.9%
5.0CVSS 2.0 base score
2.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References
16 Jun 2026Last modified by NVD

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.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-updates/2012-10/msg00064.html
http://www.openwall.com/lists/oss-security/2012/10/09/1 Patch
http://www.openwall.com/lists/oss-security/2012/10/09/3
http://www.openwall.com/lists/oss-security/2012/10/10/3
http://www.securityfocus.com/bid/55837
http://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=2743 Patch
https://bugzilla.redhat.com/show_bug.cgi?id=862578
http://lists.opensuse.org/opensuse-updates/2012-10/msg00064.html
http://www.openwall.com/lists/oss-security/2012/10/09/1 Patch
http://www.openwall.com/lists/oss-security/2012/10/09/3
http://www.openwall.com/lists/oss-security/2012/10/10/3
http://www.securityfocus.com/bid/55837
http://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=2743 Patch
https://bugzilla.redhat.com/show_bug.cgi?id=862578

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2020-15917Claws-mail vulnerabilitycommon/session.c in Claws Mail before 3.17.6 has a protocol violation because suffix data after STARTTLS is mishandled.EPSS 2.6%7.5CVE-2020-16094Claws-mail vulnerabilityIn imap_scan_tree_recursive in Claws Mail through 3.17.6, a malicious IMAP server can trigger stack consumption because of unlimited recursion into s…EPSS 1.8%7.3CVE-2015-8708Claws-mail memory buffer overflow vulnerabilityStack-based buffer overflow in the conv_euctojis function in codeconv.c in Claws Mail 3.13.1 allows remote attackers to have unspecified impact via a…EPSS 1.5%7.3CVE-2015-8614Claws-mail memory buffer overflow vulnerabilityMultiple stack-based buffer overflows in the (1) conv_jistoeuc, (2) conv_euctojis, and (3) conv_sjistoeuc functions in codeconv.c in Claws Mail befor…EPSS 2.6%6.8CVE-2014-2576Claws-mail vulnerabilityplugins/rssyl/feed.c in Claws Mail before 3.10.0 disables the CURLOPT_SSL_VERIFYHOST check for CN or SAN host name fields, which makes it easier for …EPSS 2.0%6.1CVE-2021-37746Claws-mail open redirect vulnerabilitytextview_uri_security_check in textview.c in Claws Mail before 3.18.0, and Sylpheed through 3.7.0, does not have sufficient link checks before accept…EPSS 1.2%

Source: NIST National Vulnerability Database (record CVE-2012-4507), CISA KEV, FIRST EPSS (scores of 2026-10-17). This page is refreshed as NVD updates the record.