CVE-2011-1929
lib-mail/message-header-parser.c in Dovecot 1.2.x before 1.2.17 and 2.0.x before 2.0.13 does not properly handle '\0' characters in header names, which allows remote attackers to cause a denial of
02 Description
lib-mail/message-header-parser.c in Dovecot 1.2.x before 1.2.17 and 2.0.x before 2.0.13 does not properly handle '\0' characters in header names, which allows remote attackers to cause a denial of
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
- 3.25% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 88.2% 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
- 2011-05-24 23:00Z15 YR AGO
- Last updated
- 2024-08-06 22:46Z2 YR AGO
- Reserved
- 2011-05-09
- 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
- d42286be6ad21a0962cf0e313dfe39b89ce92addb4f65696e85a033389155460
05 Affected products
06 References
- lists.fedoraproject.orgFEDORA-2011-7612http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061384.html
- hg.dovecot.orghttp://hg.dovecot.org/dovecot-1.1/rev/3698dfe0f21c
- secunia.com44771http://secunia.com/advisories/44771
- dovecot.org[dovecot] 20110511 v1.2.17 releasedhttp://dovecot.org/pipermail/dovecot/2011-May/059086.html
- www.debian.orgDSA-2252http://www.debian.org/security/2011/dsa-2252
- www.mandriva.comMDVSA-2011:101http://www.mandriva.com/security/advisories?name=MDVSA-2011:101
- www.dovecot.orghttp://www.dovecot.org/doc/NEWS-2.0
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=706286
- dovecot.org[dovecot] 20110511 v2.0.13 releasedhttp://dovecot.org/pipermail/dovecot/2011-May/059085.html
- www.redhat.comRHSA-2011:1187http://www.redhat.com/support/errata/RHSA-2011-1187.html
- lists.fedoraproject.orgFEDORA-2011-7268http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060825.html
- osvdb.org72495http://osvdb.org/72495
- exchange.xforce.ibmcloud.comdovecot-header-name-dos(67589)https://exchange.xforce.ibmcloud.com/vulnerabilities/67589
- hermes.opensuse.orgopenSUSE-SU-2011:0540https://hermes.opensuse.org/messages/8581790
- www.securityfocus.com47930http://www.securityfocus.com/bid/47930
- openwall.com[oss-security] 20110519 Re: Dovecot releaseshttp://openwall.com/lists/oss-security/2011/05/19/6
- secunia.com44756http://secunia.com/advisories/44756
- secunia.com44827http://secunia.com/advisories/44827
- lists.fedoraproject.orgFEDORA-2011-7258http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060815.html
- secunia.com44683http://secunia.com/advisories/44683
- secunia.com44712http://secunia.com/advisories/44712
- www.ubuntu.comUSN-1143-1http://www.ubuntu.com/usn/USN-1143-1
- openwall.com[oss-security] 20110519 Re: Dovecot releaseshttp://openwall.com/lists/oss-security/2011/05/19/3
- www.dovecot.orghttp://www.dovecot.org/doc/NEWS-1.2
- openwall.com[oss-security] 20110518 Dovecot releaseshttp://openwall.com/lists/oss-security/2011/05/18/4
07 Fixed in
Debian 12
- dovecot Fixed in 1:2.0.13-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- dovecot Fixed in 1:2.0.13-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- dovecot Fixed in 1:2.0.13-1
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.