MEDIUM
dovecot: potential crash when parsing header names that contain NUL characters
Published May 24, 2011
5.0
MEDIUMCVSS 2.0
EPSS 3.25%
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 service (daemon crash or mailbox corruption) via a crafted e-mail message.
Affected products
No data.
Configuration 1
OR
- 1.2.0
- 1.2.1
- 1.2.2
- 1.2.3
- 1.2.4
- 1.2.5
- 1.2.6
- 1.2.7
- 1.2.8
- 1.2.9
- 1.2.10
- 1.2.11
- 1.2.12
- 1.2.13
- 1.2.14
- 1.2.15
- 1.2.16
Configuration 2
OR
- 2.0
- 2.0.0
- 2.0.1
- 2.0.2
- 2.0.3
- 2.0.4
- 2.0.5
- 2.0.6
- 2.0.7
- 2.0.8
- 2.0.9
- 2.0.10
- 2.0.11
- 2.0.12
No data.
Red Hat Enterprise Linux 4
dovecot-0:0.99.11-10.EL4
Fixed · RHSA-2011:1187
Red Hat Enterprise Linux 5
dovecot-0:1.0.7-7.el5_7.1
Fixed · RHSA-2011:1187
Red Hat Enterprise Linux 6
dovecot-1:2.0.9-2.el6_1.1
Fixed · RHSA-2011:1187
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | dovecot-0:0.99.11-10.EL4 | Fixed | RHSA-2011:1187 |
| Red Hat Enterprise Linux 5 | dovecot-0:1.0.7-7.el5_7.1 | Fixed | RHSA-2011:1187 |
| Red Hat Enterprise Linux 6 | dovecot-1:2.0.9-2.el6_1.1 | Fixed | RHSA-2011:1187 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.25% 0.03250
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03250
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.25% (0.03250) | 87.89th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.25% (0.03250) | 86.67th | v5 (v2026.06.15) |
| May 24, 2026 | 4.33% (0.04334) | 89.04th | v4 (v2025.03.14) |
| Mar 30, 2025 | 6.54% (0.06541) | 90.21th | v4 (v2025.03.14) |
| Mar 29, 2025 | 9.54% (0.09541) | 87.98th | v4 (v2025.03.14) |
| Mar 17, 2025 | 6.54% (0.06541) | 90.44th | v4 (v2025.03.14) |
| Dec 12, 2024 | 11.24% (0.11239) | 95.44th | v3 (v2023.03.01) |
| Jul 24, 2024 | 11.24% (0.11239) | 95.24th | v3 (v2023.03.01) |
| Apr 21, 2024 | 8.26% (0.08262) | 94.28th | v3 (v2023.03.01) |
| Mar 7, 2023 | 6.01% (0.06008) | 92.31th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.36% (0.04358) | 88.02th | v2 (v2022.01.01) |
| Feb 13, 2023 | 4.36% (0.04358) | 87.63th | v2 (v2022.01.01) |
| Feb 3, 2023 | 2.69% (0.02686) | 82.44th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.36% (0.04358) | 86.83th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.36% (0.04358) | 70.59th | v2 (v2022.01.01) |
Weaknesses (1)
References (28)
- http://dovecot.org/pipermail/dovecot/2011-May/059085.html mailing-listx_refsource_MLISTPatch
- http://dovecot.org/pipermail/dovecot/2011-May/059086.html mailing-listx_refsource_MLISTPatch
- http://hg.dovecot.org/dovecot-1.1/rev/3698dfe0f21c x_refsource_CONFIRMPatch
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061384.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060815.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060825.html vendor-advisoryx_refsource_FEDORA
- http://openwall.com/lists/oss-security/2011/05/18/4 mailing-listx_refsource_MLISTPatch
- http://openwall.com/lists/oss-security/2011/05/19/3 mailing-listx_refsource_MLISTPatch
- http://openwall.com/lists/oss-security/2011/05/19/6 mailing-listx_refsource_MLISTPatch
- http://osvdb.org/72495 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/44683 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/44712 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/44756 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/44771 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/44827 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2011/dsa-2252 vendor-advisoryx_refsource_DEBIAN
- http://www.dovecot.org/doc/NEWS-1.2 x_refsource_CONFIRM
- http://www.dovecot.org/doc/NEWS-2.0 x_refsource_CONFIRM
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:101 vendor-advisoryx_refsource_MANDRIVA
- http://www.redhat.com/support/errata/RHSA-2011-1187.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/bid/47930 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/USN-1143-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2011-1929 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=706286 x_refsource_CONFIRMPatchIssue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67589 vdb-entryx_refsource_XF
- https://hermes.opensuse.org/messages/8581790 vendor-advisoryx_refsource_SUSE
- https://nvd.nist.gov/vuln/detail/CVE-2011-1929
- https://www.cve.org/CVERecord?id=CVE-2011-1929
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published May 24, 2011
Updated Aug 6, 2024
Reserved May 9, 2011
Link CVE-2011-1929
CISA Vulnrichment
Updated n/a