mutt: incorrect use of mutt_substrdup() in write_one_header()
Published Dec 2, 2014
5.0
MEDIUMCVSS 2.0
EPSS 9.69%
Description
The write_one_header function in mutt 1.5.23 does not properly handle newline characters at the beginning of a header, which allows remote attackers to cause a denial of service (crash) via a header with an empty body, which triggers a heap-based buffer overflow in the mutt_substrdup function.
Affected products
No data.
Configuration 1
- 12
- 12
Configuration 3
- 7.0
No data.
Red Hat Enterprise Linux 5
mutt
Not affected
Red Hat Enterprise Linux 6
mutt
Will not fix
Red Hat Enterprise Linux 7
mutt
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | mutt | Not affected | n/a |
| Red Hat Enterprise Linux 6 | mutt | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | mutt | Will not fix | n/a |
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.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
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 (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 9.69% (0.09694) | 95.37th | v5 (v2026.06.15) |
| Jun 15, 2026 | 9.69% (0.09694) | 94.88th | v5 (v2026.06.15) |
| Feb 28, 2026 | 3.52% (0.03515) | 87.40th | v4 (v2025.03.14) |
| Mar 30, 2025 | 1.99% (0.01993) | 82.02th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.58% (0.05577) | 83.43th | v4 (v2025.03.14) |
| Mar 28, 2025 | 1.99% (0.01993) | 82.03th | v4 (v2025.03.14) |
| Mar 27, 2025 | 5.58% (0.05577) | 88.91th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.99% (0.01993) | 82.43th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.45% (0.01452) | 87.21th | v3 (v2023.03.01) |
| Jul 14, 2024 | 1.45% (0.01452) | 86.80th | v3 (v2023.03.01) |
| May 28, 2024 | 1.40% (0.01396) | 86.39th | v3 (v2023.03.01) |
| Sep 22, 2023 | 1.54% (0.01541) | 85.57th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.19% (0.01187) | 82.89th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.41% (0.03407) | 84.65th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.41% (0.03407) | 83.10th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.41% (0.03407) | 66.20th | v2 (v2022.01.01) |
References (16)
- http://advisories.mageia.org/MGASA-2014-0509.html x_refsource_CONFIRMThird Party Advisory
- http://dev.mutt.org/trac/ticket/3716 x_refsource_CONFIRMIssue TrackingVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00002.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://www.debian.org/security/2014/dsa-3083 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2014:245 vendor-advisoryx_refsource_MANDRIVABroken Link
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:078 vendor-advisoryx_refsource_MANDRIVABroken Link
- http://www.openwall.com/lists/oss-security/2014/11/27/5 mailing-listx_refsource_MLISTExploitMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2014/11/27/9 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/71334 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1031266 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2014-9116 Vendor Advisory
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=771125 x_refsource_CONFIRMExploitIssue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=1168463 x_refsource_CONFIRMExploitIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2014-9116
- https://security.gentoo.org/glsa/201701-04 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2014-9116
Change history (0)
No recorded changes yet.