Home/CVE/Null pointer dereference when viewing a specially crafted email in Mutt >1.5.2 <2.2.12
CVE

CVE-2023-4874

Null pointer dereference when viewing a specially crafted email in Mutt >1.5.2 <2.2.12

Null pointer dereference when viewing a specially crafted email in Mutt >1.5.2 <2.2.12.

MEDIUM · CVSS 4.3 EPSS 0.0008
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-475Undefined Behavior for Input to API
CWE-476NULL Pointer Dereference
▤

Affected Products & Versions

2
mutt> 1.5.2 and < 2.2.12
debian linuxall versions
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v3.1 · cve@gitlab.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Sep 2023 · 03:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

8
suse-csafopenSUSE-SU-2024:13222-1
usnUSN-6374-2
suse-csafSUSE-SU-2023:3826-1
suse-csafSUSE-SU-2023:3702-1
usnUSN-6374-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://gitlab.com/muttmua/mutt/-/commit/452ee330e094bfc7c9a68555e5152b1826534555.patchVendor Advisory
https://gitlab.com/muttmua/mutt/-/commit/a4752eb0ae0a521eec02e59e51ae5daedf74fda0.patchVendor Advisory
http://www.openwall.com/lists/oss-security/2023/09/26/6
https://lists.debian.org/debian-lts-announce/2023/09/msg00021.html
https://www.debian.org/security/2023/dsa-5494
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