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Vulnerability Details :

CVE-2026-43864

Summary
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At-04 May, 2026 | 06:10
Updated At-04 May, 2026 | 18:26
Rejected At-
Credits

mutt before 2.3.2 has a show_sig_summary NULL pointer dereference.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:mitre
Assigner Org ID:8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At:04 May, 2026 | 06:10
Updated At:04 May, 2026 | 18:26
Rejected At:
▼CVE Numbering Authority (CNA)

mutt before 2.3.2 has a show_sig_summary NULL pointer dereference.

Affected Products
Vendor
mutt
Product
mutt
Default Status
unaffected
Versions
Affected
  • From 0 before 2.3.2 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-476CWE-476 NULL Pointer Dereference
Type: CWE
CWE ID: CWE-476
Description: CWE-476 NULL Pointer Dereference
Metrics
VersionBase scoreBase severityVector
3.12.5LOW
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
Version: 3.1
Base score: 2.5
Base severity: LOW
Vector:
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/muttmua/mutt/commit/ebfa2969042d89303d15334193fcc32866c8a8df
N/A
Hyperlink: https://github.com/muttmua/mutt/commit/ebfa2969042d89303d15334193fcc32866c8a8df
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@mitre.org
Published At:04 May, 2026 | 07:16
Updated At:05 May, 2026 | 19:44

mutt before 2.3.2 has a show_sig_summary NULL pointer dereference.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.12.5LOW
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
Type: Secondary
Version: 3.1
Base score: 2.5
Base severity: LOW
Vector:
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-476Primarycve@mitre.org
CWE ID: CWE-476
Type: Primary
Source: cve@mitre.org
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/muttmua/mutt/commit/ebfa2969042d89303d15334193fcc32866c8a8dfcve@mitre.org
N/A
Hyperlink: https://github.com/muttmua/mutt/commit/ebfa2969042d89303d15334193fcc32866c8a8df
Source: cve@mitre.org
Resource: N/A

Change History

0
Information is not available yet

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Details not found