Mutt up to 2.2.11 Email null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Mutt up to 2.2.11. Affected is an unknown function of the component Email Handler. This manipulation causes null pointer dereference. The identification of this vulnerability is CVE-2023-4874. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Mutt up to 2.2.11 (Mail Client Software) and classified as problematic. Affected by this vulnerability is an unknown functionality of the component Email Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability.

The weakness was shared 09/09/2023 as 452ee330e094bfc7c9a68555e5152b1826534555. It is possible to read the advisory at gitlab.com. This vulnerability is known as CVE-2023-4874 since 09/09/2023. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 235543 (RockyLinux 9 : mutt (RLSA-2024:2290)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2.2.12 eliminates this vulnerability. Applying the patch 452ee330e094bfc7c9a68555e5152b1826534555 is able to eliminate this problem. The bugfix is ready for download at gitlab.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (235543). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 4.3
CNA Vector (GitLab Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 235543
Nessus Name: RockyLinux 9 : mutt (RLSA-2024:2290)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mutt 2.2.12
Patch: 452ee330e094bfc7c9a68555e5152b1826534555

Timelineinfo

09/09/2023 🔍
09/09/2023 +0 days 🔍
09/09/2023 +0 days 🔍
05/08/2025 +607 days 🔍

Sourcesinfo

Advisory: 452ee330e094bfc7c9a68555e5152b1826534555
Status: Confirmed

CVE: CVE-2023-4874 (🔍)
GCVE (CVE): GCVE-0-2023-4874
GCVE (VulDB): GCVE-100-239359

Entryinfo

Created: 09/09/2023 23:41
Updated: 05/08/2025 08:38
Changes: 09/09/2023 23:41 (51), 10/04/2023 16:48 (12), 08/29/2024 17:41 (16), 04/22/2025 02:51 (3), 05/08/2025 08:38 (2)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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