Is CVE-2023-4874 in the CISA KEV catalog?

No. CVE-2023-4874 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-4874?

CVE-2023-4874 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2023-4874?

CVE-2023-4874 has an EPSS score of 0.72% (49th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-4874?

Upgrade mutt on debian 11 to 2.0.5-4.1+deb11u3 or later. Fixes are available for 9 affected products.

CVE & CISA-KEV Catalog

CVE-2023-4874

MEDIUM

4.3

CVSS v3

NVD

Description

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

CWE-475 CWE-476NULL Pointer Dereference

How to fix

Remediation Available

muttDebian

Fixed in:2.0.5-4.1+deb11u3CVE-2023-4874

Fixed in:2.2.9-1+deb12u1CVE-2023-4874

Fixed in:2.2.12-0.1CVE-2023-4874

muttRocky

Fixed in:5:2.0.7-3.el8RHSA-2024:3058

Fixed in:5:2.2.6-2.el9RHSA-2024:2290

muttRed Hat / RHEL

Fixed in:5:2.0.7-3.el8RHSA-2024:3058

Fixed in:5:2.2.6-2.el9RHSA-2024:2290

mutt-debuginfoRed Hat / RHEL

Fixed in:5:2.0.7-3.el8RHSA-2024:3058

Fixed in:5:2.2.6-2.el9RHSA-2024:2290

mutt-debuginfoRocky

Fixed in:5:2.0.7-3.el8RHSA-2024:3058

Fixed in:5:2.2.6-2.el9RHSA-2024:2290

mutt-debugsourceRed Hat / RHEL

Fixed in:5:2.0.7-3.el8RHSA-2024:3058

Fixed in:5:2.2.6-2.el9RHSA-2024:2290

mutt-debugsourceRocky

Fixed in:5:2.0.7-3.el8RHSA-2024:3058

Fixed in:5:2.2.6-2.el9RHSA-2024:2290

muttUbuntu

Fixed in:1.5.24-1ubuntu0.6+esm3USN-6374-1

Fixed in:1.9.4-3ubuntu0.6+esm1USN-6374-1

Fixed in:1.13.2-1ubuntu0.6USN-6374-1

Fixed in:2.1.4-1ubuntu1.2USN-6374-1

Fixed in:2.2.9-1ubuntu0.23.04.1USN-6374-1

Fixed in:2.2.9-1ubuntu0.23.10.1USN-6374-2

mutt-patchedUbuntu

Fixed in:1.5.24-1ubuntu0.6+esm3USN-6374-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Exploit Intelligence

0.72%probability of exploitation in 30 days

49thpercentile

Moderate risk: more likely to be exploited than 49% of all known CVEs.

References

Vendor Advisory2

Other references3

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.