Is CVE-2024-43426 in the CISA KEV catalog?

No. CVE-2024-43426 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-43426?

CVE-2024-43426 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2024-43426?

CVE-2024-43426 has an EPSS score of 0.60% (44th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-43426?

Upgrade moodle to 4.4.2 or later.

CVE & CISA-KEV Catalog

CVE-2024-43426

HIGH

7.5

CVSS v3

NVD

Description

A flaw was found in pdfTeX. Insufficient sanitizing in the TeX notation filter resulted in an arbitrary file read risk on sites where pdfTeX is available, such as those with TeX Live installed.

CWE-1287Improper Validation of Specified Type of Input

How to fix

Remediation Available

moodleNVD

Affected:>= 4.4.0, < 4.4.2Fixed in:4.4.2CVE-2024-43426derived from NVD

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 InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.60%probability of exploitation in 30 days

44thpercentile

Moderate risk: more likely to be exploited than 44% of all known CVEs.

References

Vendor Advisory1

moodle.org

Other references1

bugzilla.redhat.com

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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 2025-08-05.