CVE-2024-43426

HIGH

Published Nov 7, 2024 Modified Aug 5, 2025 CWE-1287

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.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-1287 CWE-1287

Affected Products

Vendor	Product	Versions
moodle	moodle	4.1.0 — 4.1.12
moodle	moodle	4.2.0 — 4.2.9
moodle	moodle	4.3.0 — 4.3.6
moodle	moodle	4.4.0 — 4.4.2

References

Advisories & Patches

https://moodle.org/mod/forum/discuss.php?d=461194

Other References

https://bugzilla.redhat.com/show_bug.cgi?id=2304254

Frequently Asked Questions

What is CVE-2024-43426? +

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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-43426? +

CVE-2024-43426 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-43426? +

CVE-2024-43426 affects products from moodle, specifically: moodle. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-43426? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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