What is CVE-2024-25978?

CVE-2024-25978 is a high-severity vulnerability in Moodle, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2024-02-19.

How severe is CVE-2024-25978?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2024-25978 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Moodle

CVE-2024-25978

Insufficient file size checks resulted in a denial of service risk in the file picker's unzip functionality.

Vulnerability class: DoS (Denial of Service)

Published 2024-02-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.009 (59.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Moodle
Fedoraproject Fedora — versions 38

Weakness classification (CWE)

Public proof-of-concept exploits

References

git.moodle.org/gw (Patch)
bugzilla.redhat.com/show_bug.cgi (issue-tracking, Issue Tracking)
lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Mailing List)
moodle.org/mod/forum/discuss.php (Vendor Advisory)

Frequently asked questions

What is CVE-2024-25978?: CVE-2024-25978 is a high-severity vulnerability in Moodle, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2024-02-19.
How severe is CVE-2024-25978?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2024-25978 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.