Moodle Private files uploaded via incoming mail processing could bypass quota restrictions

published 2019-06-26 7 y ago modified 2026-06-17 4 mo ago also GHSA-j8wr-7xxj-c2fr , EUVD-2022-4318

cvss: 4.2; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.1%; EPSS 1.1% chance of exploitation in 30 days, percentile 64%
public exploits: 0; none known

A flaw was found in Moodle before 3.7, 3.6.4, 3.5.6, 3.4.9 and 3.1.18. The size of users' private file uploads via email were not correctly checked, so their quota allowance could be exceeded.

Patch / fix

fixed in 1 links 1

packagist moodle/moodle 3.1.18, 3.4.9, 3.5.6, 3.6.4

moodle.org/mod/forum/discuss.php?d=386524 advisory

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-10134 updated 2025-11-21 cvss 4.2

moodle: Private files uploaded via incoming mail processing could bypass quota restrictions

Red Hat All currently supported Red Hat products
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.05% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	4.2	CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L
NVD	3.1	3.7	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub	3.0	4.2	CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L

Affected packages

ecosystem	package	affected	fixed in
packagist	moodle/moodle	>=3.6, <3.6.4 >=3.5, <3.5.6 >=3.4, <3.4.9 >=3.1, <3.1.18	3.6.4 3.5.6 3.4.9 3.1.18

Affected products

Moodle moodle

Classification

Weakness

CWE-20 Improper Input Validation

References

moodle.org /mod/forum/discuss.php?d=386524
web, patch, vendor-advisory
bugzilla.redhat.com /show_bug.cgi?id=CVE-2019-10134
web, issue-tracking, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2019-10134
advisory
github.com /moodle/moodle
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary