Documents were incorrectly assuming an ordering of principal objects when ensuring we were loading an appropriately privileged principal.

published 2023-06-19 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-36468

cvss: 6.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 45%
public exploits: 0; none known

Documents were incorrectly assuming an ordering of principal objects when ensuring we were loading an appropriately privileged principal. In certain circumstances it might have been possible to cause a document to be loaded with a higher privileged principal than intended. This vulnerability affects Firefox < 113.

Patch / fix

fixed in 1 distros 2

Mozilla Firefox 113

ubuntu opensuse

firefox Ubuntu 18.04 LTS 113.0+build2-0ubuntu0.18.04.1
firefox Ubuntu 20.04 LTS 113.0+build2-0ubuntu0.20.04.1

ubuntu advisories UBUNTU-CVE-2023-32210

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

firefox-esr openSUSE Tumbleweed 128.5.1-1.1
MozillaFirefox openSUSE Tumbleweed 113.0-1.1

opensuse advisories openSUSE-SU-2024:14572-1 openSUSE-SU-2024:12920-1

Exploit prediction

0.54% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Affected products

Mozilla Firefox

References

mozilla.org /security/advisories/mfsa2023-16/
vendor-advisory
bugzilla.mozilla.org /show_bug.cgi?id=1776755
permissions-required
security.gentoo.org /glsa/202401-10

Sources

CVE List CVE-2023-32210
NVD CVE-2023-32210

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