OneCRL was non-functional in the new Firefox for Android due to a missing service initialization.

published 2020-12-09 5 y ago modified 2026-08-19 2 mo ago also EUVD-2020-19481

cvss: 6.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 46%
public exploits: 0; none known

OneCRL was non-functional in the new Firefox for Android due to a missing service initialization. This could result in a failure to enforce some certificate revocations. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 83.

Patch / fix

fixed in 1 distros 2

mozilla firefox_mobile 83.0

opensuse alpine

firefox-esr openSUSE Tumbleweed 128.5.1-1.1
MozillaFirefox openSUSE Tumbleweed 92.0-1.2

opensuse advisories openSUSE-SU-2024:14572-1 openSUSE-SU-2024:10600-1

firefox Alpine 3.23, Alpine 3.22, Alpine 3.21 +9 more 83.0-r0
librewolf Alpine 3.24, Alpine 3.23, Alpine 3.22 +1 more 83.0-r0

alpine advisories ALPINE-CVE-2020-26957

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Exploit prediction

0.55% chance of exploitation in the next 30 days, higher than 46% 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
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

Mozilla Firefox

Classification

Weakness

CWE-665 Improper Initialization

References

bugzilla.mozilla.org /show_bug.cgi?id=1667179
issue-tracking, permissions-required, vendor-advisory
mozilla.org /security/advisories/mfsa2020-50/
vendor-advisory

Sources

CVE List CVE-2020-26957
NVD CVE-2020-26957

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