CVE-2021-38491
published 2021-11-03CVE-2021-38491: Mixed-content checks were unable to analyze opaque origins which led to some mixed content being loaded. This vulnerability affects Firefox < 92.
PriorityP426medium6.5CVSS 3.1
AVNACLPRNUIRSUCNIHAN
EPSS
0.85%
53.7th percentile
Mixed-content checks were unable to analyze opaque origins which led to some mixed content being loaded. This vulnerability affects Firefox < 92.
Affected
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | < firefox 92.0-1 (sid) | firefox 92.0-1 (sid) |
| mozilla | firefox | < 92.0 | 92.0 |
| mozilla | firefox | — | — |
| mozilla | firefox | >= 0 < 92.0+build3-0ubuntu0.18.04.1 | 92.0+build3-0ubuntu0.18.04.1 |
| mozilla | firefox | >= 0 < 92.0+build3-0ubuntu0.20.04.1 | 92.0+build3-0ubuntu0.20.04.1 |
| mozilla | firefox | >= unspecified < 92 | 92 |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
osv6.5MEDIUM
vendor_debian6.5MEDIUM
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Ubuntu
Firefox vulnerabilities
vendor_ubuntu·2021-09-09
CVE-2021-38493 Firefox vulnerabilities
Title: Firefox vulnerabilities
Summary: Firefox could be made to crash or run programs as your login if it
opened a malicious website.
Multiple security issues were discovered in Firefox. If a user were
tricked into opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, bypass mixed
content blocking, or execute arbitrary code.
Instructions: After a standard system update you need to restart Firefox to make
all the necessary changes.
Debian
CVE-2021-38491: firefox - Mixed-content checks were unable to analyze opaque origins which led to some mix...
vendor_debian·2021·CVSS 6.5
CVE-2021-38491 [MEDIUM] CVE-2021-38491: firefox - Mixed-content checks were unable to analyze opaque origins which led to some mix...
Mixed-content checks were unable to analyze opaque origins which led to some mixed content being loaded. This vulnerability affects Firefox < 92.
Scope: local
sid: resolved (fixed in 92.0-1)
Mozilla
Mozilla Foundation Security Advisory 2021-38: CVE-2021-38491
vendor_mozilla·CVSS 6.5
CVE-2021-38491 [MEDIUM] Mozilla Foundation Security Advisory 2021-38: CVE-2021-38491
Mozilla Foundation Security Advisory 2021-38
CVE: CVE-2021-38491
Product: Firefox
Impact: high
Fixed in: Firefox 92
GHSA
GHSA-x4p9-6wvp-vc8f: Mixed-content checks were unable to analyze opaque origins which led to some mixed content being loaded
ghsa_unreviewed·2022-05-24
CVE-2021-38491 [MEDIUM] GHSA-x4p9-6wvp-vc8f: Mixed-content checks were unable to analyze opaque origins which led to some mixed content being loaded
Mixed-content checks were unable to analyze opaque origins which led to some mixed content being loaded. This vulnerability affects Firefox < 92.
OSV
CVE-2021-38491: Mixed-content checks were unable to analyze opaque origins which led to some mixed content being loaded
osv·2021-09-09·CVSS 6.5
CVE-2021-38491 [MEDIUM] CVE-2021-38491: Mixed-content checks were unable to analyze opaque origins which led to some mixed content being loaded
Mixed-content checks were unable to analyze opaque origins which led to some mixed content being loaded. This vulnerability affects Firefox < 92.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://bugzilla.mozilla.org/show_bug.cgi?id=1551886https://security.gentoo.org/glsa/202202-03https://www.mozilla.org/security/advisories/mfsa2021-38/https://bugzilla.mozilla.org/show_bug.cgi?id=1551886https://security.gentoo.org/glsa/202202-03https://www.mozilla.org/security/advisories/mfsa2021-38/
2021-11-03
Published