OPENSUSE-SU-2021:3745-1: MozillaFirefox&distro=openSUSE Leap 15.3 openSUSE

CVSS: UnknownPublished
Published 19-11-2021Last modified 04-02-2026

Vulnerability summary

OPENSUSE-SU-2021:3745-1 is a vulnerability in MozillaFirefox&distro=openSUSE Leap 15.3 openSUSE with no CVSS score yet.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 8 · Downstream 0 · Related 8

Timeline

  1. 19-11-2021
    PublishedVulnerability first disclosed.
  2. 04-02-2026
    Last modifiedVulnerability information updated.

Description

Security update for MozillaFirefox This update for MozillaFirefox fixes the following issues: MozillaFirefox was updated to Extended Support Release 91.3.0 ESR * Fixed: Various stability, functionality, and security fixes MFSA 2021-49 (bsc#1192250) * CVE-2021-38503: iframe sandbox rules did not apply to XSLT stylesheets * CVE-2021-38504: Use-after-free in file picker dialog * CVE-2021-38505: Windows 10 Cloud Clipboard may have recorded sensitive user data * CVE-2021-38506: Firefox could be coaxed into going into fullscreen mode without notification or warning * CVE-2021-38507: Opportunistic Encryption in HTTP2 could be used to bypass the Same-Origin-Policy on services hosted on other ports * CVE-2021-38508: Permission Prompt could be overlaid, resulting in user confusion and potential spoofing * CVE-2021-38509: Javascript alert box could have been spoofed onto an arbitrary domain * CVE-2021-38510: Download Protections were bypassed by .inetloc files on Mac OS * MOZ-2021-0008: Use-after-free in HTTP2 Session object * MOZ-2021-0007: Memory safety bugs fixed in Firefox 94 and Firefox ESR 91.3

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Opensuse1 product
  • MozillaFirefox&distro=openSUSE Leap 15.3< 91.3.0-152.6.1

1 vendor · 1 product

References

10 links