CVE-2025-6428
MozillaFirefoxVulnerabilityCVSS 4.3PatchedPoC
A public proof-of-concept or exploit code is available, raising the risk of active exploitation. A fixed version is available (see the table below).
Recommended action: Update to the fixed version listed for your distribution using the native package manager.
Severity metrics
CVSS 3.1 : 4.3 MEDIUM
Attack vectorNetwork (remote)
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeUnchanged
Confidentiality impactNone
Integrity impactLow
Availability impactNone
Vector: AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Affected & fixed versions by distribution
Versions are the native distribution strings (backport-aware): RHEL/Debian/SUSE backport fixes, so compare with the distro version comparator (dpkg / rpm / vercmp), not the upstream version.
| Distribution | Package | Affected | Fixed version | Status |
|---|---|---|---|---|
| SUSE:Linux Enterprise Server 12 SP5-LTSS | MozillaFirefox | - | 140.0-112.270.2 | fixed |
| SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5 | MozillaFirefox | - | 140.0-112.270.2 | fixed |
| SUSE:Linux Enterprise Module for Desktop Applications 15 SP6 | MozillaFirefox | - | 140.1.0-150200.152.193.1 | fixed |
| SUSE:Linux Enterprise Module for Desktop Applications 15 SP7 | MozillaFirefox | - | 140.1.0-150200.152.193.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP3-LTSS | MozillaFirefox | - | 140.1.0-150200.152.193.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | MozillaFirefox | - | 140.1.0-150200.152.193.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS | MozillaFirefox | - | 140.1.0-150200.152.193.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | MozillaFirefox | - | 140.1.0-150200.152.193.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS | MozillaFirefox | - | 140.1.0-150200.152.193.1 | fixed |
| SUSE:Linux Enterprise Server 15 SP3-LTSS | MozillaFirefox | - | 140.1.0-150200.152.193.1 | fixed |
| SUSE:Linux Enterprise Server 15 SP4-LTSS | MozillaFirefox | - | 140.1.0-150200.152.193.1 | fixed |
| SUSE:Linux Enterprise Server 15 SP5-LTSS | MozillaFirefox | - | 140.1.0-150200.152.193.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 15 SP3 | MozillaFirefox | - | 140.1.0-150200.152.193.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 15 SP4 | MozillaFirefox | - | 140.1.0-150200.152.193.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 15 SP5 | MozillaFirefox | - | 140.1.0-150200.152.193.1 | fixed |
| SUSE:Enterprise Storage 7.1 | MozillaFirefox | - | 140.1.0-150200.152.193.1 | fixed |
| openSUSE:Leap 15.6 | MozillaFirefox | - | 140.1.0-150200.152.193.1 | fixed |
| openSUSE:Tumbleweed | MozillaFirefox | - | 140.0.2-1.1 | fixed |
| openSUSE:Tumbleweed | firefox-esr | - | 140.1.0-1.1 | fixed |