VDB
CVE-2026-16393
CVE-2026-16393
PUBLISHED
CVSS 9.300000190734863 CRITICAL
Firefox ist ein Open Source Web Browser. ESR ist die Variante mit verlängertem Support.
EPSS 0.30% · 21.4th percentile
Risk Scores
CVSS 4.0
9.300000190734863
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS Score
0.30%
21.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| SUSE | SUSE openSUSE | |
| Mozilla | Mozilla Thunderbird <153 | |
| Mozilla | Mozilla Firefox ESR <140.13 | |
| Oracle | Oracle Linux | |
| Mozilla | Mozilla Firefox ESR <115.38 | |
| Mozilla | Mozilla Firefox <153 | |
| Mozilla | Mozilla Thunderbird <140.13 | |
| Debian | Debian Linux | |
| IGEL | IGEL OS | |
| Red Hat | Red Hat Enterprise Linux | |
| RESF | RESF Rocky Linux | |
| SUSE | SUSE Linux |
Timeline
- Jul 21, 2026 CVE Published
- Jul 22, 2026 Coalition ESS Score
- Jul 24, 2026 CVE Updated
- Aug 7, 2026 EPSS Score
- Aug 12, 2026 Distribution Patch
- Aug 12, 2026 Distribution Patch
- Aug 12, 2026 Distribution Patch
- Aug 12, 2026 Distribution Patch
- Aug 12, 2026 Distribution Patch
- Aug 12, 2026 Distribution Patch
- Aug 12, 2026 Distribution Patch
- Aug 12, 2026 Distribution Patch
References
- https://security-tracker.debian.org/tracker/DSA-6394-1 advisory
- https://lists.debian.org/debian-lts-announce/2026/07/msg00037.html advisory
- https://access.redhat.com/errata/RHSA-2026:47105 advisory
- https://access.redhat.com/errata/RHSA-2026:47101 advisory
- https://security-tracker.debian.org/tracker/DSA-6403-1 advisory
- https://access.redhat.com/errata/RHSA-2026:49621 advisory
- https://access.redhat.com/errata/RHSA-2026:47104 advisory
- https://access.redhat.com/errata/RHSA-2026:49921 advisory
- https://access.redhat.com/errata/RHSA-2026:49922 advisory
- https://security-tracker.debian.org/tracker/DSA-6418-1 advisory
- https://lists.debian.org/debian-lts-announce/2026/08/msg00017.html advisory
- https://lists.debian.org/debian-lts-announce/2026/08/msg00019.html advisory
- https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2458.json advisory
- https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2458 advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2026-68/ advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2026-69/ advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2026-70/ advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2026-71/ advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2026-72/ advisory
- https://kb.igel.com/en/security-safety/current/isn-2026-30-critical-firefox-esr-vulnerabilities advisory
…and 18 more