VDB
CVE-2026-12299
CVE-2026-12299
PUBLISHED
CVSS 9.300000190734863 CRITICAL
Firefox ist ein Open Source Web Browser. Firefox ist ein Open Source Web Browser. ESR ist die Variante mit verlängertem Support. Thunderbird ist ein Open Source E-Mail Client.
EPSS 0.31% · 22.7th 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
0.31%
22.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| SUSE | SUSE openSUSE | |
| Mozilla | Mozilla Firefox <152 | |
| Amazon | Amazon Linux 2 | |
| Red Hat | Red Hat Enterprise Linux 8 | |
| Mozilla | Mozilla Firefox ESR <115.37 | |
| SUSE | SUSE Linux | |
| Oracle | Oracle Linux | |
| IGEL | IGEL OS | |
| Mozilla | Mozilla Firefox ESR <140.12 | |
| Mozilla | Mozilla Thunderbird <140.12 | |
| Debian | Debian Linux | |
| Ubuntu | Ubuntu Linux | |
| RESF | RESF Rocky Linux | |
| Red Hat | Red Hat Enterprise Linux | |
| Mozilla | Mozilla Thunderbird <152 |
Timeline
- Jun 16, 2026 CVE Published
- Jun 17, 2026 EPSS Score
- Jun 17, 2026 Coalition ESS Score
- Jun 18, 2026 Security Advisory
- Jun 22, 2026 Distribution Patch
- Jun 22, 2026 Security Advisory
- Jun 22, 2026 Distribution Patch
- Jun 22, 2026 Security Advisory
- Jun 24, 2026 Distribution Patch
- Jun 25, 2026 Distribution Patch
- Jun 25, 2026 Security Advisory
- Jun 28, 2026 Distribution Patch
References
- https://security-tracker.debian.org/tracker/DSA-6350-1 advisory
- https://lists.debian.org/debian-lts-announce/2026/06/msg00025.html advisory
- https://security-tracker.debian.org/tracker/DSA-6351-1 advisory
- https://lists.debian.org/debian-lts-announce/2026/06/msg00024.html advisory
- https://access.redhat.com/errata/RHSA-2026:27734 advisory
- https://access.redhat.com/errata/RHSA-2026:27733 advisory
- https://access.redhat.com/errata/RHSA-2026:27717 advisory
- https://access.redhat.com/errata/RHSA-2026:29940 advisory
- https://access.redhat.com/errata/RHSA-2026:30846 advisory
- https://ubuntu.com/security/notices/USN-8481-1 advisory
- https://access.redhat.com/errata/RHSA-2026:33445 advisory
- https://access.redhat.com/errata/RHSA-2026:36103 advisory
- https://access.redhat.com/errata/RHSA-2026:36100 advisory
- https://access.redhat.com/errata/RHSA-2026:36101 advisory
- https://access.redhat.com/errata/RHSA-2026:36102 advisory
- https://access.redhat.com/errata/RHSA-2026:37210 advisory
- https://access.redhat.com/errata/RHSA-2026:37391 advisory
- https://access.redhat.com/errata/RHSA-2026:38506 advisory
- https://access.redhat.com/errata/RHSA-2026:38751 advisory
- https://access.redhat.com/errata/RHSA-2026:39011 advisory
…and 34 more