Astra Linux – Vulnerability in Firefox and Thunderbird

When using Alt-Svc, ALPN failed to properly validate certificates when the original server was redirecting to an insecure site. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6...

Astra Linux – Vulnerability in Firefox

Memory safety bugs exist in Firefox 133 and Thunderbird 133. Some of these bugs exhibited signs of memory corruption, and we assume that with sufficient effort, some of these bugs could have been exploited to execute arbitrary code. This vulnerability has been fixed in Firefox 134 and Thunderbird...

UBUNTU-CVE-2025-23109

Long hostnames in URLs could be leveraged to obscure the actual host of the website or spoof the website address This vulnerability affects Firefox for iOS 134...

DEBIAN-CVE-2025-0241

When segmenting specially crafted text, segmentation would corrupt memory leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6...

UBUNTU-CVE-2025-0244

When redirecting to an invalid protocol scheme, an attacker could spoof the address bar. Note: This issue only affected Android operating systems. Other operating systems are unaffected. This vulnerability affects Firefox 134...