CVE-2026-8958 vulnerabilities

Vulnerabilities for packages: firefox-esr, firefox...

RHEL 9 : thunderbird (RHSA-2026:26521)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:26521 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: Incorrect boundary conditions in the JavaScript...

RHEL 10 : thunderbird (RHSA-2026:26539)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:26539 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: Incorrect boundary conditions in the JavaScript...

openSUSE 16 Security Update : MozillaFirefox (openSUSE-SU-2026:20789-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20789-1 advisory. This update for MozillaFirefox fixes the following issues - Update to Firefox Extended Support Release 140.11.0 ESR MFSA 2026-48 bsc1265212. MFS...

CVE-2026-8958

creationtimestamp| type| source ---|---|--- 2026-05-19 20:00:00+00:00| seen| https://www.hkcert.org/security-bulletin/mozilla-products-multiple-vulnerabilities20260520 2026-05-20 02:01:25+00:00| seen| https://bsky.app/profile/slackers.it/post/3mmasq5syxh2i 2026-05-20 02:01:32+00:00| seen|...

Linux Distros Unpatched Vulnerability : CVE-2026-8958

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbi...