https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-03T21:59:22.225363+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/alsa-2021:4123 ALSA-2021:4123 — Important: firefox security update 2026-10-03T21:59:22.704971+00:00

Affected: AlmaLinux:8: firefox

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

This update upgrades Firefox to version 91.3.0 ESR.

Security Fix(es):

* Mozilla: Use-after-free in HTTP2 Session object

* Mozilla: Memory safety bugs fixed in Firefox 94 and Firefox ESR 91.3

* Mozilla: iframe sandbox rules did not apply to XSLT stylesheets (CVE-2021-38503)

* Mozilla: Use-after-free in file picker dialog (CVE-2021-38504)

* Mozilla: Firefox could be coaxed into going into fullscreen mode without notification or warning (CVE-2021-38506)

* Mozilla: Opportunistic Encryption in HTTP2 could be used to bypass the Same-Origin-Policy on services hosted on other ports (CVE-2021-38507)

* Mozilla: Permission Prompt could be overlaid, resulting in user confusion and potential spoofing (CVE-2021-38508)

* Mozilla: Javascript alert box could have been spoofed onto an arbitrary domain (CVE-2021-38509)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

 https://cve.radiocsirt.org/vuln/bdu:2021-05703 bdu:2021-05703 2026-10-03T21:59:22.705064+00:00 bdu:2021-05703 https://cve.radiocsirt.org/vuln/certfr-2021-avi-843 certfr-2021-avi-843 — De multiples vulnérabilités ont été découvertes dans Mozilla Firefox. Certaines d'entre elles permettent à un attaquant… 2026-10-03T21:59:22.705083+00:00 certfr-2021-avi-843 https://cve.radiocsirt.org/vuln/cnvd-2021-101166 cnvd-2021-101166 2026-10-03T21:59:22.705100+00:00 cnvd-2021-101166 https://cve.radiocsirt.org/vuln/euvd-2026-30349 EUVD-2026-30349 2026-10-03T21:59:22.705112+00:00 EUVD-2026-30349 https://cve.radiocsirt.org/vuln/fkie_cve-2021-38508 fkie_cve-2021-38508 2026-10-03T21:59:22.705123+00:00

By displaying a form validity message in the correct location at the same time as a permission prompt (such as for geolocation), the validity message could have obscured the prompt, resulting in the user potentially being tricked into granting the permission. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

 https://cve.radiocsirt.org/vuln/ghsa-9mfh-2h7f-xf6h GHSA-9mfh-2h7f-xf6h 2026-10-03T21:59:22.705147+00:00

By displaying a form validity message in the correct location at the same time as a permission prompt (such as for geolocation), the validity message could have obscured the prompt, resulting in the user potentially being tricked into granting the permission. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

 https://cve.radiocsirt.org/vuln/gsd-2021-38508 gsd-2021-38508 2026-10-03T21:59:22.705163+00:00 gsd-2021-38508 https://cve.radiocsirt.org/vuln/oesa-2023-1673 OESA-2023-1673 — firefox security update 2026-10-03T21:59:22.705173+00:00

Affected: openEuler:22.03-LTS: firefox

Mozilla Firefox is a standalone web browser, designed for standards compliance and performance. Its functionality can be enhanced via a plethora of extensions. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. Security Fix(es): Mozilla developers reported memory safety bugs present in Firefox for Android 79. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox &lt; 80, Firefox ESR &lt; 78.2, Thunderbird &lt; 78.2, and Firefox for Android &lt; 80.(CVE-2020-15670) Mozilla developers reported memory safety bugs present in Firefox 80 and Firefox ESR 78.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox &lt; 81, Thunderbird &lt; 78.3, and Firefox ESR &lt; 78.3.(CVE-2020-15673) Mozilla developers reported memory safety bugs present in Firefox 80. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox &lt; 81.(CVE-2020-15674) When processing surfaces, the lifetime may outlive a persistent buffer leading to memory corruption and a potentially exploitable crash. This vulnerability affects F…

 https://cve.radiocsirt.org/vuln/opensuse-su-2021:1635-1 openSUSE-SU-2021:1635-1 — Security update for MozillaThunderbird 2026-10-03T21:59:22.705595+00:00

Security update for MozillaThunderbird

 https://cve.radiocsirt.org/vuln/rhsa-2021:4132 RHSA-2021:4132 — Red Hat Security Advisory: thunderbird security update 2026-10-03T21:59:22.705631+00:00

Mozilla: iframe sandbox rules did not apply to XSLT stylesheets Mozilla: Use-after-free in file picker dialog Mozilla: Firefox could be coaxed into going into fullscreen mode without notification or warning Mozilla: Opportunistic Encryption in HTTP2 could be used to bypass the Same-Origin-Policy on services hosted on other ports Mozilla: Permission Prompt could be overlaid, resulting in user confusion and potential spoofing Mozilla: Javascript alert box could have been spoofed onto an arbitrary domain thunderbird: Memory corruption when processing S/MIME messages Mozilla: Memory safety bugs fixed in Firefox 94 and Firefox ESR 91.3 Mozilla: Use-after-free in HTTP2 Session object

 https://cve.radiocsirt.org/vuln/suse-su-2021:3651-1 SUSE-SU-2021:3651-1 — Security update for MozillaFirefox 2026-10-03T21:59:22.705658+00:00

Security update for MozillaFirefox

 https://cve.radiocsirt.org/vuln/ubuntu-cve-2021-38508 UBUNTU-CVE-2021-38508 2026-10-03T21:59:22.705677+00:00

Affected: Ubuntu:18.04:LTS: firefox, Ubuntu:18.04:LTS: thunderbird, Ubuntu:18.04:LTS: mozjs52, Ubuntu:18.04:LTS: mozjs38, Ubuntu:20.04:LTS: firefox, Ubuntu:20.04:LTS: thunderbird, Ubuntu:20.04:LTS: mozjs68, Ubuntu:20.04:LTS: mozjs52, Ubuntu:22.04:LTS: firefox, Ubuntu:22.04:LTS: mozjs78 and 1 more

By displaying a form validity message in the correct location at the same time as a permission prompt (such as for geolocation), the validity message could have obscured the prompt, resulting in the user potentially being tricked into granting the permission. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

 https://cve.radiocsirt.org/vuln/wid-sec-w-2023-0839 WID-SEC-W-2023-0839 — Xerox FreeFlow Print Server: Mehrere Schwachstellen 2026-10-03T21:59:22.705713+00:00

Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Xerox FreeFlow Print Server ausnutzen, um beliebigen Programmcode auszuführen, einen Cross-Site-Scripting-Angriff durchzuführen, Informationen offenzulegen, einen Denial of Service Zustand herbeizuführen oder Dateien zu manipulieren.