The vulnerability in the Firefox web browser and the Thunderbird email client relates to the issue of allowing operations beyond the buffer in memory, which allows a malicious actor to execute arbitrary code.

The vulnerability in the Firefox web browser and the Thunderbird email client relates to the escape of operations beyond the buffer in memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

MiracleLinux 8 : firefox-140.11.0-1.el8_10.ML.1 (AXSA:2026-764:13)

The remote MiracleLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2026-764:13 advisory. firefox: Incorrect boundary conditions in the JavaScript Engine: JIT component CVE-2026-8388 firefox: Other issue in the JavaScript Engine component...

RHEL 8 : firefox (RHSA-2026:24516)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:24516 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

RHEL 9 : firefox (RHSA-2026:24509)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:24509 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

RHEL 9 : firefox (RHSA-2026:24510)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:24510 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

RHEL 8 : firefox (RHSA-2026:24345)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:24345 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

Amazon Linux 2 : firefox, --advisory ALAS2FIREFOX-2026-061 (ALASFIREFOX-2026-061)

The version of firefox installed on the remote host is prior to 140.11.0-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2FIREFOX-2026-061 advisory. Three inter-frame chunk discard paths in the push-mode APNG parser clear the chunk-header flag without consuming...

Amazon Linux 2023 : firefox (ALAS2023-2026-1793)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1793 advisory. Three inter-frame chunk discard paths in the push-mode APNG parser clear the chunk-header flag without consuming the chunk body and CRC, allowing attacker-controlled bytes inside an ignored...

The vulnerability of the DOM component in the Firefox web browser, the Firefox ESR web browser, and the Thunderbird email client allows attackers to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the DOM component in Firefox web browsers, Firefox ESR, and the Thunderbird email client is related to the use of memory after it is released. Exploiting this vulnerability can allow a malicious actor to compromise the confidentiality, integrity, and accessibility of protecte...

The vulnerability of Mozilla Firefox’s preview interface for browser links allows attackers to carry out phishing attacks.

The vulnerability of the preview interface for Mozilla Firefox links is related to errors in information presentation by the user interface. Exploiting this vulnerability can allow attackers, operating remotely, to carry out phishing attacks...

TencentOS Server 4: firefox (TSSA-2026:0323)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0323 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

RHEL 9 : firefox (RHSA-2026:24508)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:24508 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

MiracleLinux 8 : firefox-140.10.2-1.el8_10.ML.1 (AXSA:2026-760:12)

The remote MiracleLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2026-760:12 advisory. firefox: Other issue in the WebRTC component CVE-2026-8094 firefox: Memory safety bugs fixed in Firefox ESR 115.35.2, Firefox ESR 140.10.2 and Firefo...

thunderbird security update

An update is available for thunderbird. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Mozilla Thunderbird is a standalone mail and newsgroup client. Security...

[SECURITY] Fedora 44 Update: firefox-151.0.3-1.fc44

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

RockyLinux 8 : thunderbird (RLSA-2026:22643)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:22643 advisory. firefox: Incorrect boundary conditions in the JavaScript Engine: JIT component CVE-2026-8388 firefox: Other issue in the JavaScript Engine component...

Fedora 44 : firefox (2026-d1aae27e8b)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-d1aae27e8b advisory. - New upstream release 151.0.3 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus ha...

RHEL 8 : thunderbird (RHSA-2026:22643)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:22643 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: Incorrect boundary conditions in the JavaScript...

RHEL 10 : firefox (RHSA-2026:22408)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:22408 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

RHEL 7 : firefox (RHSA-2026:22708)

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:22708 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...