CVE-2025-1017

Memory safety bugs present in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and Thunderbird 128.6. 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 was fixed in Firef...

CVE-2025-1020

Memory safety bugs present in Firefox 134 and Thunderbird 134. 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 was fixed in Firefox 135 and Thunderbird 135...

CVE-2025-1016

CVE-2025-1016 corresponds to memory-safety bugs in Firefox 134/Thunderbird 134 (and ESR lines) that could allow arbitrary code execution. Affected: Firefox <135, Firefox ESR <115.20/128.7, Thunderbird

PT-2025-4133

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 135 Thunderbird versions prior to 135 Description Memory safety bugs are present in Firefox and Thunderbird, with evidence of memory corruption. It is presumed that with enough effort, some of these bugs could be...

PT-2025-4130

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 135 Firefox ESR versions prior to 128.7 Thunderbird versions prior to 128.7 Thunderbird versions prior to 135 Description Memory safety bugs have been detected in Firefox and Thunderbird, showing evidence of memory...

Security Vulnerabilities fixed in Firefox ESR 115.20 — Mozilla

An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash. An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially exploitable crash. A race during concurrent delazification could have led to a...

Security Vulnerabilities fixed in Thunderbird ESR 128.7 — Mozilla

An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash. An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially exploitable crash. A bug in WebAssembly code generation could have lead to a cras...

Security Vulnerabilities fixed in Thunderbird 135 — Mozilla

An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash. An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially exploitable crash. The fullscreen notification is prematurely hidden when...

Security Vulnerabilities fixed in Firefox 135 — Mozilla

An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash. An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially exploitable crash. The fullscreen notification is prematurely hidden when...

Mozilla Firefox < 135.0

The version of Firefox installed on the remote macOS or Mac OS X host is prior to 135.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-07 advisory. - Memory safety bugs present in Firefox 134 and Thunderbird 134. Some of these bugs showed evidence of memory...

Mozilla Thunderbird < 135.0

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 135.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-11 advisory. - Memory safety bugs present in Firefox 134 and Thunderbird 134. Some of these bugs showed evidence of...

Mozilla Thunderbird < 128.7

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 128.7. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-10 advisory. - Memory safety bugs present in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and Thunderbird 128.6. So...

Mozilla Firefox ESR < 115.20

The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 115.20. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-08 advisory. - Memory safety bugs present in Firefox 134, Thunderbird 134, Firefox ESR 115.19, Firefox ESR 128.6,...

mozilla -- multiple vulnerabilities

[email protected] reports: A bug in WebAssembly code generation could have lead to a crash. It may have been possible for an attacker to leverage this to achieve code execution. A race condition could have led to private browsing tabs being opened in normal browsing windows. This could have...

mozilla -- multiple vulnerabilities

[email protected] reports: Memory safety bugs present in Firefox 134 and Thunderbird 134. 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. The fullscreen notification is prematurely...

mozilla -- multiple vulnerabilities

[email protected] reports: An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash. An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially exploitable crash. A race during concurrent...

Mozilla Firefox ESR < 128.7

The version of Firefox ESR installed on the remote Windows host is prior to 128.7. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-09 advisory. - Memory safety bugs present in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and Thunderbird 128.6. Some of thes...

Mozilla Thunderbird < 135.0

The version of Thunderbird installed on the remote Windows host is prior to 135.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-11 advisory. - Memory safety bugs present in Firefox 134 and Thunderbird 134. Some of these bugs showed evidence of memory...

⚡ THN Weekly Recap: Top Cybersecurity Threats, Tools and Tips [3 February]

This week, our news radar shows that every new tech idea comes with its own challenges. A hot AI tool is under close watch, law enforcement is shutting down online spots that help cybercriminals, and teams are busy fixing software bugs that could let attackers in. From better locks on our devices...

SUSE SLES15: kernel-coco / kernel-coco-devel / kernel-coco_debug / etc (SUSE-SU-2025:0289-1)

The remote SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:0289-1 advisory. The SUSE Linux Enterprise 15 SP6 Confidential Computing kernel was updated to receive various security bugfixes. The following security bugs we...