firefox: thunderbird: Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and Thunderbird 128.6

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 128.5, and Thunderbird 128.5. Some of these bugs showed evidence of memory corruption and we presume that with enough effo...

ALSA-2025:0080 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: Use-after-free when breaking lines in text CVE-2025-0238 firefox: Memory corruption when using JavaScript Text Segmentation CVE-2025-0241 firefox: Alt-Svc ALPN...

CVE-2025-0247

The Mozilla Foundation's Security Advisory: Memory safety bugs are present in Firefox 133 and Thunderbird 133. Some of these bugs show evidence of memory corruption, and with enough effort, some of these could be exploited to run arbitrary code...

CVE-2025-0247

Memory safety bugs present in Firefox 133 and Thunderbird 133. 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 134 and Thunderbird 134...

CVE-2025-0243

Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 128.5, and Thunderbird 128.5. 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-2025-0243

Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 128.5, and Thunderbird 128.5. 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 13...

CVE-2025-0242

Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 115.18, Firefox ESR 128.5, Thunderbird 115.18, and Thunderbird 128.5. 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 cod...

CVE-2025-0242

Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 115.18, Firefox ESR 128.5, Thunderbird 115.18, and Thunderbird 128.5. 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 cod...

CVE-2025-0242

Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 115.18, Firefox ESR 128.5, Thunderbird 115.18, and Thunderbird 128.5. 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 cod...

UBUNTU-CVE-2025-0247

Memory safety bugs present in Firefox 133 and Thunderbird 133. 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 134 and Thunderbird 134...

CVE-2025-0243 Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and Thunderbird 128.6

Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 128.5, and Thunderbird 128.5. 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-2025-0247 Memory safety bugs fixed in Firefox 134 and Thunderbird 134

Memory safety bugs present in Firefox 133 and Thunderbird 133. 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 134 and Thunderbird 134...

CVE-2025-0242

The connected documents confirm CVE-2025-0242 involves memory safety bugs in Firefox and Thunderbird (including ESR branches) with evidence of memory corruption and potential arbitrary code execution given sufficient effort. Affected products and versions stated: Firefox < 134, Firefox ESR &lt...

CVE-2025-0247

CVE-2025-0247 concerns memory safety bugs in Mozilla Firefox 133 and Thunderbird 133, with impact on Firefox < 134 and Thunderbird

CVE-2025-0242 Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 115.19, Firefox ESR 128.6, Thunderbird 115.19, and Thunderbird 128.6

Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 115.18, Firefox ESR 128.5, Thunderbird 115.18, and Thunderbird 128.5. 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 cod...

CVE-2025-0242

Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 115.18, Firefox ESR 128.5, Thunderbird 115.18, and Thunderbird 128.5. 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 cod...

CVE-2025-0242 Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 115.19, Firefox ESR 128.6, Thunderbird 115.19, and Thunderbird 128.6

Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 115.18, Firefox ESR 128.5, Thunderbird 115.18, and Thunderbird 128.5. 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 cod...

CVE-2025-0243

CVE-2025-0243 concerns memory-safety bugs in Mozilla Firefox and Thunderbird. Affected products include Firefox 133 and Thunderbird 133, and their ESR lines (Firefox ESR 128.5, Thunderbird ESR 128.5) with exploitation potential for memory corruption that could allow executing arbitrary code. The ...

Mozilla Firefox ESR < 128.6

The version of Firefox ESR installed on the remote Windows host is prior to 128.6. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-02 advisory. - Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 115.18, Firefox ESR 128.5, Thunderbird...

Mozilla Firefox < 134.0

The version of Firefox installed on the remote macOS or Mac OS X host is prior to 134.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-01 advisory. - Memory safety bugs present in Firefox 133 and Thunderbird 133. Some of these bugs showed evidence of memory...