PT-2025-41909

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 144 Thunderbird versions prior to 144 Description A memory safety issue exists in Firefox and Thunderbird. Evidence suggests the bug could lead to memory corruption, potentially allowing for arbitrary code execution...

PT-2025-41903

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 144 Firefox ESR versions prior to 140.4 Thunderbird versions prior to 144 Thunderbird ESR versions prior to 140.4 Description The software contains memory safety bugs, some of which demonstrate evidence of memory...

Security Vulnerabilities fixed in Thunderbird 140.4 — Mozilla

Use-after-free in MediaTrackGraphImpl::GetInstance A compromised web process was able to trigger out of bounds reads and writes in a more privileged process using manipulated WebGL textures. A compromised web process using malicious IPC messages could have caused the privileged browser process to...

Security Vulnerabilities fixed in Firefox ESR 140.4 — Mozilla

Use-after-free in MediaTrackGraphImpl::GetInstance A compromised web process was able to trigger out of bounds reads and writes in a more privileged process using manipulated WebGL textures. A compromised web process using malicious IPC messages could have caused the privileged browser process to...

Security Vulnerabilities fixed in Firefox 144 — Mozilla

Use-after-free in MediaTrackGraphImpl::GetInstance A compromised web process was able to trigger out of bounds reads and writes in a more privileged process using manipulated WebGL textures. A compromised web process using malicious IPC messages could have caused the privileged browser process to...

Mozilla -- Memory safety bugs

[email protected] reports: Memory safety bug. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code...

PT-2025-41902

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 144 Firefox ESR versions 115.28 through 140.3 Thunderbird versions prior to 144 Thunderbird ESR versions 140.3 Description The software contains memory safety bugs. Some of these bugs exhibited evidence of memory...

Security Vulnerabilities fixed in Thunderbird 144 — Mozilla

Use-after-free in MediaTrackGraphImpl::GetInstance A compromised web process was able to trigger out of bounds reads and writes in a more privileged process using manipulated WebGL textures. A compromised web process using malicious IPC messages could have caused the privileged browser process to...

Security Vulnerabilities fixed in Firefox ESR 115.29 — Mozilla

A compromised web process was able to trigger out of bounds reads and writes in a more privileged process using manipulated WebGL textures. A compromised web process using malicious IPC messages could have caused the privileged browser process to reveal blocks of its memory to the compromised...

Mozilla Firefox ESR < 115.29

The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 115.29. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-82 advisory. - Memory safety bugs present in Firefox ESR 115.28, Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143...

Mozilla -- Memory safety bugs

[email protected] reports: Memory safety bugs. 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...

Mozilla -- Memory safety bugs

[email protected] reports: Memory safety bugs. 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...

kernel: ALSA: usb-audio: Validate UAC3 cluster segment descriptors

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Validate UAC3 cluster segment descriptors UAC3 class segment descriptors need to be verified whether their sizes match with the declared lengths and whether they fit with the allocated buffer sizes, too. Otherwis...

OESA-2025-2359 firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. %if 0 %global mozdebugprefix /lib/debug %global mozdebugdir /lib/debug/ %global unamem %uname -m %global symbolsfilename -.en-US.-%uname.crashreporter-symbols.zip %global symbolsfilepath...

OESA-2025-2361 firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. %if 0 %global mozdebugprefix /lib/debug %global mozdebugdir /lib/debug/ %global unamem %uname -m %global symbolsfilename -.en-US.-%uname.crashreporter-symbols.zip %global symbolsfilepath...

OESA-2025-2360 firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. %if 0 %global mozdebugprefix /lib/debug %global mozdebugdir /lib/debug/ %global unamem %uname -m %global symbolsfilename -.en-US.-%uname.crashreporter-symbols.zip %global symbolsfilepath...

JLSEC-2025-36 libcurl's ASN1 parser has this utf8asn1str() function used for parsing an ASN.1 UTF-8 string

libcurl's ASN1 parser has this utf8asn1str function used for parsing an ASN.1 UTF-8 string. Itcan detect an invalid field and return error. Unfortunately, when doing so it also invokes free on a 4 byte localstack buffer. Most modern malloc implementations detect this error and immediately abort...

A Retrospective Survey of 2024/2025 Open Source Supply Chain Compromises

Lack of memory safety is such a predominant cause of security issues that we have a responsibility as professional software engineering to robustly mitigate it in security-sensitive use cases—by using memory safe languages. Similarly, I have the growing impression that software supply chain...

RLSA-2025:16156 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Sandbox escape due to use-after-free in the Graphics: Canvas2D component CVE-2025-10527 firefox: thunderbird: Incorrect boundary conditions in the JavaScript: GC component CVE-2025-10532 firefox:...

RLSA-2025:14416 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: thunderbird: Denial-of-service due to out-of-memory in the Graphics: WebRender component CVE-2025-9182 thunderbird: firefox: Sandbox escape due to invalid point...