RHEL 8 : thunderbird (RHSA-2026:26270)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:26270 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: Incorrect boundary conditions in the JavaScript...

PT-2026-49669

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 152 Thunderbird versions prior to 152 Description A memory safety bug exists in the software, which could lead to unexpected behavior or crashes when handling memory operations. Recommendations Update to version 152 f...

ALSA-2026:26427 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: mptcp: fix slab-use-after-free in inetlookupestablished CVE-2026-31669 kernel: xen/privcmd: fix double free via VMA splitting CVE-2026-31787 kernel: Buffer overflow in...

PT-2026-49675

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 152 Firefox ESR versions prior to 140.12 Thunderbird versions prior to 152 Thunderbird versions prior to 140.12 Description A memory safety bug exists in the software, which could lead to unexpected behavior or crashe...

PT-2026-49697

Name of the Vulnerable Software and Affected Versions Firefox ESR versions 115.36 Firefox ESR versions 140.11 Thunderbird ESR versions 140.11 Firefox version 151 Thunderbird version 151 Description Memory safety bugs involving memory corruption may allow the execution of arbitrary code...

Security Vulnerabilities fixed in Firefox ESR 115.37 — Mozilla

Memory safety bugs present in Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and Thunderbird 151. 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...

KLA91106 Multiple vulnerabilities in Mozilla Firefox ESR

Multiple vulnerabilities were found in Mozilla Firefox ESR. Malicious users can exploit these vulnerabilities to cause denial of service, execute arbitrary code, bypass security restrictions. Below is a complete list of vulnerabilities: 1. Memory safety bug fixed in Firefox 152 2. A remote code...

PT-2026-49667

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 152 Firefox ESR versions prior to 140.12 Thunderbird versions prior to 152 Thunderbird versions prior to 140.12 Description A memory safety bug exists that could lead to instability or unauthorized actions by improper...

PT-2026-49696

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 152 Firefox ESR versions prior to 140.12 Thunderbird versions prior to 152 Thunderbird ESR versions prior to 140.12 Description Memory safety bugs involving memory corruption may allow the execution of arbitrary code...

Mozilla Firefox ESR < 115.37

The version of Firefox ESR installed on the remote Windows host is prior to 115.37. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-59 advisory. - Memory safety bugs present in Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and...

Mozilla Firefox ESR < 115.37

The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 115.37. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-59 advisory. - Memory safety bugs present in Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 1...

PT-2026-49814

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description A memory safety issue exists in the checkSsrcCollisionOnRcv function within the RtpSession.cpp file due to a missing null check. This flaw allows a remote attack...

RHEL 8 : kernel-rt (RHSA-2026:26428)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:26428 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism...

EUVD-2026-36804

A signed integer overflow vulnerability was found in GStreamer's VMnc decoder. A crafted VMnc stream with large cursor dimensions can overflow signed integer payload-size arithmetic, bypassing a length check and leading to out-of-bounds reads. A remote attacker could trick a user into opening a...

CVE-2026-53703 Gstreamer1-plugins-ugly-free: gstreamer: out-of-bounds read in realmedia demuxer audio stream header parser

A vulnerability was found in the GStreamer RealMedia demuxer gst-plugins-ugly. When processing a RealMedia .rm file, the demuxer parses MDPR media properties chunks to configure audio streams. For audio stream header versions 4 and 5, the parser reads fields such as codec type, packet size, sampl...

EUVD-2026-36735

A heap use-after-free existed when importing the blank-width characters of an ODF number format. A position value read from the document was not checked against the length of the format-code string, so a malformed number format could be processed against memory outside that string. In fixed...

CVE-2026-6040 Heap use-after-free in ODF number-format blank-width parsing

A heap use-after-free existed when importing the blank-width characters of an ODF number format. A position value read from the document was not checked against the length of the format-code string, so a malformed number format could be processed against memory outside that string. In fixed...

PT-2026-49263

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description A heap use-after-free occurs during the import of blank-width characters within an ODF number format. This happens because a position value read from the documen...

ROS-20260615-73-0025

The vulnerabilities of the functions xfSetWindowMinMaxInfo and xfrailgetwindow in the RDP client FreeRDP are related to the use of memory after it is freed. Exploiting these vulnerabilities can allow a remote attacker to compromise the confidentiality, integrity, and accessibility of the protecte...

CVE-2026-6040

A heap use-after-free existed when importing the blank-width characters of an ODF number format. A position value read from the document was not checked against the length of the format-code string, so a malformed number format could be processed against memory outside that string. In fixed...