Mozilla: Use-after-free in MessagePort::Entangled

The Mozilla Foundation Security Advisory describes this flaw as: It was possible to cause the use of a MessagePort after it had already been freed, which could potentially have led to an exploitable crash...

Mozilla: Using Selection API would copy contents into X11 primary selection.

The Mozilla Foundation Security Advisory describes this flaw as: When using X11, text selected by the page using the Selection API was erroneously copied into the primary selection, a temporary storage not unlike the clipboard. This bug only affects Firefox on X11. Other systems are unaffected...

Mozilla: Incorrect parsing of relative URLs starting with "///"

The Mozilla Foundation Security Advisory describes this flaw as: Relative URLs starting with three slashes were incorrectly parsed, and a path-traversal "/../" part in the path could be used to override the specified host. This could contribute to security problems in web sites...

Mozilla: Out-of-bound memory access in WebGL2 blitFramebuffer

The Mozilla Foundation Security Advisory describes this flaw as: On some systems—depending on the graphics settings and drivers—it was possible to force an out-of-bounds read and leak memory data into the images created on the canvas element...

Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update ...

Mozilla: Use-after-free in ReadableByteStreamQueueEntry::Buffer

The Mozilla Foundation Security Advisory describes this flaw as: Ownership mismanagement led to a use-after-free in ReadableByteStreams...

Mozilla: Use-after-free in MessagePort::Entangled

The Mozilla Foundation Security Advisory describes this flaw as: It was possible to cause the use of a MessagePort after it had already been freed, which could potentially have led to an exploitable crash...

RLSA-2023:7500 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 115.5.0. Security Fixes: Mozilla: Out-of-bound memory access in WebGL2 blitFramebuffer CVE-2023-6204 Mozilla: Use-after-free in MessagePort::Entangled CVE-2023-6205 Mozilla: Clickjacking...

Important: Red Hat Security Advisory: firefox security update

An update for firefox is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

Mozilla: Clickjacking permission prompts using the fullscreen transition

The Mozilla Foundation Security Advisory describes this flaw as: The black fade animation when exiting fullscreen is roughly the length of the anti-clickjacking delay on permission prompts. It was possible to use this fact to surprise users by luring them to click where the permission grant butto...

Mozilla: Use-after-free in ReadableByteStreamQueueEntry::Buffer

The Mozilla Foundation Security Advisory describes this flaw as: Ownership mismanagement led to a use-after-free in ReadableByteStreams...

Fedora: Security Advisory (FEDORA-2023-985a025a03)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Important: Red Hat Security Advisory: firefox security update

An update for firefox is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

Mozilla: Incorrect parsing of relative URLs starting with "///"

The Mozilla Foundation Security Advisory describes this flaw as: Relative URLs starting with three slashes were incorrectly parsed, and a path-traversal "/../" part in the path could be used to override the specified host. This could contribute to security problems in web sites...

Mozilla: Use-after-free in MessagePort::Entangled

The Mozilla Foundation Security Advisory describes this flaw as: It was possible to cause the use of a MessagePort after it had already been freed, which could potentially have led to an exploitable crash...

Mozilla: Out-of-bound memory access in WebGL2 blitFramebuffer

The Mozilla Foundation Security Advisory describes this flaw as: On some systems—depending on the graphics settings and drivers—it was possible to force an out-of-bounds read and leak memory data into the images created on the canvas element...

Mozilla: Use-after-free in ReadableByteStreamQueueEntry::Buffer

The Mozilla Foundation Security Advisory describes this flaw as: Ownership mismanagement led to a use-after-free in ReadableByteStreams...

Mozilla: Clickjacking permission prompts using the fullscreen transition

The Mozilla Foundation Security Advisory describes this flaw as: The black fade animation when exiting fullscreen is roughly the length of the anti-clickjacking delay on permission prompts. It was possible to use this fact to surprise users by luring them to click where the permission grant butto...

Important: Red Hat Security Advisory: firefox security update

An update for firefox is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

Mozilla: Use-after-free in MessagePort::Entangled

The Mozilla Foundation Security Advisory describes this flaw as: It was possible to cause the use of a MessagePort after it had already been freed, which could potentially have led to an exploitable crash...