CVE-2025-52886 Poppler Use After Free Vulnerability

Poppler is a PDF rendering library. Versions prior to 25.06.0 use std::atomicint for reference counting. Because std::atomicint is only 32 bits, it is possible to overflow the reference count and trigger a use-after-free. Version 25.06.0 patches the issue...

Security Vulnerabilities fixed in Thunderbird 140 — Mozilla

A use-after-free in FontFaceSet resulted in a potentially exploitable crash. An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser, and persisted between containers and normal/private browsing mode, but not profiles. Th...

FreeBSD -- Use-after-free in multi-threaded xz decoder

Problem Description: A worker thread could free its input buffer after decoding, while the main thread might still be writing to it. This leads to an use-after-free condition on heap memory. Impact: An attacker may use specifically crafted .xz file to cause multi-threaded xz decoder to crash, or...

ALSA-2025:10072 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: Content-Disposition header ignored when a file is included in an embed or object tag CVE-2025-6430 firefox: Use-after-free in FontFaceSet CVE-2025-6424 firefox:...

CVE-2025-0634

Use After Free vulnerability in Samsung Open Source rLottie allows Remote Code Inclusion.This issue affects rLottie: V0.2...

Security Vulnerabilities fixed in Thunderbird 128.12 — Mozilla

A use-after-free in FontFaceSet resulted in a potentially exploitable crash. An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser, and persisted between containers and normal/private browsing mode, but not profiles. Th...

EulerOS 2.0 SP13 : vim (EulerOS-SA-2025-1696)

According to the versions of the vim packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Vim is a greatly improved version of the good old UNIX editor Vi. Vim allows to redirect screen messages using the :redir ex command to register,...

CVE-2025-6640 PDF-XChange Editor U3D File Parsing Use-After-Free Remote Code Execution Vulnerability

PDF-XChange Editor U3D File Parsing Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of PDF-XChange Editor. User interaction is required to exploit this vulnerability in that the target must visit a...

CVE-2025-6645 PDF-XChange Editor U3D File Parsing Use-After-Free Remote Code Execution Vulnerability

PDF-XChange Editor U3D File Parsing Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of PDF-XChange Editor. User interaction is required to exploit this vulnerability in that the target must visit a...

CVE-2025-6646

PDF-XChange Editor on Windows is affected by a U3D file parsing Use-After-Free Information Disclosure vulnerability (CVE-2025-6646). The flaw stems from not validating the existence of an object before performing operations during U3D parsing, enabling information disclosure and potentially enabl...

CVE-2025-6661 PDF-XChange Editor App Object Use-After-Free Remote Code Execution Vulnerability

PDF-XChange Editor App Object Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of PDF-XChange Editor. User interaction is required to exploit this vulnerability in that the target must visit a...

CVE-2025-6424

A use-after-free in FontFaceSet resulted in a potentially exploitable crash. This vulnerability affects Firefox 140, Firefox ESR 115.25, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12...

CVE-2025-6424 Use-after-free in FontFaceSet

A use-after-free in FontFaceSet resulted in a potentially exploitable crash. This vulnerability was fixed in Firefox 140, Firefox ESR 115.25, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12...

Security Vulnerabilities fixed in Firefox 140 — Mozilla

A use-after-free in FontFaceSet resulted in a potentially exploitable crash. An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser, and persisted between containers and normal/private browsing mode, but not profiles. Th...

Security Vulnerabilities fixed in Firefox ESR 128.12 — Mozilla

A use-after-free in FontFaceSet resulted in a potentially exploitable crash. An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser, and persisted between containers and normal/private browsing mode, but not profiles. Th...

CVE-2025-48945

pycares is a Python module which provides an interface to c-ares. c-ares is a C library that performs DNS requests and name resolutions asynchronously. Prior to version 4.9.0, pycares is vulnerable to a use-after-free condition that occurs when a Channel object is garbage collected while DNS...

CVE-2025-48945

Affected component: pycares (Python module interfacing with c-ares). Vulnerability: use-after-free when a Channel object is garbage-collected while DNS queries are still pending, leading to a fatal Python error and interpreter crash. Versions: vulnerable prior to pycares 4.9.0 (fixed in 4.9.0). R...

CVE-2025-48945 pycares has a Use-After-Free Vulnerability

pycares is a Python module which provides an interface to c-ares. c-ares is a C library that performs DNS requests and name resolutions asynchronously. Prior to version 4.9.0, pycares is vulnerable to a use-after-free condition that occurs when a Channel object is garbage collected while DNS...

BIT-PYTHON-MIN-2025-4516 Use-after-free in "unicode_escape" decoder with error handler

There is an issue in CPython when using bytes.decode"unicodeescape", error="ignore|replace". If you are not using the "unicodeescape" encoding or an error handler your usage is not affected. To work-around this issue you may stop using the error= handler and instead wrap the bytes.decode call in ...

CVE-2022-50219

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix KASAN use-after-free Read in computeeffectiveprogs Syzbot found a Use After Free bug in computeeffectiveprogs. The reproducer creates a number of BPF links, and causes a fault injected alloc to fail, while calling...