Quiche security vulnerabilities

quiche is a Cloudflare open source implementation of the IETF-designated QUIC transport protocol and HTTP/3. A security vulnerability exists in quiche versions prior to 0.15.0 through 0.24.5, which stems from a potential infinite loop when sending a packet containing a RETIRECONNECTIONID frame...

Linux Distros Unpatched Vulnerability : CVE-2021-47406

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Ubuntu Linux - In the Linux kernel, the following vulnerability has been resolved: ext4: add error checking to ext4extreplaysetiblocks If the call to...

CVE-2025-7054: Loop with Unreachable Exit Condition

Cloudflare quiche was discovered to be vulnerable to an infinite loop when sending packets containing RETIRECONNECTIONID frames. QUIC connections possess a set of connection identifiers IDs; see Section 5.1 of RFC 9000 https://datatracker.ietf.org/doc/html/rfc9000section-5.1 . Once the QUIC...

Linux Distros Unpatched Vulnerability : CVE-2020-27152

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in ioapiclazyupdateeoi in arch/x86/kvm/ioapic.c in the Linux kernel before 5.9.2. It has an infinite loop related to improper interactio...

PT-2025-32266 · Cloudflare · Cloudflare Quiche

Name of the Vulnerable Software and Affected Versions: Cloudflare quiche versions 0.15.0 through 0.24.5 Description: Cloudflare quiche is susceptible to an infinite loop when processing packets containing RETIRE CONNECTION ID frames. QUIC connections utilize connection identifiers IDs with sequen...

quiche -- Infinite loop triggered by connection ID retirement

Quiche Releases reports: This update includes 1 security fix: High CVE-2025-7054: Infinite loop triggered by connection ID retirement. Reported by Catena cyber on 2025-08-07...

Linux Distros Unpatched Vulnerability : CVE-2019-3900

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An infinite loop issue was found in the vhostnet kernel module in Linux Kernel up to and including v5.1-rc6, while handling incoming packets in handlerx. It cou...

CVE-2025-54575

CVE-2025-54575 affects SixLabors.ImageSharp (GIF decoding path). Versions before 2.1.11 and 3.0.0–3.1.10 are vulnerable to an infinite loop when processing specially crafted GIF files with a malformed comment extension block and missing terminator, leading to DoS. A fix is available in ImageSharp...

CVE-2025-54575

ImageSharp is a 2D graphics library. In versions below 2.1.11 and 3.0.0 through 3.1.10, a specially crafted GIF file containing a malformed comment extension block with a missing block terminator can cause the ImageSharp GIF decoder to enter an infinite loop while attempting to skip the block. Th...

CVE-2025-54575 ImageSharp Triggers an Infinite Loop in its GIF Decoder When Skipping Malformed Comment Extension Blocks

ImageSharp is a 2D graphics library. In versions below 2.1.11 and 3.0.0 through 3.1.10, a specially crafted GIF file containing a malformed comment extension block with a missing block terminator can cause the ImageSharp GIF decoder to enter an infinite loop while attempting to skip the block. Th...

kernel: net_sched: hfsc: Address reentrant enqueue adding class to eltree twice

A use-after-free UAF vulnerability, which also presents a potential infinite loop condition, has been resolved in the Linux kernel. This flaw affects the HFSC Hierarchical Fair Service Curve queuing discipline when it is used in conjunction with NETEM Network Emulation. A malicious user could...

GHSA-RXMQ-M78W-7WMC SixLabors ImageSharp Has Infinite Loop in GIF Decoder When Skipping Malformed Comment Extension Blocks

Impact A specially crafted GIF file containing a malformed comment extension block with a missing block terminator can cause the ImageSharp GIF decoder to enter an infinite loop while attempting to skip the block. This leads to a denial of service. Applications processing untrusted GIF input shou...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the GIF decoding process when handling malformed comment extension blocks lacking a block terminator. An attacker can cause the application to enter an infinite loop and exhaust...

SixLabors ImageSharp Has Infinite Loop in GIF Decoder When Skipping Malformed Comment Extension Blocks

Impact A specially crafted GIF file containing a malformed comment extension block with a missing block terminator can cause the ImageSharp GIF decoder to enter an infinite loop while attempting to skip the block. This leads to a denial of service. Applications processing untrusted GIF input shou...

CVE-2025-54575: Uncontrolled Resource Consumption

ImageSharp is a 2D graphics library. In versions below 2.1.11 and 3.0.0 through 3.1.10, a specially crafted GIF file containing a malformed comment extension block with a missing block terminator can cause the ImageSharp GIF decoder to enter an infinite loop while attempting to skip the block. Th...

ImageSharp security vulnerabilities

ImageSharp is a new, full-featured, fully managed, cross-platform 2D graphics API open-sourced by Six Labors. A security vulnerability exists in ImageSharp versions prior to 2.1.11 and 3.0.0 through 3.1.10, which stems from the possibility of entering an infinite loop when processing specially...

Python DoS Vulnerability (Jul 2025) - Mac OS X

Python is prone to a denial of service DoS vulnerability. SPDX-FileCopyrightText: 2025 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 CPE = "cpe:/a:python:python";...

kernel: net_sched: hfsc: Address reentrant enqueue adding class to eltree twice

A use-after-free UAF vulnerability, which also presents a potential infinite loop condition, has been resolved in the Linux kernel. This flaw affects the HFSC Hierarchical Fair Service Curve queuing discipline when it is used in conjunction with NETEM Network Emulation. A malicious user could...

SUSE CVE-2024-58261

The sequoia-openpgp crate 1.13.0 before 1.21.0 for Rust allows an infinite loop of "Reading a cert: Invalid operation: Not a Key packet" messages for RawCertParser operations that encounter an unsupported primary key type...

SUSE CVE-2025-29918

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. A PCRE rule can be written that leads to an infinite loop when negated PCRE is used. Packet processing thread becomes stuck in infinite loop limiting visibility and availability i...