CVE-2026-33184

The CVE affects the nimiq/core-rs-albatross Rust implementation of the Nimiq PoS Albatross protocol. Before 1.3.0, the discovery handshake allowed a peer-controlled limit to be stored, causing the HandshakeAck path to honor limit=0 and return zero contacts. After establishment, the periodic updat...

CVE-2026-23455

A flaw was found in the Linux kernel's netfilter subsystem, specifically within the nfconntrackh323 module. This vulnerability occurs in the DecodeQ931 function when processing a zero-length value from a packet. An integer underflow during a length calculation results in a large, incorrect value...

PT-2026-32181

Name of the Vulnerable Software and Affected Versions libexif versions through 0.6.25 Description An integer underflow in size checking during the decoding of Fuji and Olympus MakerNote data within libexif could allow attackers to cause a crash or leak information from programs that use libexif...

Medium: freerdp

Issue Overview: FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, a client-side heap buffer overflow occurs in the FreeRDP client's AVC420/AVC444 YUV-to-RGB conversion path due to missing horizontal bounds validation of H.264 metablock regionRects coordinates. In...

Amazon Linux 2023 : freerdp, freerdp-devel, freerdp-libs (ALAS2023-2026-1520)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1520 advisory. FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, a client-side heap buffer overflow occurs in the FreeRDP client's AVC420/AVC444 YUV-to-RGB conversion path due...

Libssh: buffer underflow in ssh_get_hexa() on invalid input

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CVE-2026-33983

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, progressivedecompresstileupgrade detects a mismatch via progressiverfxquantcmpequal but only emits WLogWARN, execution continues. The wrapped value 247 is used as a shift exponent, causing undefined behavior...

CVE-2026-33983 FreeRDP: Progressive Codec Quant BYTE Underflow - UB + CPU DoS

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, progressivedecompresstileupgrade detects a mismatch via progressiverfxquantcmpequal but only emits WLogWARN, execution continues. The wrapped value 247 is used as a shift exponent, causing undefined behavior...

CVE-2026-33983

FreeRDP (Remote Desktop Protocol) exhibits a CPU denial-of-service vulnerability in progressive_decompress_tile_upgrade() due to a mismatch detected by progressive_rfx_quant_cmp_equal(), where the wrapped value (247) is used as a shift exponent. This causes undefined behavior and can trigger an e...

CVE-2026-33983 FreeRDP: Progressive Codec Quant BYTE Underflow - UB + CPU DoS

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, progressivedecompresstileupgrade detects a mismatch via progressiverfxquantcmpequal but only emits WLogWARN, execution continues. The wrapped value 247 is used as a shift exponent, causing undefined behavior...

CVE-2026-33983

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, progressivedecompresstileupgrade detects a mismatch via progressiverfxquantcmpequal but only emits WLogWARN, execution continues. The wrapped value 247 is used as a shift exponent, causing undefined behavior...

15-Year-Old strongSwan Flaw Lets Attackers Crash VPNs via Integer Underflow

15-year-old strongSwan flaw allows attackers to crash VPNs via integer underflow bug, affecting EAP-TTLS plugin and multiple versions worldwide...

kernel: can: j1939: j1939_session_new(): fix skb reference counting

In the Linux kernel, the following vulnerability has been resolved: can: j1939: j1939sessionnew: fix skb reference counting Since j1939sessionskbqueue does an extra skbget for each new skb, do the same for the initial one in j1939sessionnew to avoid refcount underflow. mkl: clean up commit messag...

CVE-2026-33983

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, progressivedecompresstileupgrade detects a mismatch via progressiverfxquantcmpequal but only emits WLogWARN, execution continues. The wrapped value 247 is used as a shift exponent, causing undefined behavior...

MGASA-2026-0072 Updated strongswan packages fix security vulnerability

strongSwan 4.5.0 6.0.5 EAP-TTLS AVP Parsing Integer Underflow. CVE-2026-25075...

Updated strongswan packages fix security vulnerability

strongSwan 4.5.0 6.0.5 EAP-TTLS AVP Parsing Integer Underflow. CVE-2026-25075...

OESA-2026-1763 glib2 security update

GLib is a bundle of three formerly five low-level system libraries written in C and developed mainly by GNOME. GLib's code was separated from GTK, so it can be used by software other than GNOME and has been developed in parallel ever since. Security Fixes: A flaw was found in GLib, which is...

OESA-2026-1716 freerdp security update

FreeRDP is a client implementation of the Remote Desktop Protocol RDP that follows Microsoft's open specifications. This package provides the client applications xfreerdp. Security Fixes: FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, Integer Underflow in...

strongSwan CVE-2026-25075 Vulnerability Assessment Tool

This tool allows you to safely detect whether a strongSwan VPN server is vulnerable to CVE-2026-25075 without causing any disruption. CVE-2026-25075 is an integer underflow vulnerability in strongSwan's EAP-TTLS plugin that allows remote, unauthenticated attackers to crash the IKE daemon through ...

CVE-2026-0966

CVE-2026-0966 affects the libssh library with a buffer underflow in ssh_get_hexa() on invalid input. The issue occurs because ssh_get_hexa() is used by ssh_get_fingerprint_hash() and the deprecated ssh_print_hexa(), and also in gssapi logging. Remote triggering is possible when GSSAPI authenticat...