GHSA-445C-VH5M-36RJ Apache Log4j Core: log injection in `Rfc5424Layout` due to silent configuration incompatibility

Apache Log4j Core's Rfc5424Layout, in versions 2.21.0 through 2.25.3, is vulnerable to log injection via CRLF sequences due to undocumented renames of security-relevant configuration attributes. Two distinct issues affect users of stream-based syslog services who configure Rfc5424Layout directly:...

CVE-2026-34478

Apache Log4j Core's Rfc5424Layout https://logging.apache.org/log4j/2.x/manual/layouts.htmlRFC5424Layout , in versions 2.21.0 through 2.25.3, is vulnerable to log injection via CRLF sequences due to undocumented renames of security-relevant configuration attributes. Two distinct issues affect user...

UBUNTU-CVE-2026-34478

Apache Log4j Core's Rfc5424Layout https://logging.apache.org/log4j/2.x/manual/layouts.htmlRFC5424Layout , in versions 2.21.0 through 2.25.3, is vulnerable to log injection via CRLF sequences due to undocumented renames of security-relevant configuration attributes. Two distinct issues affect user...

CVE-2026-34478 Apache Log4j Core: Log injection in Rfc5424Layout due to silent configuration incompatibility

Apache Log4j Core's Rfc5424Layout https://logging.apache.org/log4j/2.x/manual/layouts.htmlRFC5424Layout , in versions 2.21.0 through 2.25.3, is vulnerable to log injection via CRLF sequences due to undocumented renames of security-relevant configuration attributes. Two distinct issues affect user...

CVE-2026-34478 Apache Log4j Core: Log injection in Rfc5424Layout due to silent configuration incompatibility

Apache Log4j Core's Rfc5424Layout https://logging.apache.org/log4j/2.x/manual/layouts.htmlRFC5424Layout , in versions 2.21.0 through 2.25.3, is vulnerable to log injection via CRLF sequences due to undocumented renames of security-relevant configuration attributes. Two distinct issues affect user...

CLSA-2026-1775745943 kernel: Fix of 5 CVEs

net/sched: schhfsc: upgrade 'rt' to 'sc' when it becomes a inner curve CVE-2023-4623 - net/sched: Enforce that teql can only be used as root qdisc CVE-2026-23074 - ALSA: usb-audio: Fix use-after-free in sndusbmixerfree CVE-2026-23089 - atm: atmtcp: Prevent arbitrary write in atmtcprecvcontrol...

CLSA-2026-1775745222 kernel: Fix of 5 CVEs

net/sched: schhfsc: upgrade 'rt' to 'sc' when it becomes a inner curve CVE-2023-4623 - net/sched: Enforce that teql can only be used as root qdisc CVE-2026-23074 - ALSA: usb-audio: Fix use-after-free in sndusbmixerfree CVE-2026-23089 - atm: atmtcp: Prevent arbitrary write in atmtcprecvcontrol...

Linux Distros Unpatched Vulnerability : CVE-2026-39863

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Kamailio is an open source implementation of a SIP Signaling Server. Prior to 6.1.1, 6.0.6, and 5.8.8, an out-of-bounds access in the core of Kamailio formerly...

CVE-2026-39863 Kamailio Core: TCP Data Processing Vulnerability

Kamailio is an open source implementation of a SIP Signaling Server. Prior to 6.1.1, 6.0.6, and 5.8.8, an out-of-bounds access in the core of Kamailio formerly OpenSER and SER allows remote attackers to cause a denial of service process crash via a specially crafted data packet sent over TCP. The...

CVE-2026-39863

CVE-2026-39863 affects the Kamailio core (formerly OpenSER/SER). Prior to versions 5.1.1, 6.0.6, and 5.8.8 , an out-of-bounds access in the core allows remote attackers to cause a denial of service via a specially crafted data packet sent over TCP. Impact is on Kamailio instances with TCP or TLS ...

PT-2026-31442

Name of the Vulnerable Software and Affected Versions Kamailio versions prior to 6.1.1, prior to 6.0.6, and prior to 5.8.8 Description Kamailio, an open source SIP Signaling Server, contains a flaw where a specially crafted data packet sent over TCP can lead to a denial of service process crash...

CVE-2026-35406 Aardvark-dns has incorrect error handling for malformed tcp packets

Aardvark-dns is an authoritative dns server for A/AAAA container records. From 1.16.0 to 1.17.0, a truncated TCP DNS query followed by a connection reset causes aardvark-dns to enter an unrecoverable infinite error loop at 100% CPU. This vulnerability is fixed in 1.17.1...

CVE-2026-35406

Affected software: aardvark-dns (authoritative DNS server for A/AAAA container records). Vulnerable versions: 1.16.0 through 1.17.0. Root cause: a truncated TCP DNS query followed by a connection reset can cause the process to enter an unrecoverable infinite error loop, consuming 100% CPU. Impact...

CVE-2026-35406 Aardvark-dns has incorrect error handling for malformed tcp packets

Aardvark-dns is an authoritative dns server for A/AAAA container records. From 1.16.0 to 1.17.0, a truncated TCP DNS query followed by a connection reset causes aardvark-dns to enter an unrecoverable infinite error loop at 100% CPU. This vulnerability is fixed in 1.17.1...

netavark has incorrect error handling for malformed tcp packets

Impact A truncated TCP DNS query followed by a connection reset causes aardvark-dns to enter an unrecoverable infinite error loop at 100% CPU. Patches https://github.com/containers/aardvark-dns/commit/3b49ea7b38bdea134b7f03256f2e13f44ce73bb1 Workarounds None Credits Thanks to @dkane01 for reporti...

Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1543)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1543 advisory. In the Linux kernel, the following vulnerability has been resolved: fs/xattr: missing fdput in fremovexattr error path CVE-2024-14027 In the Linux kernel, the following vulnerability has been...

Security Bulletin: IBM DataPower Gateway affected by integer overflow in OS kernel

Summary This flaw may affect TCP networking. Vulnerability Details CVEID:CVE-2022-50865 DESCRIPTION: In the Linux kernel, the following vulnerability has been resolved: tcp: fix a signed-integer-overflow bug in tcpaddbacklog The type of skrcvbuf and sksndbuf in struct sock is int, and in...

CVE-2026-5590

CVE-2026-5590 describes a race condition during TCP connection teardown where tcp_recv() may operate on a released connection. If tcp_conn_search() returns NULL while processing a SYN, a NULL pointer from stale context data is passed to tcp_backlog_is_full() and dereferenced without validation, c...

CVE-2026-5590

A race condition during TCP connection teardown can cause tcprecv to operate on a connection that has already been released. If tcpconnsearch returns NULL while processing a SYN packet, a NULL pointer derived from stale context data is passed to tcpbacklogisfull and dereferenced without validatio...

Invisible Adversaries: A Systematic Study of Session Manipulation Attacks on VPNs

Virtual Private Networks VPNs are widely used for censorship evasion and traffic protection. VPN users expect to be provided with adequate security protection, and at the same time not be affected by other users connected to the same VPN server, which can be illustrated as the non-interference...