Important: Red Hat Security Advisory: rhc security update

An update for rhc is now available for Red Hat Enterprise Linux 10. 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 the...

crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages

A flaw was found in the crypto/tls package, part of golang. A malicious client can exploit this vulnerability by continuously sending KeyUpdate messages to a server. This forces the server to perform indefinite key derivation operations, leading to resource exhaustion and a Denial of Service DoS...

PT-2026-85496

Traefik versions = v3.7.0 and = v3.7.10 contain an authentication bypass in the Kubernetes Ingress NGINX provider. The TLS option generated for an Ingress carrying the nginx.ingress.kubernetes.io/auth-tls-secret annotation was named after the Ingress namespace and name. As a result, two Ingress...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: freerdp (UTSA-2026-106202)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-106202 advisory. FreeRDP before 3.29.0 affected versions = 3.28.0 contains an improper certificate hostname validation vulnerability. The TLS hostname matcher tlsmatchhostname in...

PT-2026-86169

PJSIP is a free and open source multimedia communication library written in C. Prior to commit c4a151a, a stack buffer overflow exists in the GnuTLS TLS backend when parsing the Subject Alternative Name extension of a peer certificate tls cert get info in ssl sock gtls.c. Only GnuTLS builds are...

PT-2026-91808

ntop nDPI versions before 6.0 contain a heap buffer overflow vulnerability in the ndpi json string escape function that writes beyond caller-supplied buffer boundaries. Attackers can trigger the overflow by supplying crafted network packet data including TLS SNI, HTTP headers, or DNS names that...

CVE-2026-85597: Incorrect Authorization

Traefik before v2.11.55 and v3.0.0 through v3.7.10 contain a TLS option conflict resolution vulnerability that allows unauthenticated attackers to bypass client-certificate authentication by creating conflicting TLS options on multi-host routers. Attackers can reach protected backends by exploiti...

CVE-2026-84961: Improper Certificate Validation

undici's BalancedPool constructor passes its entire options object through an internal deep-clone that serializes and reparses the value as JSON. Because JSON cannot represent functions, any function-valued TLS option, such as a caller-supplied checkServerIdentity callback or a custom connector...

CVE-2026-84961: Improper Certificate Validation

undici's BalancedPool constructor passes its entire options object through an internal deep-clone that serializes and reparses the value as JSON. Because JSON cannot represent functions, any function-valued TLS option, such as a caller-supplied checkServerIdentity callback or a custom connector...

PT-2026-91016

It was discovered that OpenVPN had a use-after-free vulnerability in its TLS session handling. An attacker could possibly use this issue to cause OpenVPN to crash, resulting in a denial of service, or execute arbitrary code. CVE-2026-84471 It was discovered that OpenVPN incorrectly handled...

PT-2026-85804

Name of the Vulnerable Software and Affected Versions undici versions 7.24.1 through 7.29.0 undici versions 8.0.0 through 8.10.1 Description The BalancedPool constructor uses an internal deep-clone process that serializes and reparses the options object as JSON. Since JSON does not support...

CVE-2026-86098: Out-of-bounds Write

ntop nDPI versions before 6.0 contain a heap buffer overflow vulnerability in the ndpijsonstringescape function that writes beyond caller-supplied buffer boundaries. Attackers can trigger the overflow by supplying crafted network packet data including TLS SNI, HTTP headers, or DNS names that reac...

PT-2026-85439

Name of the Vulnerable Software and Affected Versions Snowflake Python driver affected versions not specified Snowflake Go driver affected versions not specified Snowflake JDBC driver affected versions not specified Snowflake Node.js driver affected versions not specified Description Improper OCS...

PT-2026-86195

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the net/tls component where the tls sw splice read function fails to check for errors after a failed asynchronous decryption. While tls sw recvmsg and tls sw read sock...

PT-2026-85730

In the Linux kernel, the following vulnerability has been resolved: tls: device: fix out-of-bounds write in tls append frag Found with syzkaller and a local syzbot instance running on top of a netdevsim TLS offload emulation; tls device.c is otherwise only reachable on a machine with a NIC that...

PT-2026-91334

In the Linux kernel, the following vulnerability has been resolved: tls: device: fix out-of-bounds write in tls append frag Found with syzkaller and a local syzbot instance running on top of a netdevsim TLS offload emulation; tls device.c is otherwise only reachable on a machine with a NIC that...

Linux Distros Unpatched Vulnerability : CVE-2026-80852

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - tls: device: fix out-of-bounds write in tlsappendfrag Found with syzkaller and a local syzbot instance running on top of a netdevsim TLS offload emulation;...

PT-2026-85497

Traefik before v2.11.55 contains a TLS option conflict resolution vulnerability that allows unauthenticated attackers to bypass client-certificate authentication by creating conflicting TLS options on multi-host routers. Attackers can reach protected backends by exploiting shared TLS resolution...

CVE-2026-80904: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/tls: Fail tlsswspliceread after a failed async decrypt When an async decrypt fails, tlsdecryptdone records the error in ctx-asyncwait.err and calls tlserrabort, which stores it in skerr. tlsswrecvmsg and tlsswreadsock each re...

PT-2026-91788

In the Linux kernel, the following vulnerability has been resolved: net/tls: Fail tls sw splice read after a failed async decrypt When an async decrypt fails, tls decrypt done records the error in ctx-async wait.err and calls tls err abort, which stores it in sk err. tls sw recvmsg and tls sw rea...