MiracleLinux 8 : nghttp2-1.33.0-6.el8_10.3 (AXSA:2026-1576:03)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-1576:03 advisory. nghttp2: nghttp2: HTTP Request/Response Smuggling and Response-Queue Poisoning via ambiguous HTTP/1.1 Upgrade requests CVE-2026-58055 Tenable has extracted t...

SUSE CVE-2026-68228

In the Linux kernel, the following vulnerability has been resolved: media: chips-media: wave5: Move srcbuf Removal to finishencode During encoder processing, there is a case where the IRQ response could return the buffer back to userspace via v4l2m2mbufdone call. In this time, userspace could que...

CVE-2026-52732

ZEBRA is a Zcash node written entirely in Rust. Prior to 4.5.0, one unauthenticated P2P peer can monopolize all 25 MAXINBOUNDCONCURRENCY slots in Zebra's inbound mempool download and verification pipeline. In zebrad/src/components/mempool/downloads.rs, the bounded queue was shared globally withou...

CVE-2026-52732 ZEBRA: Mempool transaction admission denial via single-peer inbound queue saturation

ZEBRA is a Zcash node written entirely in Rust. Prior to 4.5.0, one unauthenticated P2P peer can monopolize all 25 MAXINBOUNDCONCURRENCY slots in Zebra's inbound mempool download and verification pipeline. In zebrad/src/components/mempool/downloads.rs, the bounded queue was shared globally withou...

EUVD-2026-61170

ZEBRA is a Zcash node written entirely in Rust. Prior to 4.5.0, one unauthenticated P2P peer can monopolize all 25 MAXINBOUNDCONCURRENCY slots in Zebra's inbound mempool download and verification pipeline. In zebrad/src/components/mempool/downloads.rs, the bounded queue was shared globally withou...

CVE-2026-52732

ZEBRA (zebrad), a Zcash node written in Rust, is vulnerable to mempool transaction admission denial via single-peer inbound queue saturation in versions prior to 4.5.0 . A single unauthenticated P2P peer can monopolize all 25 MAX_INBOUND_CONCURRENCY slots in the inbound mempool download/verificat...

SUSE CVE-2026-68129

In the Linux kernel, the following vulnerability has been resolved: gve: fix Rx queue stall on alloc failure When the system is under extreme memory pressure, page allocations can fail during the Rx buffer refill loop. If the number of buffers posted to hardware falls below a critical low thresho...

SUSE CVE-2026-68140

In the Linux kernel, the following vulnerability has been resolved: net/iucv: fix use-after-free of a severed iucvpath afiucv queues not-yet-received message notifications on iucv-messageq, each holding a raw pointer to the connection's iucvpath. When the peer severs the connection, iucvseverpath...

CVE-2026-72375

A flaw was found in the Linux kernel's AFS Andrew File System component. This vulnerability arises from improper reinitialization of internal work queue objects, specifically afsvnode::lockwork. An attacker could potentially exploit this flaw to trigger kernel warnings and lead to system...

RLSA-2026:55804 Moderate: nghttp2 security update

libnghttp2 is a library implementing the Hypertext Transfer Protocol version 2 HTTP/2 protocol in C. Security Fixes: nghttp2: nghttp2: HTTP Request/Response Smuggling and Response-Queue Poisoning via ambiguous HTTP/1.1 Upgrade requests CVE-2026-58055 For more details about the security issues,...

AlmaLinux 8 : nghttp2 (ALSA-2026:55804)

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:55804 advisory. nghttp2: nghttp2: HTTP Request/Response Smuggling and Response-Queue Poisoning via ambiguous HTTP/1.1 Upgrade requests CVE-2026-58055 Tenable has extracted the...

Linux Distros Unpatched Vulnerability : CVE-2026-74284

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: schhfsc: Don't make class passive twice updatevf is called from two places for the same class during a single dequeue when the class's child qdisc e....

nghttp2 security update

1.33.0-6.3 - fix HTTP Request/Response Smuggling and Response-Queue Poisoning via ambiguous HTTP/1.1 Upgrade requests CVE-2026-58055...

RHEL 8 : nghttp2 (RHSA-2026:55804)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:55804 advisory. libnghttp2 is a library implementing the Hypertext Transfer Protocol version 2 HTTP/2 protocol in C. Security Fixes: nghttp2: nghttp2: HTTP...

RockyLinux 8 : nghttp2 (RLSA-2026:55804)

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:55804 advisory. nghttp2: nghttp2: HTTP Request/Response Smuggling and Response-Queue Poisoning via ambiguous HTTP/1.1 Upgrade requests CVE-2026-58055 Tenable has extracted the...

ANT-2026-PQ3CNCCK · firecracker-microvm/firecracker · Memory Safety / Out-of-Bounds Read+Write (unsafe Rust)

oob-read high CVE-2026-5747 GHSA-776c-mpj7-jm3r Severity Claude high · Security research firm - · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-PQ3CNCCK: Virtio-PCI queue size writable after activation enables host OOB I...

CVE-2026-14456

A flaw was found in OpenSSL. A remote attacker could exploit this by sending a large number of QUIC Initial packets to an OpenSSL QUIC server. This can cause the server to allocate and queue new incoming channels without limit, leading to unbounded memory growth. The excessive memory consumption...

nghttp2: nghttp2: HTTP Request/Response Smuggling and Response-Queue Poisoning via ambiguous HTTP/1.1 Upgrade requests

A flaw in nghttp2's nghttpx proxy allows a remote attacker to perform HTTP request smuggling and cross-client response-queue poisoning. This occurs because the proxy ambiguously forwards HTTP/1.1 Upgrade requests that contain a Content-Length header to reusable keep-alive backend connections...

CVE-2026-59829

Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.1, on sites with category group moderation enabled, the review queue could include an excerpt and permalink of the private message attached to a flag, even when the reviewing category moderator was...

CVE-2026-59829

CVE-2026-59829 affects Discourse sites with category group moderation enabled: the review queue could expose flag-related private message excerpts to category group moderators lacking authorization to read them. CVSS 4.3 (MEDIUM), confidentiality-only impact. Fixed in versions 2026.1.6, 2026.5.2,...