CVE-2026-53131

In CVE-2026-53131, multiple netfilter-related paths in the Linux kernel (including ip6t_eui64, xt_mac, and several ipset types) could access Ethernet MAC header data via eth_hdr(skb) without first verifying that the skb is associated with an Ethernet device or that the MAC header is present and l...

CVE-2026-53131 netfilter: require Ethernet MAC header before using eth_hdr()

In the Linux kernel, the following vulnerability has been resolved: netfilter: require Ethernet MAC header before using ethhdr ip6teui64, xtmac, the bitmap:ip,mac, hash:ip,mac, and hash:mac ipset types, and nflogsyslog access ethhdrskb after either assuming that the skb is associated with an...

CVE-2026-53131

In the Linux kernel, the following vulnerability has been resolved: netfilter: require Ethernet MAC header before using ethhdr ip6teui64, xtmac, the bitmap:ip,mac, hash:ip,mac, and hash:mac ipset types, and nflogsyslog access ethhdrskb after either assuming that the skb is associated with an...

USN-8470-1: cpp-httplib vulnerability

It was discovered that cpp-httplib incorrectly percent-decoded HTTP request header values. A remote attacker could use this to inject crafted header content possibly leading to response splitting, log injection or proxy smuggling...

CVE-2026-55602

A flaw was found in http-proxy-middleware before 2.0.10, 3.0.6, and 4.1.0. Router proxy-table host+path matching uses unanchored substring comparison on the Host header, so a crafted Host value that superstring-matches a configured key can route requests to an unintended backend...

SUSE CVE-2026-52940

In the Linux kernel, the following vulnerability has been resolved: tun: zero the whole vnet header in tunputuser tunputuser declares an on-stack struct virtionethdrv1hashtunnel without zeroing it. For a non-tunnel skb, virtionethdrtnlfromskb only initializes the first 10 bytes sizeofstruct...

SUSE CVE-2026-52942

In the Linux kernel, the following vulnerability has been resolved: netfilter: nflog: validate MAC header was set before dumping it The fallback path of dumpmacheader guards the MAC header access only with "skb-macheader != skb-networkheader", without checking skbmacheaderwasset. When the MAC...

PT-2026-52314

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the netfilter x tables component where the native and compat get-entries paths copy the fixed rule entry header from the kernelized rule blob to userspace before...

PT-2026-52477

Name of the Vulnerable Software and Affected Versions Vim versions prior to 9.2.0671 Description When opening a file encrypted using the VimCrypt04! or VimCrypt05! methods which utilize xchacha20poly1305 and require the +sodium feature, an unsigned length calculation underflows if the file body i...

PT-2026-52227

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description In the netfilter component, several modules access the eth hdrskb function without properly verifying that the socket buffer skb is associated with an Ethernet device or that a valid MAC...

PT-2026-52302

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the accel/ivpu component where the firmware runtime memory specified in the image header is not properly validated. The lack of bounds checks for alignment and size ca...

PT-2026-52537

Name of the Vulnerable Software and Affected Versions File Browser versions 2.0.0-rc.1 and later Description When configured with proxy authentication auth.method=proxy, the software improperly trusts upstream identity headers without validating that requests originate from a trusted proxy. An...

PT-2026-52624

Name of the Vulnerable Software and Affected Versions Cacti versions prior to 1.2.31 Description An open redirect issue exists due to the use of a substring check instead of a host check within the str contains$referer, CACTI PATH URL logic. When the login opts variable is set to '1', the auth...

PT-2026-52313

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the netfilter module where the nft exthdr init function passes a user-controlled priv-len variable to nft parse register store, which marks a specific number of bytes ...

PT-2026-52312

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the mvpp2 driver where the CPU synchronization for received data is incorrectly aligned. The driver programs the RX queue packet offset such that hardware writes data ...

Linux Distros Unpatched Vulnerability : CVE-2026-52985

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - netdevsim: zero initialize struct iphdr in dummy skbuff Syzbot reports a KMSAN uninit-value originating from nsimdevtrapskbbuild, with the allocation also being...

PT-2026-52642

Name of the Vulnerable Software and Affected Versions OpenTelemetry Rust versions 0.32.0 and earlier Description The BaggagePropagator::extract with context function in opentelemetry sdk fails to enforce W3C Baggage size limits before parsing an inbound baggage header. An attacker can provide a...

PT-2026-52656

Name of the Vulnerable Software and Affected Versions Lemur versions prior to 1.9.0 Lemur version 1.9.0 Description The JWT verifier in the lemur/lemur/auth/service.py component trusts the alg header field from unverified tokens and passes it directly into the pyjwt.decode function via the...

PT-2026-52323

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the SIT Simple Internet Tunneling implementation for IPv6. The ipip6 tunnel xmit function caches the inner IPv6 header pointer at the start of the function and continu...

PT-2026-52615

Name of the Vulnerable Software and Affected Versions Flowise versions prior to 3.0.6 Description The Custom MCP feature, used for executing OS commands like launching local MCP servers, is unsandboxed. Due to a minimal authentication and authorization model lacking role-based access control, and...