CVE-2026-56266: Server-Side Request Forgery (SSRF)

Crawl4AI before 0.8.7 contains a server-side request forgery vulnerability in the /crawl, /crawl/stream, /md, and /llm endpoints that fetch arbitrary user-supplied URLs without validation. Unauthenticated attackers can bypass the internal-address blocklist using IPv6-mapped IPv4 addresses to reac...

The vulnerability of the calipso_skbuff_setattr() function in the net/ipv6/calipso.c module of the Linux operating system’s IPv6 kernel implementation allows a malicious actor to trigger a service failure remotely.

The vulnerability of the calipsoskbuffsetattr function in the net/ipv6/calipso.c module of the Linux operating system’s IPv6 kernel implementation is related to integer overflow or cyclic shift vulnerabilities. Exploiting this vulnerability could allow a remote attacker to cause a service failure...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: arm64: mm: fix VA-range sanity check CVE-2023-53989 In the Linux kernel, the following vulnerability has been resolved: iommu/amd/pgtbl: Fix possible race while increase page table level CVE-2025-39961 In the Linu...

RHEL 9 : kernel (RHSA-2026:27713)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:27713 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: netfilter: nfconntrackh323:...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: blk-mq: use quiesced elevator switch when reinitializing queues CVE-2022-50552 In the Linux kernel, the following vulnerability has been resolved: net: clear the dst when changing skb protocol CVE-2025-38192 In th...

SUSE SLES12 Security Update : amazon-ssm-agent (SUSE-SU-2026:2468-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2468-1 advisory. This update for amazon-ssm-agent fixes the following issues Update to version 3.3.4624.0: - CVE-2025-22869: golang.org/x/crypto/ssh...

kernel: mptcp: fix slab-use-after-free in __inet_lookup_established

A flaw was found in the Linux kernel's Multipath TCP MPTCP implementation. Due to incorrect memory allocation for IPv6 subflow child sockets, a use-after-free vulnerability exists. A remote attacker could exploit this by triggering concurrent lookups in the kernel's hash table, potentially leadin...

SUSE SLES15 Security Update : shim (SUSE-SU-2026:0741-2)

The remote SUSE Linux SLES15 / SLESSAP15 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2026:0741-2 advisory. shim is updated to version 16.1: - shimstartimage: fix guid/handle pairing when uninstalling protocols - Fix uncompressed ipv6 netboot - fix...

SUSE SLES15 Security Update : kernel (SUSE-SU-2026:2421-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2421-1 advisory. The SUSE Linux Enterprise 15 SP5 kernel was updated to fix various security issues The following security issues were fixed: -...

Mailpit: Incomplete SSRF protection in Link Check API via IPv6 transition mechanisms

Summary The remediation shipped in mailpit v1.29.2 for GHSA-mpf7-p9x7-96r3 CVE-2026-27808 is incomplete. The tools.IsInternalIP deny-list relies on Go's stdlib classification helpers IsLoopback, IsPrivate, IsLinkLocalUnicast, IsLinkLocalMulticast, IsUnspecified, IsMulticast plus an inline CGNAT...

AZL-91275 CVE-2026-48715 affecting package radvd for versions less than 2.21-1

radvd is a router advertisement daemon for IPv6. Prior to version 2.21, the radvdump utility shipped with radvd contains a stack buffer overflow in the Route Information option parser. When processing a crafted ICMPv6 Router Advertisement, printff copies up to 2032 bytes from attacker-controlled...

CVE-2026-48715

radvd is a router advertisement daemon for IPv6. Prior to version 2.21, the radvdump utility shipped with radvd contains a stack buffer overflow in the Route Information option parser. When processing a crafted ICMPv6 Router Advertisement, printff copies up to 2032 bytes from attacker-controlled...

EUVD-2026-38033

In the Linux kernel, the following vulnerability has been resolved: ip6vti: set netnsimmutable on the fallback device. john1988 and Noam Rathaus reported that vti6initnet does not set the netnsimmutable flag on the per-netns fallback tunnel device ip6vti0. Other similar tunnel drivers like...

CVE-2026-52909

The CVE-2026-52909 issue affects the Linux kernel’s IPv6 Virtual Tunnel Interface (ip6_vti) fallback device: ip6_vti0 may be movable between network namespaces because netns_immutable is not set during initialisation. Multiple connected advisories confirm this root cause and indicate patches have...

CVE-2026-52909 ip6_vti: set netns_immutable on the fallback device.

In the Linux kernel, the following vulnerability has been resolved: ip6vti: set netnsimmutable on the fallback device. john1988 and Noam Rathaus reported that vti6initnet does not set the netnsimmutable flag on the per-netns fallback tunnel device ip6vti0. Other similar tunnel drivers like...

CVE-2026-52909 ip6_vti: set netns_immutable on the fallback device.

In the Linux kernel, the following vulnerability has been resolved: ip6vti: set netnsimmutable on the fallback device. john1988 and Noam Rathaus reported that vti6initnet does not set the netnsimmutable flag on the per-netns fallback tunnel device ip6vti0. Other similar tunnel drivers like...

SUSE-SU-2026:2467-1 Security update for amazon-ssm-agent

This update for amazon-ssm-agent fixes the following issues Update to version 3.3.4624.0: - CVE-2025-22869: golang.org/x/crypto/ssh: Denial of Service in the Key Exchange of golang.org/x/crypto/ssh bsc1239342. - CVE-2025-22870: golang.org/x/net/proxy: proxy bypass using IPv6 zone IDs bsc1238702. ...

net/url: Incorrect parsing of IPv6 host literals in net/url

The Go standard library function net/url.Parse insufficiently validated the host/authority component and accepted some invalid URLs by effectively treating garbage before an IP-literal as ignorable. The function should have rejected this as invalid...

Important: Red Hat Security Advisory: Satellite 6.16.9 Async Update

An update is now available for Red Hat Satellite 6.16 for RHEL 8 and RHEL 9. 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...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.16.64 packages and security update

Red Hat OpenShift Container Platform release 4.16.64 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.16. Red Hat Product Security has rated this update as having a...