CVE-2026-48131 VPND IKE Fragment Reassembly - Heap Out-of-Bounds Write via Sequence Number Zero

The VPN service may mishandle an unexpected IKE fragment value received on the IKE port 500/UDP during the early stage of a connection attempt. This can cause the service to terminate unexpectedly, resulting in denial of service temporary disruption of VPN-related functionality...

Important: Red Hat Security Advisory: gnutls security update

An update for gnutls is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

gnutls: GnuTLS: Denial of Service via heap buffer overflow in DTLS handshake fragment reassembly

A heap buffer overflow vulnerability exists in the DTLS handshake fragment reassembly logic of GnuTLS. The issue arises in mergehandshakepacket where incoming handshake fragments are matched and merged based solely on handshake type, without validating that the messagelength field remains...

Important: Red Hat Security Advisory: gnutls security update

An update for gnutls is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

gnutls: GnuTLS: Denial of Service via heap buffer overflow in DTLS handshake fragment reassembly

A heap buffer overflow vulnerability exists in the DTLS handshake fragment reassembly logic of GnuTLS. The issue arises in mergehandshakepacket where incoming handshake fragments are matched and merged based solely on handshake type, without validating that the messagelength field remains...

Important: Red Hat Security Advisory: gnutls security update

An update for gnutls is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

ALSA-2026:20612 Important: gnutls security update

The gnutls packages provide the GNU Transport Layer Security GnuTLS library, which implements cryptographic algorithms and protocols such as SSL, TLS, and DTLS. Security Fixes: gnutls: Fix qsort comparator in DTLS reassembly CVE-2026-42009 gnutls: Fix crashing on an underflow with a DTLS datagram...

ALSA-2026:20611 Important: gnutls security update

Please update the gnutls packages to provide the GNU Transport Layer Security GnuTLS library, which implements cryptographic algorithms and protocols such as SSL, TLS, and DTLS. Security Fixes: gnutls: Add more checks to DTLS reassembly CVE-2026-33846 gnutls: Fix qsort comparator in DTLS reassemb...

ALSA-2026:20613 Important: gnutls security update

The gnutls packages provide the GNU Transport Layer Security GnuTLS library, which implements cryptographic algorithms and protocols such as SSL, TLS, and DTLS. Security Fixes: gnutls: Fix qsort comparator in DTLS reassembly CVE-2026-42009 gnutls: Fix crashing on an underflow with a DTLS datagram...

Important: gnutls security update

Please update the gnutls packages to provide the GNU Transport Layer Security GnuTLS library, which implements cryptographic algorithms and protocols such as SSL, TLS, and DTLS. Security Fixes: gnutls: Add more checks to DTLS reassembly CVE-2026-33846 gnutls: Fix qsort comparator in DTLS reassemb...

SUSE-SU-2026:21867-1 Security update for gnutls

This update for gnutls fixes the following issues - CVE-2026-3833: x509/name-constraints: compare domain names case-insensitive bsc1263707. - CVE-2026-5260: lib/pkcs11privkey: guard against overreading on short ciphertexts bsc1263715. - CVE-2026-5419: gnutlscipherdecrypt3: make PKCS7 unpadding...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: inet: frags: dropping fraglist and conntrack references Jakub added a warning in nfconntrackcleanupnetlist to make debugging leaked skbs/conntrack references more obvious. The syzbot reports that this triggers an issue, and I can...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: xfrm: iptfs: fix skbput panic on non-linear skb during reassembly In iptfsreassemcont, IP-TFS attempts to append data to the new inner packet ‘newskb’ that is being reassembled. First, a zero-copy approach is tried; if it succeed...

Astra Linux – Vulnerability in Linux

A vulnerability was discovered in the Linux kernel 5.8.9. The WEP, WPA, WPA2, and WPA3 implementations reassemble fragments, even though some of them were sent in plain text. This vulnerability can be exploited to inject packets and/or exfiltrate selected fragments when another device sends...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: free rxdatareassemblyskb on NCI device cleanup The rxdatareassemblyskb is stored during NCI data exchange for processing fragmented packets. It is only dropped when the last fragment is processed, or when an NTF packet...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: inet: inetdefrag: prevent sk release while still in use The functions iplocalout and others can pass skb-sk as a function argument. If the skb is a fragment and reassembly occurs before such a function call returns, the sk must n...

Local privilege escalation in Linux Kernel (Dirty Frag)

Overview A privilege escalation vulnerability, nicknamed "Dirty Frag," has been discovered in the Linux kernel versions 4.10 and later. This vulnerability is a result of chaining together two previously discovered vulnerabilities, xfrm-ESP Page-Cache Write CVE-2026-43284 and the RxRPC Page-Cache...

CLSA-2026-1779203444 gnutls: Fix of CVE-2026-33845

CVE-2026-33845: fix integer underflow and remote heap overrun in DTLS handshake reassembly by tracking startoffset and fraglength instead of an inclusive startoffset, endoffset range...

OPENSUSE-SU-2026:20778-1 Security update for gnutls

This update for gnutls fixes the following issues - CVE-2026-3832: cert-session: fix multi-entry OCSP revocation bypass bsc1263706. - CVE-2026-3833: x509/name-constraints: compare domain names case-insensitive bsc1263707. - CVE-2026-5260: lib/pkcs11privkey: guard against overreading on short...

CVE-2026-42786

A flaw was found in bandit. A remote, unauthenticated attacker can exploit an Allocation of Resources Without Limits or Throttling vulnerability in the fragment reassembly path of the WebSocket connection handling. This allows the attacker to send an unbounded number of continuation frames, leadi...