CVE-2026-12617

CVE-2026-12617 affects ISC BIND 9: vulnerable in 9.18.0–9.18.50 and 9.20.0–9.20.24 (including 9.18.11-S1–9.18.50-S1 and 9.20.9-S1–9.20.24-S1). The issue causes named to quit unexpectedly when handling responses for CNAME/DNAME and A records under certain query/order scenarios, potentially leading...

CVE-2026-12617

The issue is unexpected program termination based on ordering and/or specific content in responses to queries for CNAME or DNAME, and A records. Specifically, if a client queries for a DNAME and A record below the DNAME to the resolver, and the authoritative server responds positively to the A...

MGASA-2026-0258 Updated bind packages fix a security vulnerability

The updated bind packages fix a security vulnerability: When BIND 9 was configured to use DNS64 and encounters a DNAME redirect, it could end up using freed memory for the DNS response owner name. This caused the response to contain corrupted data...

unbound: Unbound DNSSEC Validator Denial of Service via Incorrect Write Offset Counter in Chase-Reply Messages

A flaw was found in Unbound's DNSSEC validator when constructing chase-reply messages for validation. The code uses the wrong counter to calculate write offsets for ADDITIONAL section resource record sets. When a DNAME chain is combined with authority filtering, an uninitialized array slot is...

unbound: Unbound DNSSEC Validator Denial of Service via Incorrect Write Offset Counter in Chase-Reply Messages

A flaw was found in Unbound's DNSSEC validator when constructing chase-reply messages for validation. The code uses the wrong counter to calculate write offsets for ADDITIONAL section resource record sets. When a DNAME chain is combined with authority filtering, an uninitialized array slot is...

unbound: Unbound DNSSEC Validator Denial of Service via Incorrect Write Offset Counter in Chase-Reply Messages

A flaw was found in Unbound's DNSSEC validator when constructing chase-reply messages for validation. The code uses the wrong counter to calculate write offsets for ADDITIONAL section resource record sets. When a DNAME chain is combined with authority filtering, an uninitialized array slot is...

SUSE CVE-2026-42959

NLnet Labs Unbound up to and including version 1.25.0 has a denial of service vulnerability in the DNSSEC validator that can lead to a crash given malicious upstream replies. When Unbound constructs chase-reply messages for validation, the code uses the wrong counter to calculate write offsets fo...

CVE-2026-42959

A flaw was found in Unbound's DNSSEC validator when constructing chase-reply messages for validation. The code uses the wrong counter to calculate write offsets for ADDITIONAL section resource record sets. When a DNAME chain is combined with authority filtering, an uninitialized array slot is...

CVE-2026-42959

NLnet Labs Unbound up to and including version 1.25.0 has a denial of service vulnerability in the DNSSEC validator that can lead to a crash given malicious upstream replies. When Unbound constructs chase-reply messages for validation, the code uses the wrong counter to calculate write offsets fo...

CVE-2026-42959

NLnet Labs Unbound up to and including version 1.25.0 has a denial of service vulnerability in the DNSSEC validator that can lead to a crash given malicious upstream replies. When Unbound constructs chase-reply messages for validation, the code uses the wrong counter to calculate write offsets fo...

CVE-2026-42959 Crash during DNSSEC validation of malicious content

NLnet Labs Unbound up to and including version 1.25.0 has a denial of service vulnerability in the DNSSEC validator that can lead to a crash given malicious upstream replies. When Unbound constructs chase-reply messages for validation, the code uses the wrong counter to calculate write offsets fo...

CVE-2026-42959 Crash during DNSSEC validation of malicious content

NLnet Labs Unbound up to and including version 1.25.0 has a denial of service vulnerability in the DNSSEC validator that can lead to a crash given malicious upstream replies. When Unbound constructs chase-reply messages for validation, the code uses the wrong counter to calculate write offsets fo...

CVE-2026-42959

NLnet Labs Unbound up to and including version 1.25.0 has a denial of service vulnerability in the DNSSEC validator that can lead to a crash given malicious upstream replies. When Unbound constructs chase-reply messages for validation, the code uses the wrong counter to calculate write offsets fo...

CVE-2026-42959

CVE-2026-42959 affects NLnet Labs Unbound up to version 1.25.0. The vulnerability lies in the DNSSEC validator: while constructing chase-reply messages, the code uses the wrong counter to calculate write offsets for ADDITIONAL section rrsets. This, combined with DNAME duplication increasing the A...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Audit: Fixed an out-of-bounds read in auditcomparednamepath. When a watch on dir=/ is combined with a fsnotify event for a single-character name directly under / e.g., creating /a, an out-of-bounds read can occur in...

PT-2026-42132

Name of the Vulnerable Software and Affected Versions NLnet Labs Unbound versions prior to 1.25.1 Description A denial of service issue exists in the DNSSEC validator. When constructing chase-reply messages for validation, the software uses an incorrect counter to calculate write offsets for...

Security update for bind

This update for bind fixes the following issues: Security issues: CVE-2026-1519: maliciously crafted DNSSEC-validated zone can lead to denial of service bsc1260805. CVE-2026-3104: memory leak in code preparing DNSSEC proofs of non-existence allows for DoS bsc1260567. CVE-2026-3119: authenticated...

CLSA-2026-1771081379 kernel: Fix of 76 CVEs

HID: core: ensure the allocated report buffer can contain the reserved report ID CVE-2025-38495 - fs/proc: fix uaf in procreaddirde CVE-2025-40271 - ALSA: usb-audio: Fix potential overflow of PCM transfer buffer CVE-2025-40269 - Bluetooth: ISO: Fix possible UAF on isoconnfree CVE-2025-40141 -...

CentOS 9 : kernel-5.14.0-677.el9

The remote CentOS Linux 9 host has packages installed that are affected by a vulnerability as referenced in the kernel-5.14.0-677.el9 build changelog. - In the Linux kernel, the following vulnerability has been resolved: audit: fix out-of-bounds read in auditcomparednamepath When a watch on dir=/...

MiracleLinux 8 : unbound-1.7.3-15.el8 (AXSA:2021-2060:02)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2021-2060:02 advisory. unbound: integer overflow in the regional allocator via regionalalloc CVE-2019-25032 unbound: integer overflow in sldnsstr2wirednamebuforigin can le...