CVE-2026-39155

A flaw was found in Knot DNS. The mod-onlinesign component incorrectly computes the next NSEC Next Secure owner name. This can lead to an overly broad authenticated denial interval, allowing DNS Domain Name System resolvers that use aggressive negative caching to incorrectly generate negative...

Linux Distros Unpatched Vulnerability : CVE-2026-39155

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Knot DNS before 3.4.10 and 3.5.x before 3.5.4 contains a vulnerability in mod-onlinesign where the next NSEC owner name can be computed incorrectly. This can...

CVE-2026-39155

Knot DNS before 3.4.10 and 3.5.x before 3.5.4 contains a vulnerability in mod-onlinesign where the next NSEC owner name can be computed incorrectly. This can create an overly broad authenticated denial interval, allowing downstream validating resolvers using aggressive negative caching to...

CVE-2026-39155

Knot DNS before 3.4.10 and 3.5.x before 3.5.4 contains a vulnerability in mod-onlinesign where the next NSEC owner name can be computed incorrectly. This can create an overly broad authenticated denial interval, allowing downstream validating resolvers using aggressive negative caching to...

CVE-2026-39155

Knot DNS before 3.4.10 and 3.5.x before 3.5.4 contains a vulnerability in mod-onlinesign where the next NSEC owner name can be computed incorrectly. This can create an overly broad authenticated denial interval, allowing downstream validating resolvers using aggressive negative caching to...

CVE-2026-39155

Knot DNS versions before 3.4.10 and 3.5.x before 3.5.4 are impacted by a vulnerability in the mod-onlinesign component. The root cause is an incorrect computation of the next NSEC owner name , which creates an overly broad authenticated denial interval. This flaw allows downstream validating reso...

CVE-2026-39155

Knot DNS before 3.4.10 and 3.5.x before 3.5.4 contains a vulnerability in mod-onlinesign where the next NSEC owner name can be computed incorrectly. This can create an overly broad authenticated denial interval, allowing downstream validating resolvers using aggressive negative caching to...

CVE-2026-39155: Insufficient Verification of Data Authenticity

Knot DNS before 3.4.10 and 3.5.x before 3.5.4 contains a vulnerability in mod-onlinesign where the next NSEC owner name can be computed incorrectly. This can create an overly broad authenticated denial interval, allowing downstream validating resolvers using aggressive negative caching to...

CVE-2026-39155

Knot DNS before 3.4.10 and 3.5.x before 3.5.4 contains a vulnerability in mod-onlinesign where the next NSEC owner name can be computed incorrectly. This can create an overly broad authenticated denial interval, allowing downstream validating resolvers using aggressive negative caching to...

[SECURITY] Fedora 43 Update: squid-7.5-1.fc43

Squid is a high-performance proxy caching server for Web clients, supporting FTP and HTTP data objects. Unlike traditional caching software, Squid handles all requests in a single, non-blocking, I/O-driven process. Squid keeps meta data and especially hot objects cached in RAM, caches DNS lookups...

[SECURITY] Fedora 44 Update: squid-7.5-1.fc44

Squid is a high-performance proxy caching server for Web clients, supporting FTP and HTTP data objects. Unlike traditional caching software, Squid handles all requests in a single, non-blocking, I/O-driven process. Squid keeps meta data and especially hot objects cached in RAM, caches DNS lookups...

[SECURITY] Fedora 41 Update: squid-6.14-1.fc41

Squid is a high-performance proxy caching server for Web clients, supporting FTP and HTTP data objects. Unlike traditional caching software, Squid handles all requests in a single, non-blocking, I/O-driven process. Squid keeps meta data and especially hot objects cached in RAM, caches DNS lookups...

[SECURITY] Fedora 42 Update: squid-6.14-1.fc42

Squid is a high-performance proxy caching server for Web clients, supporting FTP and HTTP data objects. Unlike traditional caching software, Squid handles all requests in a single, non-blocking, I/O-driven process. Squid keeps meta data and especially hot objects cached in RAM, caches DNS lookups...

EUVD-2018-17506

Malware in sbrugna...

[SECURITY] Fedora 37 Update: squid-6.4-1.fc37

Squid is a high-performance proxy caching server for Web clients, supporting FTP, gopher, and HTTP data objects. Unlike traditional caching software, Squid handles all requests in a single, non-blocking, I/O-driven process. Squid keeps meta data and especially hot objects cached in RAM, caches DN...

Fedora: Security Advisory for squid (FEDORA-2023-df4923cddc)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

DNS Resolution fails due to Negative Caching

Steps to reproduce this issue: 1. Administrator added an authoritative name server A on Netscaler to resolveStoreFront LB's VIP. 2. Becasue name server A didn't have address record for Storefront LB fqdn, so DNS resolution failed. 3. Then administrator changed to another authoritative name...

K16576941: ISC BIND vulnerability CVE-2018-5737

Security Advisory Description A problem with the implementation of the new serve-stale feature in BIND 9.12 can lead to an assertion failure in rbtdb.c, even when stale-answer-enable is off. Additionally, problematic interaction between the serve-stale feature and NSEC aggressive negative caching...

K85021277: BIG-IP DNSSEC security exposure

Security Advisory Description When you configure security extensions for DNS DNSSEC on a virtual server, undisclosed requests result in incorrect NSEC3 records returned. This issue occurs when the following conditions are met: You use DNSSEC on an affected version of BIG-IP DNS formerly known as...

SUSE CVE-2018-5737

A problem with the implementation of the new serve-stale feature in BIND 9.12 can lead to an assertion failure in rbtdb.c, even when stale-answer-enable is off. Additionally, problematic interaction between the serve-stale feature and NSEC aggressive negative caching can in some cases cause...