Amazon Linux 2023 : python3-dns, python3-dns+dnssec, python3-dns+idna (ALAS2023-2026-3357)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-3357 advisory. dnspython is a DNS toolkit for Python. Prior to 2.9.0, dns.name.fromwireparser follows attacker- controlled DNS compression pointer chains without a hop limit. A malicious DNS wire-format message can...

Dnspython Dns.name.from_wire_parser() Excessive CPU Use

Impact A maliciously crafted DNS message may cause dns.name.fromwireparser to use excessive CPU for DNS name decompression. Applications that process untrusted DNS wire form messages with dnspython may be degraded or DoS'd by the extra CPU use required. Patches This problem is fixed in dnspython...

GHSA-45C3-73F7-PV4M dnspython dns.name.from_wire_parser() excessive CPU use

Impact A maliciously crafted DNS message may cause dns.name.fromwireparser to use excessive CPU for DNS name decompression. Applications that process untrusted DNS wire form messages with dnspython may be degraded or DoS'd by the extra CPU use required. Patches This problem is fixed in dnspython...

dnspython dns.name.from_wire_parser() excessive CPU use

Impact A maliciously crafted DNS message may cause dns.name.fromwireparser to use excessive CPU for DNS name decompression. Applications that process untrusted DNS wire form messages with dnspython may be degraded or DoS'd by the extra CPU use required. Patches This problem is fixed in dnspython...

CLSA-2026-1792810562 unbound: Fix of 6 CVEs

CVE-2025-5994: do not cache non-ECS answers to ECS queries in the subnet cache Rebirthday attack - CVE-2026-40622: limit the TTL of a higher-trust NS rrset replacing a cached delegation ghost domain - CVE-2026-50106: treat an unsigned parent denial of an island trust anchor as bogus -...

CLSA-2026-1792810088 unbound: Fix of 6 CVEs

CVE-2025-5994: do not cache non-ECS answers to ECS queries in the subnet cache Rebirthday attack - CVE-2026-40622: limit the TTL of a higher-trust NS rrset replacing a cached delegation ghost domain - CVE-2026-50106: treat an unsigned parent denial of an island trust anchor as bogus -...

Astra Linux – Vulnerability in Ruby 2.5

The attack vector is a potential Denial of Service DoS attack. The vulnerability arises from an insufficient check on the length of a decompressed domain name within a DNS packet. An attacker can create a malicious DNS packet containing a highly compressed domain name. When the resolv library...

Rocky Linux 9.6 [TuxCare] Security Update: ruby / ruby-default-gems / ruby-devel / ruby-doc / ruby-libs / etc (ALMALINUX9.6:CLSA-2026:1768839607)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1768839607 advisory. - The attack vector is a potential Denial of Service DoS. The vulnerability is caused by an insufficient check on the length of a...

AlmaLinux 9.2 [TuxCare] Security Update: ruby / ruby-default-gems / ruby-devel / ruby-doc / ruby-libs / etc (ALMALINUX9.2:CLSA-2026:1768209702)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1768209702 advisory. - The attack vector is a potential Denial of Service DoS. The vulnerability is caused by an insufficient check on the length of a decompresse...

[SECURITY] [DLA 4716-1] ruby2.7 security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-4716-1 [email protected] https://www.debian.org/lts/security/ Abhijith PA August 04, 2026 https://wiki.debian.org/LTS -...

CVE-2026-42304

A flaw was found in Twisted, specifically within the twisted.names module. A remote, unauthenticated attacker can exploit this vulnerability by sending a specially crafted TCP DNS packet containing deeply chained compression pointers. This can lead to resource exhaustion, causing the...

USN-8380-1 twisted vulnerability

It was discovered that Twisted incorrectly handled DNS name decompression. A remote attacker could possibly use this issue to cause Twisted to consume excessive resources, leading to a denial of service...

PT-2026-46110

It was discovered that Twisted incorrectly handled DNS name decompression. A remote attacker could possibly use this issue to cause Twisted to consume excessive resources, leading to a denial of service...

Security update for python-Twisted

This update for python-Twisted fixes the following issue CVE-2026-42304: Prior to 26.4.0rc2, the twisted.names module is vulnerable to a Denial of Service DoS attack via resource exhaustion during DNS name decompression bsc1265265. Patch Instructions: To install this SUSE update use the SUSE...

SUSE-SU-2026:2219-1 Security update for python-Twisted

This update for python-Twisted fixes the following issue - CVE-2026-42304: Prior to 26.4.0rc2, the twisted.names module is vulnerable to a Denial of Service DoS attack via resource exhaustion during DNS name decompression bsc1265265...

SUSE-SU-2026:2218-1 Security update for python3-Twisted

This update for python3-Twisted fixes the following issue - CVE-2026-42304: Prior to 26.4.0rc2, the twisted.names module is vulnerable to a Denial of Service DoS attack via resource exhaustion during DNS name decompression bsc1265265...

OPENSUSE-SU-2026:20862-1 Security update for python-Twisted

This update for python-Twisted fixes the following issue - CVE-2026-42304: Prior to 26.4.0rc2, the twisted.names module is vulnerable to a Denial of Service DoS attack via resource exhaustion during DNS name decompression bsc1265265...

Amazon Linux 2023 : python3-twisted, python3-twisted+tls (ALAS2023-2026-1734)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1734 advisory. The twisted.names module is vulnerable to a Denial of Service DoS attack via resource exhaustion during DNS name decompression. A remote, unauthenticated attacker can exploit this by sending a crafted...

CVE-2026-42304

Twisted is an event-based framework for internet applications, supporting Python 3.6+. Prior to 26.4.0rc2, the twisted.names module is vulnerable to a Denial of Service DoS attack via resource exhaustion during DNS name decompression. A remote, unauthenticated attacker can exploit this by sending...

CVE-2026-42304: Uncontrolled Resource Consumption

Twisted is an event-based framework for internet applications, supporting Python 3.6+. Prior to 26.4.0rc2, the twisted.names module is vulnerable to a Denial of Service DoS attack via resource exhaustion during DNS name decompression. A remote, unauthenticated attacker can exploit this by sending...