CVE-2026-27859

A mail message containing excessive amount of RFC 2231 MIME parameters causes LMTP to use too much CPU. A suitably formatted mail message causes mail delivery process to consume large amounts of CPU time. Use MTA capabilities to limit RFC 2231 MIME parameters in mail messages, or upgrade to fixed...

UBUNTU-CVE-2026-27859

A mail message containing excessive amount of RFC 2231 MIME parameters causes LMTP to use too much CPU. A suitably formatted mail message causes mail delivery process to consume large amounts of CPU time. Use MTA capabilities to limit RFC 2231 MIME parameters in mail messages, or upgrade to fixed...

CVE-2026-20084

A vulnerability in the DHCP snooping feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause BOOTP packets to be forwarded between VLANs, resulting in a denial of service DoS condition. This vulnerability is due to improper handling of BOOTP packets on Cisco...

CVE-2026-20084

A vulnerability in the DHCP snooping feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause BOOTP packets to be forwarded between VLANs, resulting in a denial of service DoS condition. This vulnerability is due to improper handling of BOOTP packets on Cisco...

ALPINE-CVE-2026-1519

If a BIND resolver is performing DNSSEC validation and encounters a maliciously crafted zone, the resolver may consume excessive CPU. Authoritative-only servers are generally unaffected, although there are circumstances where authoritative servers may make recursive queries see:...

DEBIAN-CVE-2026-1519

If a BIND resolver is performing DNSSEC validation and encounters a maliciously crafted zone, the resolver may consume excessive CPU. Authoritative-only servers are generally unaffected, although there are circumstances where authoritative servers may make recursive queries see:...

CVE-2026-1519 Excessive NSEC3 iterations cause high CPU load during insecure delegation validation

If a BIND resolver is performing DNSSEC validation and encounters a maliciously crafted zone, the resolver may consume excessive CPU. Authoritative-only servers are generally unaffected, although there are circumstances where authoritative servers may make recursive queries see:...

CVE-2026-1519

Impact: BIND 9 DNSSEC resolvers may consume excessive CPU when validating DNSSEC in a malicious zone. Affected product: BIND 9 series (versions 9.11.0–9.16.50, 9.18.0–9.18.46, 9.20.0–9.20.20, 9.21.0–9.21.19, plus 9.11.3-S1–9.16.50-S1, 9.18.11-S1–9.18.46-S1, and 9.20.9-S1–9.20.20-S1). Root cause: ...

PT-2026-27790

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Software affected versions not specified Description A flaw exists in the DHCP snooping feature that may allow a remote attacker to forward BOOTP packets between VLANs, leading to a denial of service DoS. This is caused by imprope...

Linux Distros Unpatched Vulnerability : CVE-2026-1519

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - If a BIND resolver is performing DNSSEC validation and encounters a maliciously crafted zone, the resolver may consume excessive CPU. Authoritative-only servers...

ISC BIND 9 安全漏洞

ISC BIND 9 is a domain name system software developed by the ISC organization. Vulnerabilities exist in versions of ISC BIND 9 such as 9.16.50 and earlier, 9.18.46 and earlier, 9.20.20 and earlier, 9.21.19 and earlier, 9.16.50-S1 and earlier, 9.18.46-S1 and earlier, and 9.20.20-S1 and earlier...

PT-2026-28168

Name of the Vulnerable Software and Affected Versions Rails versions prior to 8.1.2.1 Rails versions prior to 8.0.4.1 Rails versions prior to 7.2.3.1 Description Active Storage, used for attaching cloud and local files in Rails applications, is susceptible to a denial-of-service condition. The...

Parse Server 安全漏洞

Parse Server is an open-source backend developed by the Parse Platform. It can be deployed on any infrastructure that supports Node.js. There were security vulnerabilities in versions of Parse Server prior to 8.6.56 and 9.6.0-alpha.45. These vulnerabilities stemmed from the LiveQuery component no...

EulerOS 2.0 SP12 : golang (EulerOS-SA-2026-1363)

According to the versions of the golang packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : The Reader.ReadResponse function constructs a response string through repeated string concatenation of lines. When the number of lines in a respon...

EulerOS 2.0 SP11 : python-urllib3 (EulerOS-SA-2026-1619)

According to the versions of the python-urllib3 package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : urllib3 is a user-friendly HTTP client library for Python. Starting in version 1.24 and prior to 2.6.0, the number of links in the...

EulerOS 2.0 SP12 : python-urllib3 (EulerOS-SA-2026-1378)

According to the versions of the python-urllib3 package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : urllib3 is a user-friendly HTTP client library for Python. Starting in version 1.24 and prior to 2.6.0, the number of links in the...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: python-urllib3 (UTSA-2026-006157)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006157 advisory. urllib3 is a user-friendly HTTP client library for Python. Starting in version 1.24 and prior to 2.6.0, the number of links in the decompression chain was unbounded...

golang: archive/zip: Excessive CPU consumption when building archive index in archive/zip

A flaw was found in the archive/zip package in the Go standard library. A super-linear file name indexing algorithm is used in the first time a file in an archive is opened. A crafted zip archive containing a specific arrangement of file names can cause an excessive CPU and memory consumption. A ...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: resource-agents (UTSA-2026-005593)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005593 advisory. urllib3 is a user-friendly HTTP client library for Python. Starting in version 1.24 and prior to 2.6.0, the number of links in the decompression chain was unbounded...

CVE-2026-23220: Loop with Unreachable Exit Condition

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix infinite loop caused by nextsmb2rcvhdroff reset in error paths The problem occurs when a signed request fails smb2 signature verification check. In processrequest, if checksignreq returns an error, setsmb2rspstatuswork...