CVE-2026-16560

A heap-buffer-overflow flaw was found in Directory Server 389-ds-base. When a DN contains a legacy-quoted value, the server won't close the heap allocation allowing another call to refer to the same memory pointer causing a denial of service or an arbitrary memory write operation. Mitigation Deni...

setuptools: setuptools: MANIFEST.in exclusion bypass in sdist via Unicode normalization collision (NFC/NFD)

A flaw was found in setuptools, a Python package management tool. The FileList component, responsible for handling file exclusions, did not properly normalize Unicode file names when applying exclusion rules. This oversight could allow a specially crafted file name, using a different Unicode...

CVE-2026-14940

A heap-buffer-overflow flaw was found in 389 Directory Server 389-ds-base. When normalizing a Distinguished Name DN that contains a legacy-quoted value encoding a multivalued nested Relative Distinguished Name RDN, the server can write past the end of a heap allocation while sorting RDN...

UBUNTU-CVE-2026-14940

A heap-buffer-overflow flaw was found in 389 Directory Server 389-ds-base. When normalizing a Distinguished Name DN that contains a legacy-quoted value encoding a multivalued nested Relative Distinguished Name RDN, the server can write past the end of a heap allocation while sorting RDN...

EUVD-2026-42042

A heap-buffer-overflow flaw was found in 389 Directory Server 389-ds-base. When normalizing a Distinguished Name DN that contains a legacy-quoted value encoding a multivalued nested Relative Distinguished Name RDN, the server can write past the end of a heap allocation while sorting RDN...

CVE-2026-14940

Affected software/component: 389 Directory Server (389-ds-base). Vulnerability: heap-buffer-overflow in DN normalization when processing a legacy-quoted value encoding a multivalued nested RDN, causing writes past the end of a heap allocation. Attack scenario: an unauthenticated remote attacker c...

Linux Distros Unpatched Vulnerability : CVE-2026-14940

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A heap-buffer-overflow flaw was found in 389 Directory Server 389-ds-base. When normalizing a Distinguished Name DN that contains a legacy-quoted value encoding...

cpython: cpython: `tarfile` module misinterprets crafted tar archives leading to data integrity issues

A flaw was found in the tarfile module of cpython. This vulnerability allows a remote attacker to craft a malicious tar archive that, when processed, could be misinterpreted by the tarfile module. This misinterpretation occurs because the module incorrectly applies normalization of AREGTYPE block...

Hesperus Is Phosphorus: Mapping Threat Actor Naming Taxonomies at Scale

This paper studies the problem of Threat Actor TA naming convention inconsistency across leading Cyber Threat Intelligence CTI vendors. The current decentralized and proprietary nomenclature creates confusion and significant obstacles for researchers, including difficulties in integrating and...

BIT-MASTODON-2023-42451 Mastodon Invalid Domain Name Normalization vulnerability

Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 3.5.14, 4.0.10, 4.1.8, and 4.2.0, under certain circumstances, attackers can exploit a flaw in domain name normalization to spoof domains they do not own. Versions 3.5.14, 4.0.10, 4.1.8, and 4.2.0 contai...

PT-2023-7360 · Mastodon · Mastodon

Name of the Vulnerable Software and Affected Versions: Mastodon versions prior to 3.5.14 Mastodon versions prior to 4.0.10 Mastodon versions prior to 4.1.8 Mastodon versions prior to 4.2.0-rc2 Description: The issue is related to a flaw in domain name normalization, which can be exploited by...

apache-commons-io: Limited path traversal in Apache Commons IO 2.2 to 2.6

In Apache Commons IO before 2.7, When invoking the method FileNameUtils.normalize with an improper input string, like "//../foo", or "\..\foo", the result would be the same value, thus possibly providing access to files in the parent directory, but not further above thus "limited" path traversal,...

GHSA-GWRP-PVRQ-JMWV Path Traversal and Improper Input Validation in Apache Commons IO

In Apache Commons IO before 2.7, When invoking the method FileNameUtils.normalize with an improper input string, like "//../foo", or "\..\foo", the result would be the same value, thus possibly providing access to files in the parent directory, but not further above thus "limited" path traversal,...

UBUNTU-CVE-2021-29425

In Apache Commons IO before 2.7, When invoking the method FileNameUtils.normalize with an improper input string, like "//../foo", or "\..\foo", the result would be the same value, thus possibly providing access to files in the parent directory, but not further above thus "limited" path traversal,...