CVE-2026-5439

A memory exhaustion vulnerability exists in ZIP archive processing. Orthanc automatically extracts ZIP archives uploaded to certain endpoints and trusts metadata fields describing the uncompressed size of archived files. An attacker can craft a small ZIP archive containing a forged size value,...

CVE-2026-40157

PraisonAI is a multi-agent teams system. Prior to 4.5.128, cmdunpack in the recipe CLI extracts .praison tar archives using raw tar.extract without validating archive member paths. A .praison bundle containing ../../ entries will write files outside the intended output directory. An attacker who...

Directory Traversal

Overview gdown is a Google Drive Public File/Folder Downloader Affected versions of this package are vulnerable to Directory Traversal via the extractall function. An attacker can overwrite arbitrary files on the file system by supplying a maliciously crafted ZIP or TAR archive containing path...

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 ...

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...

Directory Traversal

Overview Affected versions of this package are vulnerable to Directory Traversal via the removeUnusedAttributeView process. An attacker can delete arbitrary .json files within the workspace by supplying crafted path traversal sequences in the id parameter, allowing removal of files outside the...

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...

Logstash 8.x < 8.19.14 / 9.x < 9.2.8 / 9.3.x < 9.3.3 Path Traversal (ESA-2026-29)

The version of Logstash installed on the remote host is 8.x prior to 8.19.14, 9.x prior to 9.2.8, or 9.3.x prior to 9.3.3. It is, therefore, affected by a path traversal vulnerability: - The archive extraction utilities used by Logstash do not properly validate file paths within compressed...

CVE-2026-39307

PraisonAI is a multi-agent teams system. Prior to 1.5.113, The PraisonAI templates installation feature is vulnerable to a "Zip Slip" Arbitrary File Write attack. When downloading and extracting template archives from external sources e.g., GitHub, the application uses Python's zipfile.extractall...

UAT-10362 Targets Taiwanese NGOs with LucidRook Malware in Spear-Phishing Campaigns

A previously undocumented threat cluster dubbed UAT-10362 has been attributed to spear-phishing campaigns targeting Taiwanese non-governmental organizations NGOs and suspected universities to deploy a new Lua-based malware called LucidRook. "LucidRook is a sophisticated stager that embeds a Lua...

DEBIAN-CVE-2026-5439

A memory exhaustion vulnerability exists in ZIP archive processing. Orthanc automatically extracts ZIP archives uploaded to certain endpoints and trusts metadata fields describing the uncompressed size of archived files. An attacker can craft a small ZIP archive containing a forged size value,...

CVE-2026-5439

A memory exhaustion vulnerability exists in ZIP archive processing. Orthanc automatically extracts ZIP archives uploaded to certain endpoints and trusts metadata fields describing the uncompressed size of archived files. An attacker can craft a small ZIP archive containing a forged size value,...

UBUNTU-CVE-2026-5439

A memory exhaustion vulnerability exists in ZIP archive processing. Orthanc automatically extracts ZIP archives uploaded to certain endpoints and trusts metadata fields describing the uncompressed size of archived files. An attacker can craft a small ZIP archive containing a forged size value,...

CVE-2026-5439 Memory Exhaustion via Forged ZIP Metadata

A memory exhaustion vulnerability exists in ZIP archive processing. Orthanc automatically extracts ZIP archives uploaded to certain endpoints and trusts metadata fields describing the uncompressed size of archived files. An attacker can craft a small ZIP archive containing a forged size value,...

CVE-2026-5439 Memory Exhaustion via Forged ZIP Metadata

A memory exhaustion vulnerability exists in ZIP archive processing. Orthanc automatically extracts ZIP archives uploaded to certain endpoints and trusts metadata fields describing the uncompressed size of archived files. An attacker can craft a small ZIP archive containing a forged size value,...

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 ...

PT-2026-31787

Name of the Vulnerable Software and Affected Versions PraisonAI versions prior to 4.5.128 Description PraisonAI is a multi-agent teams system. The safe extractall function in the recipe registry validates archive members against path traversal attacks but does not check individual member sizes,...

PT-2026-31628

A memory exhaustion vulnerability exists in ZIP archive processing. Orthanc automatically extracts ZIP archives uploaded to certain endpoints and trusts metadata fields describing the uncompressed size of archived files. An attacker can craft a small ZIP archive containing a forged size value,...

Orthanc 安全漏洞

Orthanc is a free open-source software developed by the Orthanc company. Orthanc has a security vulnerability, which stems from a memory exhaustion issue when processing ZIP archives. This issue may lead to the server allocating excessive buffer space during extraction processes...

Linux Distros Unpatched Vulnerability : CVE-2026-5439

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A memory exhaustion vulnerability exists in ZIP archive processing. Orthanc automatically extracts ZIP archives uploaded to certain endpoints and trusts metadat...