UBUNTU-CVE-2026-12259

In nltk version 3.9.4, the nltk.downloader.Downloader.downloadpackage function writes downloaded package bytes to disk and may extract them before enforcing SHA-256 or MD5 checksum validation. This allows an attacker to tamper with the package response body for info.url through a compromised...

melange: Incomplete package integrity verification allows data section substitution

Previously, Apko verified the control section hash .PKGINFO etc. against the signed APKINDEX, but never verified the data section hash the actual package files that get installed. An attacker who could compromise a mirror, poison a cache, or MITM a package fetch could substitute arbitrary file...

apko doesn't verify downloaded apk packages against APKINDEX checksum (package substitution possible)

apko verifies the signature on APKINDEX.tar.gz but never compares individually downloaded .apk packages against the checksum recorded in the signed index. The checksum is parsed and available via ChecksumString, and the downloaded package control hash is computed, but the two values are never...

CVE-2024-11681 Remote Code Execution in MacPorts

A malicious or compromised MacPorts mirror can execute arbitrary commands as root on the machine of a client running port selfupdate against the mirror...

SUSE CVE-2019-1000014

Erlang/OTP Rebar3 version 3.7.0 through 3.7.5 contains a Signing oracle vulnerability in Package registry verification that can result in Package modifications not detected, allowing code execution. This attack appears to be exploitable via Victim fetches packages from malicious/compromised mirro...