PYSEC-2026-1923 sigstore has insufficient validation of integration timestamp during verification

Summary Versions of sigstore-python newer than 2.0.0 but prior to 3.6.0 perform insufficient validation of the "integration time" present in "v2" and "v3" bundles during the verification flow: the "integration time" is verified if a source of signed time such as an inclusion promise is present, b...

git: Git arbitrary file writes

A bundled uri handling flaw was found in Git. When cloning a repository, Git knows to optionally fetch a bundle advertised by the remote server, which allows the server side to offload parts of the clone to a CDN. The Git client does not perform sufficient validation of the advertised bundles,...

CVE-2024-45395 Unbounded loop over untrusted input can lead to endless data attack

sigstore-go, a Go library for Sigstore signing and verification, is susceptible to a denial of service attack in versions prior to 0.6.1 when a verifier is provided a maliciously crafted Sigstore Bundle containing large amounts of verifiable data, in the form of signed transparency log entries, R...