UBUNTU-CVE-2026-48791

sigstore-java is a sigstore java client for interacting with sigstore infrastructure. Version 2.0.0 erroneously removed verification of the integrated Rekor entry time against the Fulcio certificate. Version 2.1.0 re-added this verification with enhancements that adhere to the Sigstore verificati...

CVE-2026-48791

CVE-2026-48791 affects dev.sigstore:sigstore-java:2.0.0. The vulnerability arises from missing verification of the integratedTime (Rekor) against the Fulcio certificate during bundle verification, later re-added with fixes in 2.1.0. The issue is limited to users verifying bundles with 2.0.0; 2.1....

CVE-2026-48791 Sigstore Java has a vulnerability with bundle verification of integratedTime

sigstore-java is a sigstore java client for interacting with sigstore infrastructure. Version 2.0.0 erroneously removed verification of the integrated Rekor entry time against the Fulcio certificate. Version 2.1.0 re-added this verification with enhancements that adhere to the Sigstore verificati...

CVE-2026-48791 Sigstore Java has a vulnerability with bundle verification of integratedTime

sigstore-java is a sigstore java client for interacting with sigstore infrastructure. Version 2.0.0 erroneously removed verification of the integrated Rekor entry time against the Fulcio certificate. Version 2.1.0 re-added this verification with enhancements that adhere to the Sigstore verificati...

github.com/sigstore/sigstore-go: sigstore-go: Signature bypass allows acceptance of bundles signed with expired keys

A flaw was found in sigstore-go, a software library used for verifying digital signatures. This vulnerability specifically affects the workflow for self-managed long-lived signing keys that do not use certificates. An attacker who possesses an expired signing key can exploit this by creating and...

github.com/sigstore/sigstore-go: sigstore-go: Signature bypass allows acceptance of bundles signed with expired keys

A flaw was found in sigstore-go, a software library used for verifying digital signatures. This vulnerability specifically affects the workflow for self-managed long-lived signing keys that do not use certificates. An attacker who possesses an expired signing key can exploit this by creating and...

Sigstore Java has a vulnerability with bundle verification of integratedTime

Summary Regression: Verification of integratedTime from Rekor V1 Log Entry against Fuclio Certificate validity was missing Details - PR 1008 erroneously removed verification of the integrated Rekor entry time against the Fulcio certificate. - PR 1185 re-added this verification with enhancements...

GHSA-QQW8-7C2R-JXCH Sigstore Java has a vulnerability with bundle verification of integratedTime

Summary Regression: Verification of integratedTime from Rekor V1 Log Entry against Fuclio Certificate validity was missing Details - PR 1008 erroneously removed verification of the integrated Rekor entry time against the Fulcio certificate. - PR 1185 re-added this verification with enhancements...

Cosign verification accepts any valid Rekor entry under certain conditions

Impact A Cosign bundle can be crafted to successfully verify an artifact even if the embedded Rekor entry does not reference the artifact's digest, signature or public key. When verifying a Rekor entry, Cosign verifies the Rekor entry signature, and also compares the artifact's digest, the user's...

GHSA-JP26-88MW-89QR sigstore-java has a vulnerability with bundle verification

Summary sigstore-java has insufficient verification for a situation where a bundle provides a invalid signature for a checkpoint. Impact This bug impacts clients using any variation of KeylessVerifier.verify Currently checkpoints are only used to ensure the root hash of an inclusion proof was...

sigstore-java has a vulnerability with bundle verification

Summary sigstore-java has insufficient verification for a situation where a bundle provides a invalid signature for a checkpoint. Impact This bug impacts clients using any variation of KeylessVerifier.verify Currently checkpoints are only used to ensure the root hash of an inclusion proof was...

CVE-2024-54140 sigstore-java has a vulnerability with bundle verification

sigstore-java is a sigstore java client for interacting with sigstore infrastructure. sigstore-java has insufficient verification for a situation where a bundle provides a invalid signature for a checkpoint. This bug impacts clients using any variation of KeylessVerifier.verify. Currently...

CVE-2024-53267 Vulnerability with bundle verification in sigstore-java

sigstore-java is a sigstore java client for interacting with sigstore infrastructure. sigstore-java has insufficient verification for a situation where a validly-signed but "mismatched" bundle is presented as proof of inclusion into a transparency log. This bug impacts clients using any variation...

CVE-2024-53267 Vulnerability with bundle verification in sigstore-java

sigstore-java is a sigstore java client for interacting with sigstore infrastructure. sigstore-java has insufficient verification for a situation where a validly-signed but "mismatched" bundle is presented as proof of inclusion into a transparency log. This bug impacts clients using any variation...

CVE-2024-53267 Vulnerability with bundle verification in sigstore-java

sigstore-java is a sigstore java client for interacting with sigstore infrastructure. sigstore-java has insufficient verification for a situation where a validly-signed but "mismatched" bundle is presented as proof of inclusion into a transparency log. This bug impacts clients using any variation...

sigstore-java has vulnerability with bundle verification

Summary sigstore-java has insufficient verification for a situation where a validly-signed but "mismatched" bundle is presented as proof of inclusion into a transparency log Impact This bug impacts clients using any variation of KeylessVerifier.verify The verifier may accept a bundle with an...

GHSA-Q4XM-6FJC-5F6W sigstore-java has vulnerability with bundle verification

Summary sigstore-java has insufficient verification for a situation where a validly-signed but "mismatched" bundle is presented as proof of inclusion into a transparency log Impact This bug impacts clients using any variation of KeylessVerifier.verify The verifier may accept a bundle with an...

K000141041: GnuTLS vulnerabilities CVE-2024-28834 and CVE-2024-28835

Security Advisory Description CVE-2024-28834 A flaw was found in GnuTLS. The Minerva attack is a cryptographic vulnerability that exploits deterministic behavior in systems like GnuTLS, leading to side-channel leaks. In specific scenarios, such as when using the GNUTLSPRIVKEYFLAGREPRODUCIBLE flag...

USN-6733-1 gnutls28 vulnerabilities

It was discovered that GnuTLS had a timing side-channel when performing certain ECDSA operations. A remote attacker could possibly use this issue to recover sensitive information. CVE-2024-28834 It was discovered that GnuTLS incorrectly handled verifying certain PEM bundles. A remote attacker cou...