CVE-2023-35784

Concretely affected software and fixes: OpenBSD 7.2 before errata 026 and OpenBSD 7.3 before errata 004 are vulnerable due to a double free or use-after-free after SSL_clear; LibreSSL is vulnerable before 3.6.3 and before 3.7.3 in the 3.7.x line. Remediation is to apply the respective OpenBSD err...

CVE-2015-5334

CVE-2015-5334 is described in CNVD as an off-by-one buffer overflow in LibreSSL’s OBJ_obj2txt() that can be triggered by a crafted X.509 certificate, potentially causing a denial of service or remote code execution. The flaw is attributed to an incorrect fix for CVE-2014-3508. The initial CVE ent...

CVE-2015-5333

CVE-2015-5333 affects LibreSSL prior to 2.3.1. A memory leak in OBJ_obj2txt can be triggered by a large number of ASN.1 object identifiers in X.509 certificates, enabling a remote attacker to cause denial of service via memory consumption. Public sources in the connected documents consistently de...

CVE-2021-46880

The CVE-2021-46880 issue affects LibreSSL before 3.4.2 and OpenBSD before 7.0 errata 006, where an error for an unverified certificate chain is sometimes discarded during x509_verify.c processing, allowing authentication bypass. This is documented as a high-impact vulnerability with CVSS 3.1 vect...

CVE-2022-48437

CVE-2022-48437 affects LibreSSL prior to 3.6.1 and OpenBSD prior to 7.2 with errata 001. The issue is in x509/x509_verify.c where x509_verify_ctx_add_chain does not store errors that occur during leaf certificate verification, causing an incorrect error to be returned when a verification callback...

CVE-2018-12434

CVE-2018-12434 affects LibreSSL up to 2.6.5 and 2.7.x up to 2.7.4, enabling a memory-cache side-channel (ROHNP) during DSA/ECDSA signature generation. An attacker with local access or co-residency on the same physical host can potentially recover a private key. The disclosures in the connected Re...