View at Official debian advisory, NVD, CVE.org · CVE detail
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2020-25657 not yet assigned priority: Debian including 1 source packages (m2crypto), 3 status rows across 3 suites (bookworm, bullseye, trixie): resolved 2, open 1.
A flaw was found in all released versions of m2crypto, where they are vulnerable to Bleichenbacher timing attacks in the RSA decryption API via the timed processing of valid PKCS#1 v1.5 Ciphertext. The highest threat from this vulnerability is to confidentiality.