DescriptionA flaw was found in the python-cryptography package. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1059308

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
python-cryptography (PTS)buster2.6.1-3+deb10u2vulnerable
buster (security)2.6.1-3+deb10u4vulnerable
bookworm (security)38.0.4-3~deb12u1vulnerable
trixie, sid41.0.7-4vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[bookworm] - python-cryptography <no-dsa> (Minor issue)
[bullseye] - python-cryptography <no-dsa> (Minor issue)
[buster] - python-cryptography <no-dsa> (Minor issue; it's an incomplete fix of CVE-2020-25659)
CVE is for incomplete fix of CVE-2020-25659

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