CVE-2024-2236

A timing-based side-channel flaw was found in libgcrypt's RSA implementation. This issue may allow a remote attacker to initiate a Bleichenbacher-style attack, which can lead to the decryption of RSA ciphertexts.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
redhatCNA
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVEADP
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CISA-ADPADP
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 45%
Debian logo
Debian Releases
Debian Product
Codename
libgcrypt20
bullseye
unimportant
bookworm
unimportant
sid
unimportant
trixie
unimportant
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libgcrypt11
plucky
dne
oracular
dne
noble
dne
mantic
dne
jammy
dne
focal
dne
trusty
deferred
libgcrypt20
plucky
deferred
oracular
deferred
noble
deferred
mantic
ignored
jammy
deferred
focal
deferred
bionic
deferred
xenial
deferred
Common Weakness Enumeration
References
https://access.redhat.com/errata/RHSA-2024:9404
https://access.redhat.com/errata/RHSA-2025:3530
https://access.redhat.com/errata/RHSA-2025:3534
https://access.redhat.com/security/cve/CVE-2024-2236
https://bugzilla.redhat.com/show_bug.cgi?id=2245218
https://access.redhat.com/security/cve/CVE-2024-2236
https://bugzilla.redhat.com/show_bug.cgi?id=2245218
https://bugzilla.redhat.com/show_bug.cgi?id=2268268