CVE-2024-2236

EUVD-2024-27192
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
NISTPrimary
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
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 67%
Debian logo
Debian Releases
Debian Product
Codename
libgcrypt20
bookworm
unimportant
bullseye
unimportant
forky
unimportant
sid
unimportant
trixie
unimportant
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libgcrypt11
focal
dne
jammy
dne
mantic
dne
noble
dne
oracular
dne
plucky
dne
questing
dne
trusty
deferred
libgcrypt20
bionic
deferred
focal
deferred
jammy
deferred
mantic
ignored
noble
deferred
oracular
ignored
plucky
deferred
questing
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