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osvGoogleOSV:ALSA-2023:6643
HistoryNov 07, 2023 - 12:00 a.m.

Moderate: libssh security update

2023-11-0700:00:00
Google
osv.dev
7
libssh
security update
ssh protocol
client
server
cve-2023-1667
cve-2023-2283
authorization bypass
rekeying
algorithm guessing
cvss score
almalinux
release notes

6.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

49.2%

libssh is a library which implements the SSH protocol. It can be used to implement client and server applications.

Security Fix(es):

  • libssh: NULL pointer dereference during rekeying with algorithm guessing (CVE-2023-1667)
  • libssh: authorization bypass in pki_verify_data_signature (CVE-2023-2283)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.