CVE-2019-3863
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 3.4%
exploitation probability
3.4%top 12% of all CVEs
observed exploitation
nono source reports it
A flaw was found in libssh2 before 1.8.1 creating a vulnerability on the SSH client side. A server could send a multiple keyboard interactive response messages whose total length are greater than unsigned char max characters. This value is used by the SSH client as an index to copy memory causing in an out of bounds memory write error.
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
The libssh2 Project · libssh2References
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.htmlhttps://access.redhat.com/errata/RHSA-2019:0679https://access.redhat.com/errata/RHSA-2019:1175https://access.redhat.com/errata/RHSA-2019:1652https://access.redhat.com/errata/RHSA-2019:1791https://access.redhat.com/errata/RHSA-2019:1943https://access.redhat.com/errata/RHSA-2019:2399https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3863https://lists.debian.org/debian-lts-announce/2019/03/msg00032.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/https://seclists.org/bugtraq/2019/Apr/25