CVE-2019-3863
- State
- Published
- Severity
- 7.5 High
- Published
- Mar 25, 2019
- Updated
- Oct 14, 2026
- Reserved
- Jan 3, 2019
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.0 | 7.5 High | CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H | redhat |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
libssh2The libssh2 Project |
|
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3863
- https://www.libssh2.org/CVE-2019-3863.html
- [debian-lts-announce] 20190326 [SECURITY] [DLA 1730-1] libssh2 security updatemailing-list
- https://security.netapp.com/advisory/ntap-20190327-0005/
- RHSA-2019:0679vendor-advisory
- openSUSE-SU-2019:1075vendor-advisory
- openSUSE-SU-2019:1109vendor-advisory
- FEDORA-2019-3348cb4934vendor-advisory
- DSA-4431vendor-advisory
- 20190415 [SECURITY] [DSA 4431-1] libssh2 security updatemailing-list
- RHSA-2019:1175vendor-advisory
- RHSA-2019:1652vendor-advisory
- RHSA-2019:1791vendor-advisory
- RHSA-2019:1943vendor-advisory
- RHSA-2019:2399vendor-advisory
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
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