CVE-2019-3861
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2019-3861
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-3861.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2019-3861
- Downstream
- Related
- Published
- 2019-03-25T19:29:01Z
- Modified
- 2025-10-15T10:58:29.105293Z
- Severity
-
- 9.1 (Critical) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SSH packets with a padding length value greater than the packet length are parsed. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.
- References
-
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html
- https://access.redhat.com/errata/RHSA-2019:2136
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3861
- https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html
- https://security.netapp.com/advisory/ntap-20190327-0005/
- https://www.debian.org/security/2019/dsa-4431
- https://www.libssh2.org/CVE-2019-3861.html
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/
- https://seclists.org/bugtraq/2019/Apr/25
Affected packages
Git / github.com/libssh2/libssh2
Affected versions
RELEASE.*
RELEASE.0.15
RELEASE.0.16
RELEASE.0.17
RELEASE.0.18
RELEASE.1.0
RELEASE.1.1
libssh2-1.*
libssh2-1.2
libssh2-1.2.1
libssh2-1.2.2
libssh2-1.2.3
libssh2-1.2.4
libssh2-1.2.5
libssh2-1.2.6
libssh2-1.2.7
libssh2-1.2.8
libssh2-1.2.9
libssh2-1.3.0
libssh2-1.4.0
libssh2-1.4.1
libssh2-1.4.2
libssh2-1.4.3
libssh2-1.5.0
libssh2-1.6.0
libssh2-1.7.0
libssh2-1.8.0