CVE-2019-3860
Critical
CVE-2019-3860
An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SFTP packets with empty payloads 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.
Exploit probability
5.1%
Published
March 25, 2019
Required by
Not available
Last source change
August 7, 2026
02 / AFFECTED SOFTWARE
Affected packages
36 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2019-3860
View original source
An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SFTP packets with empty payloads 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.
05 / REFERENCES
Further evidence
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00072.html
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3860
- https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html
- https://lists.debian.org/debian-lts-announce/2019/07/msg00028.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/
- https://seclists.org/bugtraq/2019/Apr/25
- https://security.netapp.com/advisory/ntap-20190327-0005/
- https://www.debian.org/security/2019/dsa-4431
- https://www.libssh2.org/CVE-2019-3860.html
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html