CVE-2019-3859
critical
CVSS v3
—
CVSS v2
—
VIR risk
9.5
Description
An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the _libssh2_packet_require and _libssh2_packet_requirev functions. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2019-3859
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2019-3859.html
Vendor advisory: arch — https://security.archlinux.org/ASA-201903-12
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 1.8.1-1 | |
| sles | affected | | |
| debian | bookworm | fixed | 1.8.0-2.1 |
| debian | bullseye | fixed | 1.8.0-2.1 |
| debian | forky | fixed | 1.8.0-2.1 |
| debian | sid | fixed | 1.8.0-2.1 |
| debian | trixie | fixed | 1.8.0-2.1 |
References
Verify integrity in audit chain (admin only). AS-IS.