CVE-2011-0539
HIGH7.5EPSS 2.1%Published: 2/10/2011Modified: 5/30/2026
Also known as:DEBIAN-CVE-2011-0539
Description
The key_certify function in usr.bin/ssh/key.c in OpenSSH 5.6 and 5.7, when generating legacy certificates using the -t command-line option in ssh-keygen, does not initialize the nonce field, which might allow remote attackers to obtain sensitive stack memory contents or make it easier to conduct hash collision attacks.
Affected packages (1)
- Debian/opensshfrom 0, < 1:5.8p1-2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |