High 7.5Published May 13, 2008

CVE-2008-0166OpenSSL 0.9.8c-1 up to versions before 0.9.8g-9 on Debian-based operating systems uses a random number generator that generates predictable numbers, which makes it easier for remote attackers to cond…

Updated under an hour ago (Nov 2, 2026, 1:40 AM ET)

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OpenSSL 0.9.8c-1 up to versions before 0.9.8g-9 on Debian-based operating systems uses a random number generator that generates predictable numbers, which makes it easier for remote attackers to conduct brute force guessing attacks against cryptographic keys.

CVSS: 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-338
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

openssl openssl openssl:openssl	from 0.9.8c-1 through 0.9.8g	NVD
canonical ubuntu_linux canonical:ubuntu_linux	6.06; 7.04; 7.10; 8.04	NVD
debian debian_linux debian:debian_linux	4.0	NVD

References

References

http://metasploit.com/users/hdm/tools/debian-openssl/	broken-link
http://secunia.com/advisories/30136	broken-link, vendor-advisory
http://secunia.com/advisories/30220	broken-link, vendor-advisory
http://secunia.com/advisories/30221	broken-link, vendor-advisory
http://secunia.com/advisories/30231	broken-link, vendor-advisory
http://secunia.com/advisories/30239	broken-link, vendor-advisory
http://secunia.com/advisories/30249	broken-link, vendor-advisory
http://sourceforge.net/mailarchive/forum.php?thread_name=48367252.7070603%40shemesh.biz&forum_name=rsyncrypto-devel	third-party-advisory
http://www.debian.org/security/2008/dsa-1571	mailing-list, patch, vendor-advisory
http://www.debian.org/security/2008/dsa-1576	mailing-list, patch
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The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.