What’s Vulnerable › Vulnerabilities

CVE-2012-1577

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-12-10 · updated 2026-06-16
• Weakness: CWE-335

Description

lib/libc/stdlib/random.c in OpenBSD returns 0 when seeded with 0.

Affected products

• Debian Linux: 8.0, 9.0, 10.0
• Dietlibc Project Dietlibc: all versions
• OpenBSD: all versions

References

• http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/lib/libc/stdlib/random.c#rev1.16
• http://www.openwall.com/lists/oss-security/2012/03/23/14
• https://github.com/ensc/dietlibc/blob/master/CHANGES
• https://security-tracker.debian.org/tracker/CVE-2012-1577
• http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/lib/libc/stdlib/random.c#rev1.16
• http://www.openwall.com/lists/oss-security/2012/03/23/14
• https://github.com/ensc/dietlibc/blob/master/CHANGES
• https://security-tracker.debian.org/tracker/CVE-2012-1577

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