lib/libc/stdlib/random.c in OpenBSD returns 0 when seeded with 0.
Priority MEDIUM 45CWE-335Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
lib/libc/stdlib/random.c in OpenBSD returns 0 when seeded with 0.
Why it matters now
EPSS 0.0155 75th percentileScored 2026-11-07
Fix Fixed dietlibc (dietlibc): 0.33
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| dietlibc | dietlibc | before 0.33 | 0.33 | Patch available | CNA |
- dietlibc Vendordietlibc Affected before 0.33 Fixed in 0.33 Patch available CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:dietlibc_project:dietlibc:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Dietlibc Project |
| cpe:2.3:o:openbsd:openbsd:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | OpenBSD |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
- cpe:2.3:a:dietlibc_project:dietlibc:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Dietlibc Project
- cpe:2.3:o:openbsd:openbsd:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·OpenBSD
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
Remediation
- Fix · CNA dietlibc (dietlibc) Fixed in 0.33
Timeline
- 2026-10-02 Threatist record created from CVE-2012-1577
- 2026-10-03 Alias added: GHSA-7542-v6gh-mfvw
References
Sources
- CVE-2012-1577 · CVE Program
- CVE-2012-1577 · NVD
- FIRST EPSS
- GHSA-7542-v6gh-mfvw · GitHub Advisory Database · CC BY 4.0
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