CRITICAL
lib/libc/stdlib/random.c in OpenBSD returns 0 when seeded with 0
Published Dec 10, 2019
9.8
CRITICALCVSS 3.1
EPSS 1.55%
Description
lib/libc/stdlib/random.c in OpenBSD returns 0 when seeded with 0.
Affected products
-
- Version before 0.33StatusaffectedConstraints-
- Version
Configuration 1
OR
- n/a
- n/a
Configuration 2
OR
- 8.0
- 9.0
- 10.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
9.8 CRITICAL NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
No CVSS v3.0 score for this CVE.
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.55% 0.01550
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01550
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.55% (0.01550) | 74.17th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.55% (0.01550) | 71.77th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.91% (0.00914) | 74.26th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.94% (0.00935) | 83.71th | v3 (v2023.03.01) |
| May 4, 2024 | 1.35% (0.01346) | 86.03th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.35% (0.01346) | 84.02th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
Weaknesses (1)
References (4)
- http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/lib/libc/stdlib/random.c#rev1.16 x_refsource_CONFIRMVendor Advisory
- http://www.openwall.com/lists/oss-security/2012/03/23/14 x_refsource_MISCMailing ListThird Party Advisory
- https://github.com/ensc/dietlibc/blob/master/CHANGES x_refsource_MISCThird Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2012-1577 x_refsource_MISCThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/lib/libc/stdlib/random.c#rev1.16 | x_refsource_CONFIRMVendor Advisory | |
| http://www.openwall.com/lists/oss-security/2012/03/23/14 | x_refsource_MISCMailing ListThird Party Advisory | |
| https://github.com/ensc/dietlibc/blob/master/CHANGES | x_refsource_MISCThird Party Advisory | |
| https://security-tracker.debian.org/tracker/CVE-2012-1577 | x_refsource_MISCThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Dec 10, 2019
Updated Aug 6, 2024
Reserved Mar 12, 2012
Link CVE-2012-1577
CISA Vulnrichment
Updated n/a