The Miller-Rabin primality check in Botan before 1.10.8 and 1.11.x before 1.11.9 improperly uses a single random base, which makes it easier for remote attackers to defeat cryptographic protection mechanisms via a DH group.
CVE-2014-9742
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2022-05-17. NVD baseline CVSS 7.5; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EG Risk
- 39(Track)EG Risk 39/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity75% × 45%Exploitation1% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 1%
- EPSS %ILE
- 72%
- KEV
- Not listed
Published
May 13, 2016
Last Modified
June 17, 2026
References (4)
- cve@mitrehttp://botan.randombit.net/security.html
- cve@mitrehttp://marc.info/?l=botan-devel&m=139717503205066&w=2
- af854a3a-2127-422b-91ae-364da2661108http://botan.randombit.net/security.html
- af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=botan-devel&m=139717503205066&w=2
Affected Packages
(1 across 1 ecosystem)
Debian:7(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| botan1.10 | 1.10.5-1 | 1.10.5-1+deb7u1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 4× in last 7d / 18× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 136 total refreshes for this CVE.
- 2026-09-18 19:22 UTCEPSS rescore
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Related CVEs(same CWE)
Same CWE
10 shownCWE-310
- CVE-2014-8686EG 9.8EPSS p98CRITICAL
- CVE-2014-8684EG 9.8EPSS p99CRITICAL
- CVE-2015-9107EG 9.8EPSS p91CRITICAL
- CVE-2016-0897EG 9.8CRITICAL
- CVE-2015-8805EG 9.8CRITICAL
- CVE-2015-8804EG 9.8EPSS p90CRITICAL
- CVE-2015-8803EG 9.8EPSS p91CRITICAL
- CVE-2004-2761EG 9.8EPSS p95CRITICAL
- CVE-2015-7923EG 9.0CRITICAL
- CVE-2015-4000NVD 3.7EG 9.0EPSS p100CRITICAL
Frequently asked(5)
What is CVE-2014-9742?
When was CVE-2014-9742 disclosed?
Is CVE-2014-9742 actively exploited?
What is the CVSS score of CVE-2014-9742?
How do I remediate CVE-2014-9742?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2014-9742
Is Your Infrastructure Affected by CVE-2014-9742?
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