The decode method in the OpenSSL::ASN1 module in Ruby before 2.2.8, 2.3.x before 2.3.5, and 2.4.x through 2.4.1 allows attackers to cause a denial of service (interpreter crash) via a crafted string.
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This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 8.4%, top 8% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
The decode method in the OpenSSL::ASN1 module in Ruby before 2.2.8, 2.3.x before 2.3.5, and 2.4.x through 2.4.1 allows attackers to cause a denial of service (interpreter crash) via a crafted string.
September 19, 2017
May 13, 2026
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | ruby1.9.3 (1.9.3.484-2ubuntu1.5) @ trusty | 2026-05-22 | ubuntu |
| ubuntu | ruby2.3-tcltk (2.3.1-2~16.04.5) @ xenial | 2026-05-22 | ubuntu |
| redhat | rh-ruby22-ruby-0:2.2.9-19.el7 | 2018-03-26 | redhat |
| redhat | rh-ruby23-ruby-0:2.3.6-67.el7 | 2018-03-26 | redhat |
| redhat | ruby-0:2.0.0.648-33.el7_4 | 2018-02-28 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| openssl | 2.0.0.beta.1, 2.0.0.beta.2 | 2.0.0 | — |
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
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redhat · ubuntu