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CVE-2016-7798
The openssl gem for Ruby uses the same initialization vector (IV) in GCM Mode (aes-*-gcm) when the IV is set before the key, which makes…
High7.5EPSS 3.2%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The openssl gem for Ruby uses the same initialization vector (IV) in GCM Mode (aes-*-gcm) when the IV is set before the key, which makes it easier for context-dependent attackers to bypass the encryption protection mechanism.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 3.2% · top 12% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- RubyGemsopensslGHSA-6h88-qjpv-p32m (opens in a new tab)
References (8)
- [oss-security] 20160930 Re: CVE Request - Ruby OpenSSL Library - IV Reuse in GCM Mode (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- DSA-3966 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- https://github.com/ruby/openssl/commit/8108e0a6db133f3375608303fdd2083eb5115062 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20160930 Re: CVE Request - Ruby OpenSSL Library - IV Reuse in GCM Mode (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [debian-lts-announce] 20180714 [SECURITY] [DLA 1421-1] ruby2.1 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20160919 CVE Request - Ruby OpenSSL Library - IV Reuse in GCM Mode (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 93031 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://github.com/ruby/openssl/issues/49 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-6h88-qjpv-p32m (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .