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CVE-2016-6313
The mixing functions in the random number generator in Libgcrypt before 1.5.6, 1.6.x before 1.6.6, and 1.7.x before 1.7.3 and GnuPG before…
Medium5.3EPSS 3.6%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
The mixing functions in the random number generator in Libgcrypt before 1.5.6, 1.6.x before 1.6.6, and 1.7.x before 1.7.3 and GnuPG before 1.4.21 make it easier for attackers to obtain the values of 160 bits by leveraging knowledge of the previous 4640 bits.
Timeline
ID reserved
By redhat
- 5 months later
· 5 months later
Published
- 8 years later
· 8 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium5.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
- EPSS (exploitation in 30 days)
- 3.6% · top 10% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Weakness
Affected products
n/a
- affected n/a
References (11)
- DSA-3650 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- GLSA-201612-01 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- USN-3064-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- DSA-3649 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- GLSA-201610-04 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- 1036635 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- [gnupg-announce] 20160817 [Announce] Security fixes for Libgcrypt and GnuPG 1.4 [CVE-2016-6316] (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=blob_plain%3Bf=NEWS (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2016:2674 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 92527 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- USN-3065-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_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 Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2016-6313)Record last updated .