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CVE-2015-7511
Libgcrypt before 1.6.5 does not properly perform elliptic-point curve multiplication during decryption, which makes it easier for…
- 2.0LowCVSS base score
- 0.43%Exploitation in 30 daysEPSS · top 62% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Libgcrypt before 1.6.5 does not properly perform elliptic-point curve multiplication during decryption, which makes it easier for physically proximate attackers to extract ECDH keys by measuring electromagnetic emanations.
Timeline
ID reserved
By redhat
- 7 months later
· 7 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 | Low2.0 | CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.43% · top 62% of all CVEs (11 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.0.
Affected products
n/a
- affected n/a
References
References9
- DSA-3478 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- USN-2896-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- GLSA-201610-04 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- [gnupg-announce] 20160209 [Announce] Libgcrypt 1.6.5 with security fix released (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- DSA-3474 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 83253 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- FEDORA-2016-83cd045bcc (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- openSUSE-SU-2016:1227 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://www.cs.tau.ac.IL/~tromer/ecdh/ (opens in a new tab)x_refsource_MISCx_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)
- EUVD EUVD-2015-7432 (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)
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[](https://cveledger.app/cve/CVE-2015-7511)Record last updated .