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Fencer Vulns
high 7.5

CVE-2017-0379 json

Libgcrypt before 1.8.1 does not properly consider Curve25519 side-channel attacks, which makes it easier for attackers to discover a secret…

published 2017-08-29 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-0733

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.5%
EPSS 3.5% chance of exploitation in 30 days, percentile 89%
public exploits
0
none known

Summary

Libgcrypt before 1.8.1 does not properly consider Curve25519 side-channel attacks, which makes it easier for attackers to discover a secret key, related to cipher/ecc.c and mpi/ec.c.

Patch / fix

  • libgcrypt20 Debian 14, Debian 13, Debian 12 1.7.9-1

debian advisories DEBIAN-CVE-2017-0379

  • libgcrypt openSUSE Tumbleweed 1.9.4-1.2

opensuse advisories openSUSE-SU-2024:10941-1

  • libgcrypt Alpine 3.6, Alpine 3.5, Alpine 3.4 1.7.9-r0

alpine advisories ALPINE-CVE-2017-0379

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libgcrypt Arch Linux 1.8.1-1
  • lib32-libgcrypt Arch Linux 1.8.1-1

arch linux advisories AVG-402AVG-403

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-0379 updated cvss 4.4

libgcrypt: Missing input validation for X25519 curve

  • Red Hat Enterprise Linux 5 libgcrypt Red Hat Enterprise Linux 6 libgcrypt Red Hat Enterprise Linux 7 libgcrypt Red Hat Enterprise Virtualization 3 mingw-virt-viewer, mingw32-virt-viewer, mingw64-virt-viewer
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.51% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • n/a libgcrypt

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.