libgcrypt: Missing input validation for X25519 curve
Published Aug 29, 2017
7.5
HIGHCVSS 3.0
EPSS 3.51%
Description
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.
Affected products
- Vendor n/a Product Libgcrypt Defaultn/a
- Version libgcryptStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Libgcrypt | n/a |
|
Configuration 2
- 9.0
No data.
Red Hat Enterprise Linux 5
libgcrypt
Not affected
Red Hat Enterprise Linux 6
libgcrypt
Not affected
Red Hat Enterprise Linux 7
libgcrypt
Not affected
Red Hat Enterprise Virtualization 3
mingw-virt-viewer
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | libgcrypt | Not affected | n/a |
| Red Hat Enterprise Linux 6 | libgcrypt | Not affected | n/a |
| Red Hat Enterprise Linux 7 | libgcrypt | Not affected | n/a |
| Red Hat Enterprise Virtualization 3 | mingw-virt-viewer | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N
AV:N/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.51% (0.03510) | 88.81th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.51% (0.03510) | 87.64th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.88% (0.01881) | 81.53th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.78% (0.03784) | 79.89th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.88% (0.01881) | 81.95th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.43% (0.00432) | 75.34th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.43% (0.00432) | 73.81th | v3 (v2023.03.01) |
| Jun 14, 2023 | 0.43% (0.00435) | 71.07th | v3 (v2023.03.01) |
| Apr 18, 2023 | 0.62% (0.00617) | 75.65th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.80% (0.00804) | 79.04th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.54% (0.01537) | 74.52th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.54% (0.01537) | 74.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.54% (0.01537) | 72.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.54% (0.01537) | 51.33th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.48% (0.02476) | 54.92th | v1 |
| Jan 6, 2022 | 2.48% (0.02476) | 54.49th | v1 |
| Sep 1, 2021 | 2.48% (0.02476) | 78.74th | v1 |
| Apr 14, 2021 | 2.48% (0.02476) | 0.00th | v1 |
References (15)
- http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html x_refsource_CONFIRM
- http://www.securityfocus.com/bid/100503 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041294 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2017-0379 Vendor Advisory
- https://bugs.debian.org/873383 x_refsource_MISCIssue TrackingThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1485921 Issue Tracking
- https://eprint.iacr.org/2017/806 x_refsource_MISCMailing ListThird Party Advisory
- https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=commit%3Bh=da780c8183cccc8f533c8ace8211ac2cb2bdee7b x_refsource_MISC
- https://lists.debian.org/debian-security-announce/2017/msg00221.html x_refsource_MISCMailing ListPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-0379
- https://security-tracker.debian.org/tracker/CVE-2017-0379 x_refsource_MISCPatchThird Party Advisory
- https://security.netapp.com/advisory/ntap-20180726-0002/ x_refsource_CONFIRM
- https://www.cve.org/CVERecord?id=CVE-2017-0379
- https://www.debian.org/security/2017/dsa-3959 vendor-advisoryx_refsource_DEBIANPatchThird Party Advisory
- https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html x_refsource_CONFIRM
Change history (0)
No recorded changes yet.