CVE-2026-87737CWE-208

CVE-2026-87737

Medium · published September 9, 2026

CVSS v3.1
5.9
EPSS
0%
Percentile
25.2
In the wild
Unconfirmed
What it is

An issue was discovered in the mirage-crypto-ec package before 2.4.0 for OCaml. There is a timing side channel for NIST elliptic-curve scalar multiplication: the time required for a lookup can depend on a secret.

The record
Technical detail
CVSS v3.1
5.9 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00332 · 25.2th percentile
Weakness
CWE-208 · Observable Timing Discrepancy
Published
2026-09-09T09:18Z
References (1)
https://osv.dev/vulnerability/OSEC-2026-17 · [email protected]
EPSS history
Timeline
  • 10 SEP 03:18Z
    EPSS moved — → 0%
    epss
  • 09 SEP 04:21Z
    An issue was discovered in the mirage-crypto-ec package before 2.4.0 for OCaml
    cvelistv5