VULNERABILITY INTELLIGENCE
CVE-2015-8803
CVSS score9.8 CRITICAL
EPSS probability4.21%
CISA KEVNot currently listed
Published2016-02-23
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
The ecc_256_modp function in ecc-256.c in Nettle before 3.2 does not properly handle carry propagation and produces incorrect output in its implementation of the P-256 NIST elliptic curve, which allows attackers to have unspecified impact via unknown vectors, a different vulnerability than CVE-2015-8805.
Weakness classification
- nvd@nist.gov: CWE-254