CVE-2015-8805: The ecc_256_modq function in ecc-256.c in Nettle before 3.2 does not properly handle carry propagation and...

Security readout for executives and security teams

CVE-2015-8805 is a cryptographic correctness flaw in Nettle before 3.2. A P-256 elliptic-curve calculation can produce wrong results because carry propagation is mishandled. The public record does not define concrete business impact, exposed applications, or attack vectors, so urgency depends on whether your systems use affected Nettle code for security-sensitive cryptography. Exposure is most likely on systems or applications using Nettle before 3.2, including distribution packages referenced by Ubuntu, openSUSE, and Red Hat advisories. The bundle does not identify specific downstream applications or configurations beyond affected Nettle cryptographic code. Prioritize remediation where Nettle supports authentication, TLS, signing, or other trust decisions. There is no sourced evidence of active exploitation, but cryptographic miscalculation bugs can undermine security assumptions and are hard to detect from normal operational monitoring. Mitigation focus: Upgrade Nettle to 3.2 or a vendor-backported fixed package.; Follow applicable Ubuntu, openSUSE, or Red Hat advisory guidance.; Identify applications statically or dynamically linked against vulnerable Nettle versions..

Prepared

Jun 13, 2026, 21:06 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.