Critical severity9.8NVD Advisory· Published Feb 23, 2016· Updated Jun 17, 2026
CVE-2015-8805
CVE-2015-8805
Description
The ecc_256_modq 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-2015-8803.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
15cpe:2.3:a:nettle_project:nettle:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:nettle_project:nettle:*:*:*:*:*:*:*:*range: <=3.1.1
- (no CPE)range: <3.2
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*+ 1 more
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
- osv-coords8 versionspkg:rpm/suse/libnettle&distro=SUSE%20Linux%20Enterprise%20Desktop%2012pkg:rpm/suse/libnettle&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/libnettle&distro=SUSE%20Linux%20Enterprise%20Server%2012pkg:rpm/suse/libnettle&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1pkg:rpm/suse/libnettle&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012pkg:rpm/suse/libnettle&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/libnettle&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012pkg:rpm/suse/libnettle&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1
< 2.7.1-9.1+ 7 more
- (no CPE)range: < 2.7.1-9.1
- (no CPE)range: < 2.7.1-9.1
- (no CPE)range: < 2.7.1-9.1
- (no CPE)range: < 2.7.1-9.1
- (no CPE)range: < 2.7.1-9.1
- (no CPE)range: < 2.7.1-9.1
- (no CPE)range: < 2.7.1-9.1
- (no CPE)range: < 2.7.1-9.1
Patches
Vulnerability mechanics
References
10- git.lysator.liu.se/nettle/nettle/commit/c71d2c9d20eeebb985e3872e4550137209e3ce4dnvdPatch
- lists.opensuse.org/opensuse-updates/2016-02/msg00091.htmlnvd
- lists.opensuse.org/opensuse-updates/2016-02/msg00093.htmlnvd
- lists.opensuse.org/opensuse-updates/2016-02/msg00100.htmlnvd
- rhn.redhat.com/errata/RHSA-2016-2582.htmlnvd
- www.openwall.com/lists/oss-security/2016/02/02/2nvd
- www.openwall.com/lists/oss-security/2016/02/03/1nvd
- www.securityfocus.com/bid/84272nvd
- www.ubuntu.com/usn/USN-2897-1nvd
- blog.fuzzing-project.org/38-Miscomputations-of-elliptic-curve-scalar-multiplications-in-Nettle.htmlnvd
News mentions
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