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CVE-2015-8803

Published: Feb 23, 2016Updated: May 6, 2026 Sources: CVE List NVD BDUCWE-254
9.8CRITICAL
NVD MITRE
EPSS Score
4.2%
Top 10.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-254CWE-310

Affected Products

Novell Inc.
commercial·US
openSUSEOn-prem
Operating Systems / linux-distro
OpenSUSE LeapOn-premOS
Operating Systems / linux-distro
opensuse
oss-project·DE
leapOn-premOS
Operating Systems / linux-distro
opensuseOn-premOS
Operating Systems / linux-distro
Canonical Ltd.
commercial·GBaka canonical
UbuntuOn-premOS
Operating Systems / linux-distro
Nettle Project
oss-projectaka nettle
NettleLibrary
OSS Libraries / generic-library
and 3 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2015-8803?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://git.lysator.liu.se/nettle/nettle/commit/c71d2c9d20eeebb985e3872e4550137209e3ce4d
git.lysator.liu.se
https://lists.lysator.liu.se/pipermail/nettle-bugs/2015/003028.html
lists.lysator.liu.se
https://lists.gnu.org/archive/html/info-gnu/2016-01/msg00006.html
lists.gnu.org
and 20 more references View all →

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