CVE-2015-0971

The DER parser in Suricata before 2.0.8 allows remote attackers to cause a denial of service (crash) via vectors related to SSL/TLS certificates.

Published: 2015-05-14 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-0971 is rated Moderate Risk (40.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.39%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2015-0971

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-09-14 0.26% 0.39% +0.14%
2 2025-05-18 0.39% 0.26% -0.14%
3 2025-03-30 0.39%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-0971

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2015-0971

OS Trackers for CVE-2015-0971

vendor priority summary link
debian not yet assigned CVE-2015-0971 not yet assigned priority: Debian including 1 source packages (suricata), 4 status rows across 4 suites (bullseye, forky, sid, trixie): resolved 4. https://security-tracker.debian.org/tracker/CVE-2015-0971
ubuntu medium CVE-2015-0971 medium priority: Ubuntu including 1 source packages (suricata), 9 status rows across 9 suites (precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): not-affected 4, ignored 3, released 2. https://ubuntu.com/security/CVE-2015-0971

Affected software / configurations for CVE-2015-0971

Vendor Product Version Raw CPE
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
openinfosecfoundation suricata <= 2.0.7 cpe:2.3:a:openinfosecfoundation:suricata:*:*:*:*:*:*:*:*

References for CVE-2015-0971

cvelogic Threat Intelligence