CRITICAL

CVE-2015-5334

CVSS v3

9.8

CRITICAL

EPSS Score

3.5 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2015-5334 yet.

Full record on NVD

Description

Off-by-one error in the OBJ_obj2txt function in LibreSSL before 2.3.1 allows remote attackers to cause a denial of service (program crash) or possible execute arbitrary code via a crafted X.509 certificate, which triggers a stack-based buffer overflow. Note: this vulnerability exists because of an incorrect fix for CVE-2014-3508.

Technical details

Published: 2020-01-23

Frequently asked questions

What is CVE-2015-5334?

Is CVE-2015-5334 actively exploited?

Active exploitation of CVE-2015-5334 has not been confirmed. Its EPSS score was 3.5% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2015-5334?

CVE-2015-5334 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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