Resource exhaustion in Libressl
CVE-2015-5333
Memory leak in the OBJ_obj2txt function in LibreSSL before 2.3.1 allows remote attackers to cause a denial of service (memory consumption) via a large number of ASN.1 object identifiers in X.509 certificates.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.020 (78.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Libressl — versions before 2.3.1
- Openbsd Libressl
- Opensuse — versions 13.2
Weakness classification (CWE)
References
- secalert@redhat.com (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (x_refsource_CONFIRM, Release Notes, Vendor Advisory)
- secalert@redhat.com (x_refsource_MISC, Broken Link)
- secalert@redhat.com (Mailing List, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2015-5333?
- CVE-2015-5333 is a high-severity vulnerability in Libressl, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2020-01-23.
- How severe is CVE-2015-5333?
- High severity. CVSS v3 base score is 7.5 out of 10.