TI-2015-04487 Aliases CVE-2015-5333 GHSA-qrw8-4f9g-c6gc

Uncontrolled resource consumption in LibreSSL

LOW 37CWE-400Published 2020-01-23 · Updated 2024-08-06

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-400.

Summary

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.

Why it matters now

EPSS 0.01978 80th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed LibreSSL (LibreSSL): 2.3.1

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
LibreSSL	LibreSSL	before 2.3.1	2.3.1	Patch available	CNA

LibreSSL VendorLibreSSL Affected before 2.3.1 Fixed in 2.3.1 Patch available CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:openbsd:libressl::::::::	before 2.3.1	Vulnerable	OpenBSD
cpe:2.3:o:opensuse:opensuse:13.2:::::::*	13.2	Vulnerable	openSUSE

cpe:2.3:a:openbsd:libressl:*:*:*:*:*:*:*:* Versions before 2.3.1 Vulnerable ·OpenBSD
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* Versions 13.2 Vulnerable ·openSUSE

Remediation

Fix · CNA LibreSSL (LibreSSL) Fixed in 2.3.1

Timeline

2026-10-02 Threatist record created from CVE-2015-5333
2026-10-03 Alias added: GHSA-qrw8-4f9g-c6gc

References

Exploit 1

http://packetstormsecurity.com/files/133998/Qualys-Security-Advisory-LibreSSL-Leak-Overflow.html

Advisory 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences