Description
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.
Metrics
CVSS 3.1 7.5/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| LibreSSL | LibreSSL | before 2.3.1 |
References
- http://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-2.3.1-relnotes.txtRelease Notes, Vendor Advisory
- http://lists.opensuse.org/opensuse-updates/2015-10/msg00050.htmlMailing List, Third Party Advisory
- http://packetstormsecurity.com/files/133998/Qualys-Security-Advisory-LibreSSL-Leak-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/archive/1/archive/1/536692/100/0/threadedBroken Link
- http://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-2.3.1-relnotes.txtRelease Notes, Vendor Advisory
- http://lists.opensuse.org/opensuse-updates/2015-10/msg00050.htmlMailing List, Third Party Advisory
- http://packetstormsecurity.com/files/133998/Qualys-Security-Advisory-LibreSSL-Leak-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/archive/1/archive/1/536692/100/0/threadedBroken Link
Timeline
- Published
- Jan 23, 2020
- Last modified
- Jun 17, 2026
- NVD status
- Modified