01 Record
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
UnratedPUBLISHEDCNA: redhat
CNA base scoreUnratedNo CNA CVSS vector
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.97% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 80.3% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-01-23 20:12Z6 YR AGO
- Last updated
- 2024-08-06 06:41Z2 YR AGO
- Reserved
- 2015-07-01
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-400Uncontrolled Resource ConsumptionClass
- Data version
- 5.1
- Document digest
- 0e0f11a3d8fd1a037ee145aaf5d36c5870d2c9fc3314952c715f5e7ee3e3139c
05 Affected products
VendorProductVersionsPlatforms
06 References
- packetstormsecurity.comhttp://packetstormsecurity.com/files/133998/Qualys-Security-Advisory-LibreSSL-Leak-Overflow.html
- ftp.openbsd.orghttp://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-2.3.1-relnotes.txt
- www.securityfocus.comhttp://www.securityfocus.com/archive/1/archive/1/536692/100/0/threaded
- lists.opensuse.orghttp://lists.opensuse.org/opensuse-updates/2015-10/msg00050.html