CVE-2015-5333
Memory leak in the OBJ_obj2txt function in LibreSSL before 2.3.1 allows remote attackers to cause...
CVE-2015-5333 is a high vulnerability (CVSS 7.5) in Libressl, published January 23, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.98%, the 80th percentile. No source names a fixed version.
- Severity
- 7.5 HighCVSS 3.1, NVD
- Exploit chance
- 1.98%EPSS, 80th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libresslopenSUSE:Tumbleweed From an advisory covering 30 CVEs | before 2.5.0-1.1 | 2.5.0-1.1 |
What each source reports
NVD Score used
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.
- Record
CVE-2015-5333- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-400
- Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2015-5333- Updated
- 2026-11-02
EUVDEUVD-2015-5303No score
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.
- Record
EUVD-2015-5303- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qrw8-4f9g-c6gc
Memory leak in the OBJ_obj2txt function in LibreSSL before 2.3.1 allows remote attackers to cause...
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.
- Record
GHSA-qrw8-4f9g-c6gc- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10309-1No score
libcrypto38-2.5.0-1.1 on GA media
These are all security issues fixed in the libcrypto38-2.5.0-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10309-1- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
packetstormsecurity.com/files/133998/Qualys-Security-Advisory-LibreSSL-Leak-Overflow.html
ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-2.3.1-relnotes.txt
securityfocus.com/archive/1/archive/1/536692/100/0/threaded
lists.opensuse.org/opensuse-updates/2015-10/msg00050.html
nvd.nist.gov/vuln/detail/CVE-2015-5333
github.com/advisories/GHSA-qrw8-4f9g-c6gc
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suse.com/security/cve/CVE-2014-3502