CVE-2016-7052
CVE-2016-7052 is a high-severity vulnerability in Openssl with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 30% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-476.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 30% (98th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-476
- Affected product: Openssl
- Published:
- Last modified:
Description
crypto/x509/x509_vfy.c in OpenSSL 1.0.2i allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) by triggering a CRL operation.
Frequently asked questions
- What is CVE-2016-7052?
- crypto/x509/x509_vfy.c in OpenSSL 1.0.2i allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) by triggering a CRL operation.
- How severe is CVE-2016-7052?
- CVE-2016-7052 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2016-7052 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 30% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-7052?
- CVE-2016-7052 primarily affects Openssl. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2016-7052?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2016-7052 published?
- CVE-2016-7052 was published on 2016-09-26 and last updated on 2026-06-17.
References
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00013.html
- http://www-01.ibm.com/support/docview.wss?uid=swg21995039
- http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
- http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
- http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- http://www.securityfocus.com/bid/93171
- http://www.securitytracker.com/id/1036885
- https://bto.bluecoat.com/security-advisory/sa132
- https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=6e629b5be45face20b4ca71c4fcbfed78b864a2e
- https://kc.mcafee.com/corporate/index?page=content&id=SB10171
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:27.openssl.asc
- https://security.gentoo.org/glsa/201612-16
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03856en_us
- https://www.openssl.org/news/secadv/20160926.txt
- https://www.tenable.com/security/tns-2016-16
- https://www.tenable.com/security/tns-2016-19
- https://www.tenable.com/security/tns-2016-20
Affected products (4)
- cpe:2.3:o:novell:suse_linux_enterprise_module_for_web_scripting:12.0:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.2i:*:*:*:*:*:*:*
- cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*
- cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*
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