Medium severity6.5NVD Advisory· Published Mar 27, 2018· Updated Jun 17, 2026
CVE-2018-0739
CVE-2018-0739
Description
Constructed ASN.1 types with a recursive definition (such as can be found in PKCS7) could eventually exceed the stack given malicious input with excessive recursion. This could result in a Denial Of Service attack. There are no such structures used within SSL/TLS that come from untrusted sources so this is considered safe. Fixed in OpenSSL 1.1.0h (Affected 1.1.0-1.1.0g). Fixed in OpenSSL 1.0.2o (Affected 1.0.2b-1.0.2n).
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
371.1.0 to 1.1.0g+ 1 more
- (no CPE)range: 1.1.0 to 1.1.0g
- (no CPE)range: Fixed in OpenSSL 1.1.0h (Affected 1.1.0-1.1.0g)
- osv-coords35 versionspkg:rpm/opensuse/openssl-1_0_0&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/openssl-1_1&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/ovmf&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/virtualbox&distro=openSUSE%20Tumbleweedpkg:rpm/suse/compat-openssl097g&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/compat-openssl098&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3pkg:rpm/suse/compat-openssl098&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2012pkg:rpm/suse/compat-openssl098&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/compat-openssl098&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/compat-openssl098&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/openssl1&distro=SUSE%20Linux%20Enterprise%20Server%2011-SECURITYpkg:rpm/suse/openssl&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/openssl&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3pkg:rpm/suse/openssl&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/openssl&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/openssl&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/openssl&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/openssl&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/openssl&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2pkg:rpm/suse/openssl&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/openssl&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/openssl&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/openssl&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/openssl&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4pkg:rpm/suse/openssl&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2pkg:rpm/suse/openssl&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3pkg:rpm/suse/openssl&distro=SUSE%20OpenStack%20Cloud%206pkg:rpm/suse/openssl&distro=SUSE%20Studio%20Onsite%201.3pkg:rpm/suse/ovmf&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015pkg:rpm/suse/ovmf&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/ovmf&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/ovmf&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/ovmf&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/ovmf&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/ovmf&distro=SUSE%20OpenStack%20Cloud%207
< 1.0.2u-6.2+ 34 more
- (no CPE)range: < 1.0.2u-6.2
- (no CPE)range: < 1.1.1l-1.2
- (no CPE)range: < 202105-3.4
- (no CPE)range: < 6.1.26-3.2
- (no CPE)range: < 0.9.7g-146.22.51.5.1
- (no CPE)range: < 0.9.8j-106.6.1
- (no CPE)range: < 0.9.8j-106.6.1
- (no CPE)range: < 0.9.8j-106.6.1
- (no CPE)range: < 0.9.8j-106.6.1
- (no CPE)range: < 0.9.8j-106.6.1
- (no CPE)range: < 1.0.1g-0.58.9.1
- (no CPE)range: < 1.0.2j-60.24.1
- (no CPE)range: < 1.0.2j-60.24.1
- (no CPE)range: < 0.9.8j-0.106.9.1
- (no CPE)range: < 1.0.1i-54.11.1
- (no CPE)range: < 1.0.2j-60.24.1
- (no CPE)range: < 1.0.2j-60.24.1
- (no CPE)range: < 1.0.1i-27.31.1
- (no CPE)range: < 1.0.2j-60.24.1
- (no CPE)range: < 0.9.8j-0.106.9.1
- (no CPE)range: < 1.0.1i-54.11.1
- (no CPE)range: < 1.0.2j-60.24.1
- (no CPE)range: < 1.0.2j-60.24.1
- (no CPE)range: < 0.9.8j-0.106.9.1
- (no CPE)range: < 1.0.2j-60.24.1
- (no CPE)range: < 1.0.2j-60.24.1
- (no CPE)range: < 1.0.1i-54.11.1
- (no CPE)range: < 0.9.8j-0.106.9.1
- (no CPE)range: < 2017+git1510945757.b2662641d5-5.3.6
- (no CPE)range: < 2015+git1462940744.321151f-19.10.3
- (no CPE)range: < 2015+git1462940744.321151f-19.10.3
- (no CPE)range: < 2017+git1492060560.b6d11d7c46-4.9.4
- (no CPE)range: < 2015+git1462940744.321151f-19.10.3
- (no CPE)range: < 2017+git1492060560.b6d11d7c46-4.9.4
- (no CPE)range: < 2015+git1462940744.321151f-19.10.3
Patches
Vulnerability mechanics
References
34- www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.htmlnvdPatchThird Party Advisory
- www.securityfocus.com/bid/103518nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1040576nvdThird Party AdvisoryVDB Entry
- lists.debian.org/debian-lts-announce/2018/03/msg00033.htmlnvdThird Party Advisory
- security.netapp.com/advisory/ntap-20180330-0002/nvdThird Party Advisory
- usn.ubuntu.com/3611-1/nvdThird Party Advisory
- usn.ubuntu.com/3611-2/nvdThird Party Advisory
- www.debian.org/security/2018/dsa-4157nvdThird Party Advisory
- www.debian.org/security/2018/dsa-4158nvdThird Party Advisory
- www.openssl.org/news/secadv/20180327.txtnvdVendor Advisory
- www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.htmlnvd
- www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.htmlnvd
- www.securityfocus.com/bid/105609nvd
- access.redhat.com/errata/RHSA-2018:3090nvd
- access.redhat.com/errata/RHSA-2018:3221nvd
- access.redhat.com/errata/RHSA-2018:3505nvd
- access.redhat.com/errata/RHSA-2019:0366nvd
- access.redhat.com/errata/RHSA-2019:0367nvd
- access.redhat.com/errata/RHSA-2019:1711nvd
- access.redhat.com/errata/RHSA-2019:1712nvd
- git.openssl.org/gitweb/nvd
- git.openssl.org/gitweb/nvd
- nodejs.org/en/blog/vulnerability/march-2018-security-releases/nvd
- security.gentoo.org/glsa/201811-21nvd
- security.gentoo.org/glsa/202007-53nvd
- security.netapp.com/advisory/ntap-20180726-0002/nvd
- securityadvisories.paloaltonetworks.com/Home/Detail/133nvd
- www.oracle.com//security-alerts/cpujul2021.htmlnvd
- www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.htmlnvd
- www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.htmlnvd
- www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.htmlnvd
- www.tenable.com/security/tns-2018-04nvd
- www.tenable.com/security/tns-2018-06nvd
- www.tenable.com/security/tns-2018-07nvd
News mentions
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