The BN_bn2dec function in crypto/bn/bn_print.c in OpenSSL before 1.1.0 does not properly validate division results, which allows remote…

Description

The BN_bn2dec function in crypto/bn/bn_print.c in OpenSSL before 1.1.0 does not properly validate division results, which allows remote attackers to cause a denial of service (out-of-bounds write and application crash) or possibly have unspecified other impact via unknown vectors.

Scores

EPSS (exploitation in 30 days)

44.2% · top 1.2% of all CVEs (2 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.

Weakness

• n/a
• CWE-787 (opens in a new tab)

Affected products

• n/a

  • affected n/a

References (52)

• 1036688 (opens in a new tab)vdb-entryx_transferred
• https://www.tenable.com/security/tns-2016-20 (opens in a new tab)x_transferred
• RHSA-2018:2185 (opens in a new tab)vendor-advisoryx_transferred
• RHSA-2018:2186 (opens in a new tab)vendor-advisoryx_transferred
• http://www.splunk.com/view/SP-CAAAPUE (opens in a new tab)x_transferred
• http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html (opens in a new tab)x_transferred
• 92557 (opens in a new tab)vdb-entryx_transferred
• https://source.android.com/security/bulletin/2017-03-01 (opens in a new tab)x_transferred
• 1037968 (opens in a new tab)vdb-entryx_transferred
• RHSA-2016:1940 (opens in a new tab)vendor-advisoryx_transferred
• http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html (opens in a new tab)x_transferred
• https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40312 (opens in a new tab)x_transferred
• https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03856en_us (opens in a new tab)x_transferred
• http://www.splunk.com/view/SP-CAAAPSV (opens in a new tab)x_transferred
• http://www-01.ibm.com/support/docview.wss?uid=swg21995039 (opens in a new tab)x_transferred
• http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html (opens in a new tab)x_transferred
• https://www.tenable.com/security/tns-2016-16 (opens in a new tab)x_transferred
• https://www.tenable.com/security/tns-2016-21 (opens in a new tab)x_transferred
• https://kc.mcafee.com/corporate/index?page=content&id=SB10171 (opens in a new tab)x_transferred
• http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html (opens in a new tab)x_transferred
• https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=07bed46f332fce8c1d157689a2cdf915a982ae34 (opens in a new tab)x_transferred
• http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html (opens in a new tab)x_transferred
• http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html (opens in a new tab)x_transferred
• https://bto.bluecoat.com/security-advisory/sa132 (opens in a new tab)x_transferred
• http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html (opens in a new tab)x_transferred
• FreeBSD-SA-16:26 (opens in a new tab)vendor-advisoryx_transferred
• https://source.android.com/security/bulletin/2017-03-01.html (opens in a new tab)x_transferred
• RHSA-2018:2187 (opens in a new tab)vendor-advisoryx_transferred
• https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05302448 (opens in a new tab)x_transferred
• http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759 (opens in a new tab)x_transferred
• https://kc.mcafee.com/corporate/index?page=content&id=SB10215 (opens in a new tab)x_transferred
• SUSE-SU-2017:2700 (opens in a new tab)vendor-advisoryx_transferred
• USN-3087-1 (opens in a new tab)vendor-advisoryx_transferred
• SUSE-SU-2016:2469 (opens in a new tab)vendor-advisoryx_transferred
• openSUSE-SU-2016:2537 (opens in a new tab)vendor-advisoryx_transferred
• USN-3087-2 (opens in a new tab)vendor-advisoryx_transferred
• https://support.f5.com/csp/article/K01276005 (opens in a new tab)x_transferred
• SUSE-SU-2017:2699 (opens in a new tab)vendor-advisoryx_transferred
• openSUSE-SU-2016:2407 (opens in a new tab)vendor-advisoryx_transferred
• 20170717 Orion Elite Hidden IP Browser Pro - All Versions - Multiple Known Vulnerabilities (opens in a new tab)mailing-listx_transferred
• SUSE-SU-2016:2458 (opens in a new tab)vendor-advisoryx_transferred
• https://support.hpe.com/hpsc/doc/public/display?docLocale=en&docId=emr_na-hpesbhf03856en_us (opens in a new tab)x_transferred
• DSA-3673 (opens in a new tab)vendor-advisoryx_transferred
• openSUSE-SU-2016:2391 (opens in a new tab)vendor-advisoryx_transferred
• openSUSE-SU-2018:0458 (opens in a new tab)vendor-advisoryx_transferred
• SUSE-SU-2016:2387 (opens in a new tab)vendor-advisoryx_transferred
• https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-c05302448 (opens in a new tab)x_transferred
• SUSE-SU-2016:2468 (opens in a new tab)vendor-advisoryx_transferred
• SUSE-SU-2016:2394 (opens in a new tab)vendor-advisoryx_transferred
• http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170322-01-openssl-en (opens in a new tab)x_transferred
• https://www.arista.com/en/support/advisories-notices/security-advisories/1749-security-advisory-24 (opens in a new tab)x_transferred
• https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf (opens in a new tab)x_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Record last updated 5 Aug 2024, 23:17 UTC.