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Vulnerability record · CVE-2016-0797 · published 3 March 2016

CVE-2016-0797: Openssl vulnerability

OOpenssl · Openssl

Multiple integer overflows in OpenSSL 1.0.1 before 1.0.1s and 1.0.2 before 1.0.2g allow remote attackers to cause a denial of service (heap memory corruption or NULL pointer dereference) or possibly have unspecified other impact via a long digit string that is mishandled by the (1) BN_dec2bn or (2) BN_hex2bn function, related to crypto/bn/bn.h and crypto/bn/bn_print.c.

7.5 CVSS 3.1 High EPSS 27% · top 2.0%
7.5CVSS 3.1 base score, v2 5.0
27%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
88References
17 Jun 2026Last modified by NVD

Description

Multiple integer overflows in OpenSSL 1.0.1 before 1.0.1s and 1.0.2 before 1.0.2g allow remote attackers to cause a denial of service (heap memory corruption or NULL pointer dereference) or possibly have unspecified other impact via a long digit string that is mishandled by the (1) BN_dec2bn or (2) BN_hex2bn function, related to crypto/bn/bn.h and crypto/bn/bn_print.c.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759 Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00001.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00002.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00003.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00004.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00005.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00006.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00007.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00009.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00010.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00011.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00012.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00017.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00025.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00038.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00015.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00017.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00019.html Mailing ListThird Party Advisory
http://marc.info/?l=bugtraq&m=145889460330120&w=2 Mailing ListThird Party Advisory
http://openssl.org/news/secadv/20160301.txt Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2016-2957.html Third Party Advisory
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160302-openssl Third Party Advisory
http://www.debian.org/security/2016/dsa-3500 Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html PatchThird Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html PatchThird Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html Third Party Advisory
http://www.securityfocus.com/bid/83763 Third Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/91787 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1035133 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-2914-1 Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=c175308407858afff3fc8c2e5e085d94d12edc7d
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03741en_us Third Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05052990 Third Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05376917 Third Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722 Third Party Advisory
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40168 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2016-0797), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.