CVE-2016-2109
The asn1_d2i_read_bio function in crypto/asn1/a_d2i_fp.c in the ASN.1 BIO implementation in OpenSSL before 1.0.1t and 1.0.2 before 1.0.2h allows remote attackers to cause a denial of service (memory
02 Description
The asn1_d2i_read_bio function in crypto/asn1/a_d2i_fp.c in the ASN.1 BIO implementation in OpenSSL before 1.0.1t and 1.0.2 before 1.0.2h allows remote attackers to cause a denial of service (memory
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 29.21% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 98.0% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2016-05-05 00:00Z10 YR AGO
- Last updated
- 2024-08-05 23:17Z2 YR AGO
- Reserved
- 2016-01-29
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- db7a7b090cb0c1177c4b4205f0d831db10809ff5e94099799d2f5e2dcd15a959
05 Affected products
06 References
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- h20566.www2.hpe.comhttps://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149
- www.slackware.comSSA:2016-124-01http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.542103
- rhn.redhat.comRHSA-2016:2056http://rhn.redhat.com/errata/RHSA-2016-2056.html
- lists.opensuse.orgopenSUSE-SU-2016:1238http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00014.html
- lists.opensuse.orgopenSUSE-SU-2016:1242http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00018.html
- www.oracle.comhttp://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
- www.oracle.comhttp://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
- lists.opensuse.orgSUSE-SU-2016:1267http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00029.html
- rhn.redhat.comRHSA-2016:2073http://rhn.redhat.com/errata/RHSA-2016-2073.html
- h20566.www2.hpe.comhttps://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03765en_us
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- www.debian.orgDSA-3566http://www.debian.org/security/2016/dsa-3566
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- packetstormsecurity.comhttp://packetstormsecurity.com/files/136912/Slackware-Security-Advisory-openssl-Updates.html
- www.oracle.comhttp://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
- kc.mcafee.comhttps://kc.mcafee.com/corporate/index?page=content&id=SB10160
- lists.opensuse.orgopenSUSE-SU-2016:1243http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00019.html
- source.android.comhttps://source.android.com/security/bulletin/2017-07-01
- security.gentoo.orgGLSA-201612-16https://security.gentoo.org/glsa/201612-16
- lists.opensuse.orgSUSE-SU-2016:1228http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00008.html
- www.securitytracker.com1035721http://www.securitytracker.com/id/1035721
- lists.opensuse.orgopenSUSE-SU-2016:1239http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00015.html
- lists.opensuse.orgSUSE-SU-2016:1206http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00001.html
- tools.cisco.com20160504 Multiple Vulnerabilities in OpenSSL Affecting Cisco Products: May 2016http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160504-openssl
- www.oracle.comhttp://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
- lists.opensuse.orgSUSE-SU-2016:1231http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00010.html
- h20566.www2.hpe.comhttps://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03756en_us
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- lists.opensuse.orgopenSUSE-SU-2016:1240http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00016.html
- lists.opensuse.orgopenSUSE-SU-2016:1241http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00017.html
- lists.apple.comAPPLE-SA-2016-07-18-1http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html
- lists.opensuse.orgSUSE-SU-2016:1360http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00055.html
- www.tenable.comhttps://www.tenable.com/security/tns-2016-18
- h20566.www2.hpe.comhttps://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
- lists.opensuse.orgSUSE-SU-2016:1233http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00011.html
- lists.opensuse.orgopenSUSE-SU-2016:1237http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00013.html
- kb.pulsesecure.nethttps://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40202
- rhn.redhat.comRHSA-2016:0996http://rhn.redhat.com/errata/RHSA-2016-0996.html
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20160504-0001/
- git.openssl.orghttps://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=c62981390d6cf9e3d612c489b8b77c2913b25807
- www.securityfocus.com91787http://www.securityfocus.com/bid/91787
- lists.opensuse.orgSUSE-SU-2016:1290http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00036.html
- lists.opensuse.orgopenSUSE-SU-2016:1273http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00030.html
- rhn.redhat.comRHSA-2016:2957http://rhn.redhat.com/errata/RHSA-2016-2957.html
- www.ubuntu.comUSN-2959-1http://www.ubuntu.com/usn/USN-2959-1
- www.oracle.comhttp://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
- www.securityfocus.com87940http://www.securityfocus.com/bid/87940
- rhn.redhat.comRHSA-2016:0722http://rhn.redhat.com/errata/RHSA-2016-0722.html
- www.freebsd.orgFreeBSD-SA-16:17https://www.freebsd.org/security/advisories/FreeBSD-SA-16:17.openssl.asc
- www.openssl.orghttps://www.openssl.org/news/secadv/20160503.txt
- support.apple.comhttps://support.apple.com/HT206903
- bto.bluecoat.comhttps://bto.bluecoat.com/security-advisory/sa123
- kb.juniper.nethttp://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
- cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
07 Fixed in
Debian 12
- openssl Fixed in 1.0.2h-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- openssl Fixed in 1.0.2h-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- openssl Fixed in 1.0.2h-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- openssl Fixed in 1.0.1f-1ubuntu2.19
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- openssl Fixed in 1.0.2g-1ubuntu4.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.