HIGH
openssl: ASN.1 BIO handling of large amounts of data
Published May 5, 2016
7.5
HIGHCVSS 3.0
EPSS 29.21%
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 consumption) via a short invalid encoding.
Affected products
No data.
Configuration 1
OR
- ≤ 1.0.1s
- 1.0.2
- 1.0.2
- 1.0.2
- 1.0.2
- 1.0.2a
- 1.0.2b
- 1.0.2c
- 1.0.2d
- 1.0.2e
- 1.0.2f
- 1.0.2g
Configuration 2
OR
- 7.0
- 7.0
- 7.2
- 7.0
- 7.2
- 7.2
- 7.0
Configuration 3
OR
- 6.0
- 6.0
- 6.0
- 6.0
No data.
Red Hat Enterprise Linux 6
openssl-0:1.0.1e-48.el6_8.1
Fixed · RHSA-2016:0996
Red Hat Enterprise Linux 6.7 Extended Update Support
openssl-0:1.0.1e-42.el6_7.5
Fixed · RHSA-2016:2073
Red Hat Enterprise Linux 7
openssl-1:1.0.1e-51.el7_2.5
Fixed · RHSA-2016:0722
Red Hat JBoss Core Services
n/a
Fixed · RHSA-2016:2957
Red Hat JBoss Enterprise Application Platform 6.4
openssl
Fixed · RHSA-2016:2056
Red Hat Enterprise Linux 4
openssl
Will not fix
Red Hat Enterprise Linux 4
openssl096b
Will not fix
Red Hat Enterprise Linux 5
openssl
Will not fix
Red Hat Enterprise Linux 5
openssl097a
Will not fix
Red Hat Enterprise Linux 6
openssl098e
Will not fix
Red Hat Enterprise Linux 7
openssl098e
Will not fix
Red Hat JBoss Core Services
openssl
Affected
Red Hat JBoss Enterprise Application Platform 5
openssl
Not affected
Red Hat JBoss Enterprise Web Server 1
openssl
Not affected
Red Hat JBoss Enterprise Web Server 2
openssl
Will not fix
Red Hat JBoss Enterprise Web Server 3
openssl
Fix deferred
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | openssl-0:1.0.1e-48.el6_8.1 | Fixed | RHSA-2016:0996 |
| Red Hat Enterprise Linux 6.7 Extended Update Support | openssl-0:1.0.1e-42.el6_7.5 | Fixed | RHSA-2016:2073 |
| Red Hat Enterprise Linux 7 | openssl-1:1.0.1e-51.el7_2.5 | Fixed | RHSA-2016:0722 |
| Red Hat JBoss Core Services | n/a | Fixed | RHSA-2016:2957 |
| Red Hat JBoss Enterprise Application Platform 6.4 | openssl | Fixed | RHSA-2016:2056 |
| Red Hat Enterprise Linux 4 | openssl | Will not fix | n/a |
| Red Hat Enterprise Linux 4 | openssl096b | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | openssl | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | openssl097a | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | openssl098e | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | openssl098e | Will not fix | n/a |
| Red Hat JBoss Core Services | openssl | Affected | n/a |
| Red Hat JBoss Enterprise Application Platform 5 | openssl | Not affected | n/a |
| Red Hat JBoss Enterprise Web Server 1 | openssl | Not affected | n/a |
| Red Hat JBoss Enterprise Web Server 2 | openssl | Will not fix | n/a |
| Red Hat JBoss Enterprise Web Server 3 | openssl | Fix deferred | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
7.5 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
1 other source (Red Hat) ▾
4.0 MEDIUM Red Hat
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact Low
7.8 HIGH NVD
AV:N/AC:L/Au:N/C:N/I:N/A:C
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
29.21% 0.29210
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.29210
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (46 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 29.21% (0.29210) | 98.12th | v5 (v2026.06.15) |
| Jun 15, 2026 | 29.21% (0.29210) | 97.92th | v5 (v2026.06.15) |
| Jun 4, 2026 | 57.94% (0.57944) | 98.21th | v4 (v2025.03.14) |
| Apr 21, 2026 | 59.27% (0.59267) | 98.24th | v4 (v2025.03.14) |
| Mar 4, 2026 | 57.94% (0.57944) | 98.14th | v4 (v2025.03.14) |
| Mar 1, 2026 | 37.63% (0.37627) | 97.13th | v4 (v2025.03.14) |
| Feb 4, 2026 | 58.49% (0.58488) | 98.14th | v4 (v2025.03.14) |
| Feb 1, 2026 | 38.21% (0.38207) | 97.14th | v4 (v2025.03.14) |
| Jan 4, 2026 | 57.94% (0.57944) | 98.09th | v4 (v2025.03.14) |
| Jan 1, 2026 | 37.63% (0.37627) | 97.08th | v4 (v2025.03.14) |
| Dec 4, 2025 | 57.94% (0.57944) | 98.06th | v4 (v2025.03.14) |
| Dec 1, 2025 | 37.63% (0.37627) | 97.04th | v4 (v2025.03.14) |
| Nov 4, 2025 | 57.94% (0.57944) | 98.07th | v4 (v2025.03.14) |
| Nov 1, 2025 | 37.63% (0.37627) | 97.03th | v4 (v2025.03.14) |
| Oct 4, 2025 | 57.94% (0.57944) | 98.11th | v4 (v2025.03.14) |
| Oct 1, 2025 | 37.63% (0.37627) | 97.10th | v4 (v2025.03.14) |
| Sep 6, 2025 | 57.62% (0.57624) | 98.09th | v4 (v2025.03.14) |
| Sep 1, 2025 | 39.47% (0.39470) | 97.22th | v4 (v2025.03.14) |
| Aug 4, 2025 | 57.62% (0.57624) | 98.06th | v4 (v2025.03.14) |
| Aug 1, 2025 | 39.47% (0.39470) | 97.19th | v4 (v2025.03.14) |
| Jul 4, 2025 | 57.94% (0.57944) | 98.05th | v4 (v2025.03.14) |
| Jul 1, 2025 | 37.63% (0.37627) | 97.03th | v4 (v2025.03.14) |
| Jun 4, 2025 | 57.94% (0.57944) | 98.03th | v4 (v2025.03.14) |
| Jun 1, 2025 | 37.63% (0.37627) | 97.01th | v4 (v2025.03.14) |
| May 4, 2025 | 57.94% (0.57944) | 98.02th | v4 (v2025.03.14) |
| May 1, 2025 | 37.63% (0.37627) | 96.98th | v4 (v2025.03.14) |
| Mar 30, 2025 | 58.49% (0.58488) | 98.02th | v4 (v2025.03.14) |
| Mar 29, 2025 | 63.14% (0.63138) | 97.72th | v4 (v2025.03.14) |
| Mar 17, 2025 | 57.94% (0.57944) | 97.96th | v4 (v2025.03.14) |
| Jan 10, 2025 | 81.94% (0.81942) | 98.62th | v3 (v2023.03.01) |
| Aug 5, 2024 | 84.34% (0.84345) | 98.53th | v3 (v2023.03.01) |
| May 6, 2024 | 82.57% (0.82573) | 98.39th | v3 (v2023.03.01) |
| Mar 29, 2024 | 84.18% (0.84176) | 98.40th | v3 (v2023.03.01) |
| Feb 26, 2024 | 82.79% (0.82788) | 98.32th | v3 (v2023.03.01) |
| Jan 23, 2024 | 83.73% (0.83728) | 98.20th | v3 (v2023.03.01) |
| Nov 17, 2023 | 86.52% (0.86524) | 98.28th | v3 (v2023.03.01) |
| Nov 4, 2023 | 84.36% (0.84358) | 98.14th | v3 (v2023.03.01) |
| Oct 15, 2023 | 83.26% (0.83261) | 98.04th | v3 (v2023.03.01) |
| Sep 11, 2023 | 79.45% (0.79447) | 97.87th | v3 (v2023.03.01) |
| Aug 5, 2023 | 69.99% (0.69988) | 97.56th | v3 (v2023.03.01) |
| May 17, 2023 | 66.52% (0.66519) | 97.41th | v3 (v2023.03.01) |
| Apr 7, 2023 | 53.84% (0.53841) | 97.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 16.58% (0.16577) | 95.12th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.56% (0.07559) | 92.87th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.56% (0.07559) | 92.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.56% (0.07559) | 81.11th | v2 (v2022.01.01) |
Weaknesses (2)
References (60)
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html vendor-advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00001.html vendor-advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00008.html vendor-advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00010.html vendor-advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00011.html vendor-advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00013.html vendor-advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00014.html vendor-advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00015.html vendor-advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00016.html vendor-advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00017.html vendor-advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00018.html vendor-advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00019.html vendor-advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00029.html vendor-advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00030.html vendor-advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00036.html vendor-advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00055.html vendor-advisory
- http://packetstormsecurity.com/files/136912/Slackware-Security-Advisory-openssl-Updates.html
- http://rhn.redhat.com/errata/RHSA-2016-0722.html vendor-advisory
- http://rhn.redhat.com/errata/RHSA-2016-0996.html vendor-advisory
- http://rhn.redhat.com/errata/RHSA-2016-2056.html vendor-advisory
- http://rhn.redhat.com/errata/RHSA-2016-2073.html vendor-advisory
- http://rhn.redhat.com/errata/RHSA-2016-2957.html vendor-advisory
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160504-openssl vendor-advisory
- http://www.debian.org/security/2016/dsa-3566 vendor-advisory
- http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
- http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
- http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
- http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.securityfocus.com/bid/87940 vdb-entry
- http://www.securityfocus.com/bid/91787 vdb-entry
- http://www.securitytracker.com/id/1035721 vdb-entry
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.542103 vendor-advisory
- http://www.ubuntu.com/usn/USN-2959-1 vendor-advisory
- https://access.redhat.com/security/cve/CVE-2016-2109 Vendor Advisory
- https://bto.bluecoat.com/security-advisory/sa123
- https://bugzilla.redhat.com/show_bug.cgi?id=1330101 Issue Tracking
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
- https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=c62981390d6cf9e3d612c489b8b77c2913b25807
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03756en_us
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03765en_us
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40202
- https://kc.mcafee.com/corporate/index?page=content&id=SB10160
- https://nvd.nist.gov/vuln/detail/CVE-2016-2109
- https://openssl.org/news/secadv/20160503.txt
- https://security.gentoo.org/glsa/201612-16 vendor-advisory
- https://security.netapp.com/advisory/ntap-20160504-0001/
- https://source.android.com/security/bulletin/2017-07-01
- https://support.apple.com/HT206903
- https://www.cve.org/CVERecord?id=CVE-2016-2109
- https://www.freebsd.org/security/advisories/FreeBSD-SA-16:17.openssl.asc vendor-advisory
- https://www.openssl.org/news/secadv/20160503.txt Vendor Advisory
- https://www.tenable.com/security/tns-2016-18
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published May 5, 2016
Updated Aug 5, 2024
Reserved Jan 29, 2016
Link CVE-2016-2109
CISA Vulnrichment
Updated n/a