CVE-2016-9842
HIGHCVSS 8.8/10EPSS 5.16%
Last modified
CVE-2016-9842 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The inflateMark function in inflate.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving left shifts of negative integers.. EPSS estimates a 5.16% chance of exploitation in the next 30 days.
Description
The inflateMark function in inflate.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving left shifts of negative integers.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Zlib | Zlib | >= 1.2.3.4, < 1.2.9 | — |
| Opensuse | Leap | 42.1 | — |
| Opensuse | Leap | 42.2 | — |
| Opensuse | Opensuse | 13.2 | — |
| Debian | Debian Linux | 8.0 | — |
| Canonical | Ubuntu Linux | 16.04 | — |
| Canonical | Ubuntu Linux | 18.04 | — |
| Oracle | Database Server | 18c | — |
| Oracle | Jdk | 1.6.0 | Update161 |
| Oracle | Jdk | 1.7.0 | Update151 |
| Oracle | Jdk | 1.8.0 | Update144 |
| Oracle | Jre | 1.6.0 | Update161 |
| Oracle | Jre | 1.7.0 | Update151 |
| Oracle | Jre | 1.8.0 | Update144 |
| Oracle | Mysql | >= 5.5.0, <= 5.5.61 | — |
| Oracle | Mysql | >= 5.6.0, <= 5.6.41 | — |
| Oracle | Mysql | >= 5.7.0, <= 5.7.23 | — |
| Oracle | Mysql | >= 8.0.0, <= 8.0.12 | — |
| Redhat | Satellite | 5.8 | — |
| Redhat | Enterprise Linux Desktop | 6.0 | — |
| Redhat | Enterprise Linux Desktop | 7.0 | — |
| Redhat | Enterprise Linux Eus | 7.4 | — |
| Redhat | Enterprise Linux Eus | 7.5 | — |
| Redhat | Enterprise Linux Server | 6.0 | — |
| Redhat | Enterprise Linux Server | 7.0 | — |
| Redhat | Enterprise Linux Workstation | 6.0 | — |
| Redhat | Enterprise Linux Workstation | 7.0 | — |
| Apple | Iphone Os | < 11 | — |
| Apple | Mac Os X | >= 10.0.0, < 10.13.0 | — |
| Apple | Tvos | < 11.0 | — |
| Apple | Watchos | < 4 | — |
| Nodejs | Node.Js | >= 4.0.0, <= 4.1.2 | — |
| Nodejs | Node.Js | >= 4.2.0, < 4.8.2 | — |
| Nodejs | Node.Js | >= 6.0.0, <= 6.8.1 | — |
| Nodejs | Node.Js | >= 6.9.0, < 6.10.2 | — |
| Nodejs | Node.Js | >= 7.0.0, < 7.6.0 | — |
References
- https://www.openwall.com/lists/oss-security/2016/12/05/21Mailing List, Patch
- https://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.htmlThird Party Advisory
- https://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.htmlThird Party Advisory
- https://www.securityfocus.com/bid/95131Broken Link, Third Party Advisory, VDB Entry
- https://www.securitytracker.com/id/1039427Broken Link, Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:1220Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1221Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1222Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2999Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3046Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3047Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3453Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1402348Issue Tracking, Patch
- https://lists.debian.org/debian-lts-announce/2019/03/msg00027.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/01/msg00030.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201701-56Third Party Advisory
- https://security.gentoo.org/glsa/202007-54Third Party Advisory
- https://support.apple.com/HT208112Third Party Advisory
- https://support.apple.com/HT208113Third Party Advisory
- https://support.apple.com/HT208115Third Party Advisory
- https://support.apple.com/HT208144Third Party Advisory
- https://usn.ubuntu.com/4246-1/Third Party Advisory
- https://usn.ubuntu.com/4292-1/Third Party Advisory
- https://wiki.mozilla.org/MOSS/Secure_Open_Source/Completed#zlibThird Party Advisory
- https://wiki.mozilla.org/images/0/09/Zlib-report.pdfThird Party Advisory
- https://www.oracle.com/security-alerts/cpujul2020.htmlThird Party Advisory
- https://www.openwall.com/lists/oss-security/2016/12/05/21Mailing List, Patch
- https://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.htmlThird Party Advisory
- https://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.htmlThird Party Advisory
- https://www.securityfocus.com/bid/95131Broken Link, Third Party Advisory, VDB Entry
- https://www.securitytracker.com/id/1039427Broken Link, Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:1220Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1221Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1222Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2999Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3046Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3047Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3453Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1402348Issue Tracking, Patch
- https://lists.debian.org/debian-lts-announce/2019/03/msg00027.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/01/msg00030.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201701-56Third Party Advisory
- https://security.gentoo.org/glsa/202007-54Third Party Advisory
- https://support.apple.com/HT208112Third Party Advisory
- https://support.apple.com/HT208113Third Party Advisory
- https://support.apple.com/HT208115Third Party Advisory
- https://support.apple.com/HT208144Third Party Advisory
- https://usn.ubuntu.com/4246-1/Third Party Advisory
- https://usn.ubuntu.com/4292-1/Third Party Advisory
- https://wiki.mozilla.org/MOSS/Secure_Open_Source/Completed#zlibThird Party Advisory
- https://wiki.mozilla.org/images/0/09/Zlib-report.pdfThird Party Advisory
- https://www.oracle.com/security-alerts/cpujul2020.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-9842?
The inflateMark function in inflate.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving left shifts of negative integers.
How severe is CVE-2016-9842?
CVE-2016-9842 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 5.16% probability of exploitation in the next 30 days.
How do I fix CVE-2016-9842?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2016
- CVE-2016-9836The file scanning mechanism of JFilterInput::isFileSafe() in…
- CVE-2016-9837An issue was discovered in templates/beez3/html/com_content/…
- CVE-2016-9838An issue was discovered in components/com_users/models/regis…
- CVE-2016-9839In MapServer before 7.0.3, OGR driver error messages are too…7.5
- CVE-2016-9840inftrees.c in zlib 1.2.8 might allow context-dependent attac…8.8
- CVE-2016-9841inffast.c in zlib 1.2.8 might allow context-dependent attack…9.8
- CVE-2016-9843The crc32_big function in crc32.c in zlib 1.2.8 might allow …9.8
- CVE-2016-9844Buffer overflow in the zi_short function in zipinfo.c in Inf…
- CVE-2016-9845QEMU (aka Quick Emulator) built with the Virtio GPU Device e…6.5
- CVE-2016-9846QEMU (aka Quick Emulator) built with the Virtio GPU Device e…6.5
- CVE-2016-9847An issue was discovered in phpMyAdmin. When the user does no…
- CVE-2016-9848An issue was discovered in phpMyAdmin. phpinfo (phpinfo.php)…
Are you affected by CVE-2016-9842?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST