Numeric Errors The advisory has been revoked - it doesn't affect any version of package zlib (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-UBUNTU1910-ZLIB-663099
- published23 May 2017
- disclosed23 May 2017
Introduced: 23 May 2017
CVE-2016-9843 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:19.10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream zlib package and not the zlib package as distributed by Ubuntu.
The crc32_big function in crc32.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving big-endian CRC calculation.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-9843
- https://support.apple.com/HT208112
- https://support.apple.com/HT208113
- https://support.apple.com/HT208115
- https://support.apple.com/HT208144
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9843
- https://lists.debian.org/debian-lts-announce/2019/03/msg00027.html
- https://security-tracker.debian.org/tracker/CVE-2016-9843
- https://security.gentoo.org/glsa/202007-54
- https://security.gentoo.org/glsa/201701-56
- https://github.com/madler/zlib/commit/d1d577490c15a0c6862473d7576352a9f18ef811
- https://wiki.mozilla.org/images/0/09/Zlib-report.pdf
- https://wiki.mozilla.org/MOSS/Secure_Open_Source/Completed#zlib
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://lists.debian.org/debian-lts-announce/2020/01/msg00030.html
- https://security.netapp.com/advisory/ntap-20181018-0002/
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00127.html
- http://lists.opensuse.org/opensuse-updates/2017-01/msg00050.html
- http://lists.opensuse.org/opensuse-updates/2017-01/msg00053.html
- http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
- http://www.openwall.com/lists/oss-security/2016/12/05/21
- https://bugzilla.redhat.com/show_bug.cgi?id=1402351
- https://access.redhat.com/errata/RHSA-2017:1220
- https://access.redhat.com/errata/RHSA-2017:1221
- https://access.redhat.com/errata/RHSA-2017:1222
- https://access.redhat.com/errata/RHSA-2017:2999
- https://access.redhat.com/errata/RHSA-2017:3046
- https://access.redhat.com/errata/RHSA-2017:3047
- https://access.redhat.com/errata/RHSA-2017:3453
- http://www.securityfocus.com/bid/95131
- http://www.securitytracker.com/id/1039427
- http://www.securitytracker.com/id/1041888
- https://usn.ubuntu.com/4246-1/
- https://usn.ubuntu.com/4292-1/