VulnerabilityModified
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.
HIGH 8.8EPSS 5.20%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.20%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 5.20% probability · 92th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-1335
- Affected
- zlib/zlib · opensuse/leap · opensuse/opensuse · debian/debian linux · canonical/ubuntu linux · oracle/database server · oracle/jdk · oracle/jre · oracle/mysql · redhat/satellite · redhat/enterprise linux desktop · redhat/enterprise linux eus · redhat/enterprise linux server · redhat/enterprise linux workstation · apple/iphone os · apple/mac os x · apple/tvos · apple/watchos · nodejs/node.js
- Source
- security@opentext.com
References
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00127.htmlBroken Link
- http://lists.opensuse.org/opensuse-updates/2017-01/msg00050.htmlBroken Link
- http://lists.opensuse.org/opensuse-updates/2017-01/msg00053.htmlBroken Link
- http://www.openwall.com/lists/oss-security/2016/12/05/21Mailing List, Patch
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.htmlThird Party Advisory
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.htmlThird Party Advisory
- http://www.securityfocus.com/bid/95131Broken Link, Third Party Advisory, VDB Entry
- http://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://github.com/madler/zlib/commit/e54e1299404101a5a9d0cf5e45512b543967f958Patch
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.