Vulnerability in Apple Iphone OS
CVE-2016-9843
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.058 (93.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.058 · newest: 0.058 · change: 0.000
Affected products
Public proof-of-concept exploits
References
- access.redhat.com/errata/RHSA-2017:1221 (vendor-advisory)
- access.redhat.com/errata/RHSA-2017:1220 (vendor-advisory)
- access.redhat.com/errata/RHSA-2017:3047 (vendor-advisory)
- www.openwall.com/lists/oss-security/2016/12/05/21 (mailing-list)
- www.securityfocus.com/bid/95131 (vdb-entry)
- www.securitytracker.com/id/1041888 (vdb-entry)
- access.redhat.com/errata/RHSA-2017:3046 (vendor-advisory)
- lists.opensuse.org/opensuse-updates/2017-01/msg00050.html (vendor-advisory)
- security.gentoo.org/glsa/201701-56 (vendor-advisory)
- www.securitytracker.com/id/1039427 (vdb-entry)
Frequently asked questions
- What is CVE-2016-9843?
- CVE-2016-9843 is a critical-severity vulnerability in Apple Iphone OS. CVSS score: 9.8/10. Published 2017-05-23.
- How severe is CVE-2016-9843?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2016-9843 known to be exploited?
- 10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.