CVE-2016-9843
9.8
CRITICAL
CVSS 3.1
EPSS 17.7%
Description
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.
How to fix CVE-2016-9843
To remediate CVE-2016-9843, upgrade the affected package to a fixed version below.
- Alpine/mariadb—upgrade to 10.3.11-r0 or later
- Alpine/perl—upgrade to 5.24.3-r1 or later
- Alpine/zlib—upgrade to 1.2.11-r0 or later
- —upgrade to 3.1.3-6 or later
- —upgrade to 1:1.2.8.dfsg-3 or later
Is CVE-2016-9843 being exploited?
Moderate — EPSS is 17.7%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (5)
- from 0, < 10.3.11-r0
- from 0, < 5.24.3-r1
- from 0, < 1.2.11-r0
- from 0, < 3.1.3-6
- from 0, < 1:1.2.8.dfsg-3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |