CRITICAL · 9.8

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.

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
ZlibZlib>= 1.2.0, < 1.2.9
OpensuseLeap42.1
OpensuseOpensuse13.2
DebianDebian Linux8.0
CanonicalUbuntu Linux16.04
OracleDatabase Server18c
OracleJdk1.6.0
OracleJre1.6.0
OracleMysql>= 5.5.0, <= 5.5.61
RedhatSatellite5.8
RedhatEnterprise Linux Desktop6.0
RedhatEnterprise Linux Eus7.4
RedhatEnterprise Linux Server6.0
RedhatEnterprise Linux Workstation6.0
AppleIphone Os< 11
AppleMac Os X>= 10.0.0, < 10.13.0
AppleTvos< 11.0
AppleWatchos< 4
NetappActive Iq Unified Manager>= 7.3
NetappOncommand Insight-

References

FAQ

What is CVE-2016-9843?

CVE-2016-9843 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 severe is CVE-2016-9843?

CVE-2016-9843 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2016-9843?

Check the references section above for vendor advisories and patch information. Affected products include: Zlib Zlib, Opensuse Leap, Opensuse Opensuse, Debian Debian Linux, Canonical Ubuntu Linux.