Known vulnerabilities in zlib (Ubuntu package)

Software CPE: cpe:2.3:o:canonical:zlib_ubuntu_package:*:*:*:*:*:ubuntu:*:*
Total vulnerabilities: 5
Public exploits: 0
Known exploited (KEV): 0
Highest CVSSv4 Score: 8.8

Breakdown by Severity Chart

Severity distribution of vulnerabilities affecting zlib (Ubuntu package) zlib (Ubuntu package) is affected by 5 known vulnerabilities: 1 medium, 4 low Critical High Medium Low

Vulnerabilities (5)

Vulnerability CWE-ID CSH Severity Public Exploit KEV First fixed release Published Bulletins
#VU123895 - Resource exhaustion
CVE-2026-27171
CWE-400 Medium
No
No
1:1.3.dfsg-3.1ubuntu2.2, 1:1.3.dfsg+really1.3.1-1ubuntu3.1 11.03.2026 SB2026021955
SB2026031155
SB2026031156
and 10 more
#VU6663 - Out-of-bounds read
CVE-2016-9840
CWE-125 Low
No
No
1:1.2.8.dfsg-2ubuntu4.3 24.05.2017 SB2017052312
SB2017052405
SB2017052406
and 47 more
#VU6664 - Out-of-bounds read
CVE-2016-9841
CWE-125 Low
No
No
1:1.2.8.dfsg-2ubuntu4.3 24.05.2017 SB2017052312
SB2017052405
SB2017052406
and 34 more
#VU6665 - Improper input validation
CVE-2016-9842
CWE-20 Low
No
No
1:1.2.8.dfsg-2ubuntu4.3 24.05.2017 SB2017052312
SB2017052405
SB2017052406
and 23 more
#VU6666 - Out-of-bounds read
CVE-2016-9843
CWE-125 Low
No
No
1:1.2.8.dfsg-2ubuntu4.3 24.05.2017 SB2017052312
SB2017052405
SB2017052406
and 29 more