Known vulnerabilities in Apache Log4j 2.16.0

Software: Apache Log4j
Version: 2.16.0
Software CPE: cpe:2.3:a:apache_foundation:log4j:*:*:*:*:*:*:*:*
Total vulnerabilities: 7
Public exploits: 0
Known exploited (KEV): 0

Vulnerabilities by Severity

Severity distribution of vulnerabilities affecting Apache Log4j version 2.16.0 Apache Log4j 2.16.0 is affected by 7 vulnerabilities: 7 medium Critical High Medium Low

Vulnerabilities (7)

Vulnerability CWE-ID CSH Severity Public Exploit KEV First fixed release Published Bulletins
#VU128403 - Improper Encoding or Escaping of Output
CVE-2026-34481
CWE-116 Medium
No
No
2.25.4 28.04.2026 SB20260428217
SB20260513128
SB2026052731
and 63 more
#VU128402 - Improper Encoding or Escaping of Output
CVE-2026-34480
CWE-116 Medium
No
No
2.25.4 28.04.2026 SB20260428217
SB20260513128
SB2026052632
and 27 more
#VU128401 - Improper Encoding or Escaping of Output
CVE-2026-34479
CWE-116 Medium
No
No
2.25.4 28.04.2026 SB20260428217
SB20260513128
SB2026052632
and 20 more
#VU128399 - Improper Certificate Validation
CVE-2026-34477
CWE-295 Medium
No
No
2.25.4 28.04.2026 SB20260428217
SB20260513128
SB2026052632
and 24 more
#VU120231 - Improper Validation of Certificate with Host Mismatch
CVE-2025-68161
CWE-297 Medium
No
No
2.25.3 22.12.2025 SB2025122245
SB2026012084
SB2026012087
and 109 more
#VU59098 - Improper Control of Generation of Code ('Code Injection')
CVE-2021-44832
CWE-94 Medium
No
No
2.17.1 28.12.2021 SB2021122816
SB2021123002
SB2022010601
and 197 more
#VU59051 - Loop with Unreachable Exit Condition ('Infinite Loop')
CVE-2021-45105
CWE-835 Medium
Public exploit available
No
2.17.0 18.12.2021 SB2021121802
SB2021121903
SB2021122011
and 170 more