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01
Record
STATE: —
02
Description
SRC: CNA
03
Metadata
SCHEMA: CVE JSON 5
04
Affected products
PAIRS: —
05
References
REFS: —
01
Record
STATE: PUBLISHED
CVE-2026-62243
Netty 4.2.0 through 4.2.16 TLS Hostname Verification Bypass
High
PUBLISHED
CNA: VulnCheck
Base score
8.7
CVSS v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
View raw JSON
CVE Program record
02
Description
CNA: VulnCheck
Netty 4.2.0 through 4.2.16 TLS Hostname Verification Bypass
03
Metadata
SCHEMA: 5.2
Published
2026-08-22 12:26Z
2 HR AGO
Last updated
2026-08-22 12:26Z
2 HR AGO
Reserved
2026-07-13
Assigning CNA
VulnCheck
Record state
PUBLISHED
Severity
High (CVSS 8.7)
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Weaknesses
CWE-297
Improper Validation of Certificate with Host Mismatch
Variant
SSVC decision
No CISA-ADP assessment
Data version
5.2
Document digest
57af0e48481f4b15e82d2a22753c755033c60e699d201a8a5e2235aa33014641
04
Affected products
PAIRS: 1
Vendor
Product
Versions
Platforms
netty
netty
4.2.0.Final to < 4.2.16.Final, 0 to < 4.1.137.Final
—
05
References
REFS: 2
github.com
GitHub Security Advisory (GHSA-p85m-gvr3-788c)
https://github.com/netty/netty/security/advisories/GHSA-p85m-gvr3-788c
vendor-advisory
www.vulncheck.com
VulnCheck Advisory: Netty 4.2.0 through 4.2.16 TLS Hostname Verification Bypass
https://www.vulncheck.com/advisories/netty-through-tls-hostname-verification-bypass
third-party-advisory