Information disclosure in Netty
CVE-2026-45536
Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, netty_unix_socket_recvFd sets msg_control to `char control[CMSG_SPACE(sizeof(int))]` (line 940) — 2…
Vulnerability class: Information Disclosure
EPSS: 0.001 (3.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Netty — versions >= 4.2.0.Final, < 4.2.15.Final, < 4.1.135.Final
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_MISC, Release Notes)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-45536?
- CVE-2026-45536 is a medium-severity vulnerability in Netty, classified under Information Disclosure. CVSS score: 4.0/10. Published 2026-06-12.
- How severe is CVE-2026-45536?
- Medium severity. CVSS v3 base score is 4.0 out of 10.