Out-of-bounds Read in Netty Netty-incubator-codec-ohttp
CVE-2026-48040
The netty incubator codec.bhttp is a java language binary http parser. The library implements Oblivious HTTP (RFC 9458) using BoringSSL's HPKE C library via JNI. When deriving native memory addresses for cryptographic operations versions p…
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Netty Netty-incubator-codec-ohttp — versions < 0.0.22.Final
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-48040?
- CVE-2026-48040 is a critical-severity vulnerability in Netty Netty-incubator-codec-ohttp, classified under Out-of-bounds Read. CVSS score: 9.1/10. Published 2026-06-04.
- How severe is CVE-2026-48040?
- Critical severity. CVSS v3 base score is 9.1 out of 10.