CVE-2025-58057 (GCVE-0-2025-58057)
Vulnerability from cvelistv5
Published
2025-09-03 21:46
Modified
2025-09-04 19:59
Severity ?
6.9 (Medium) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CWE
  • CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
Summary
Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. In netty-codec-compression versions 4.1.124.Final and below, and netty-codec versions 4.2.4.Final and below, when supplied with specially crafted input, BrotliDecoder and certain other decompression decoders will allocate a large number of reachable byte buffers, which can lead to denial of service. BrotliDecoder.decompress has no limit in how often it calls pull, decompressing data 64K bytes at a time. The buffers are saved in the output list, and remain reachable until OOM is hit. This is fixed in versions 4.1.125.Final of netty-codec and 4.2.5.Final of netty-codec-compression.
References
security-advisories@github.comhttps://github.com/netty/netty/commit/9d804c54ce962408ae6418255a83a13924f7145dPatch
security-advisories@github.comhttps://github.com/netty/netty/security/advisories/GHSA-3p8m-j85q-pgmjExploit, Vendor Advisory
Impacted products
Vendor Product Version
netty netty Version: <= 4.1.124.Final, < 4.1.125.Final
Version: <= 4.2.4.Final, < 4.2.5.Final
 Create a notification for this product.
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