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netty-codec-http2: ByteBuf Reference-Count Leak in DelegatingDecompressorFrameListener Leads to Memory Exhaustion
netty-codec-http2: ByteBuf Reference-Count Leak in DelegatingDecompressorFrameListener Leads to Memory Exhaustion
Affected packages
- io.netty:netty-codec-http2— before 4.1.135.Final
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- 0.62%
- EPSS percentile
- 46.1%
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs. This advisory is in the top 46%.
Sources
- https://github.com/netty/netty/security/advisories/GHSA-c2gf-v879-257j
- https://nvd.nist.gov/vuln/detail/CVE-2026-48043
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-48043.json
- https://github.com/netty/netty/releases/tag/netty-4.2.15.Final
- https://github.com/netty/netty/releases/tag/netty-4.1.135.Final
- https://github.com/netty/netty
- https://bugzilla.redhat.com/show_bug.cgi?id=2488442
- https://access.redhat.com/security/cve/CVE-2026-48043
- https://access.redhat.com/errata/RHSA-2026:48151
- https://access.redhat.com/errata/RHSA-2026:48124
- https://access.redhat.com/errata/RHSA-2026:41951
- https://access.redhat.com/errata/RHSA-2026:37390
- https://access.redhat.com/errata/RHSA-2026:36820
- https://access.redhat.com/errata/RHSA-2026:34608
- https://access.redhat.com/errata/RHSA-2026:26586
- https://access.redhat.com/errata/RHSA-2026:26018
- https://access.redhat.com/errata/RHSA-2026:26017
Structured record: https://osv.dev/vulnerability/GHSA-c2gf-v879-257j
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