HIGHMaven →
Netty HTTP/3 QPACK Blocked Streams Memory Exhaustion
Netty HTTP/3 QPACK Blocked Streams Memory Exhaustion
Affected packages
- io.netty:netty-codec-http3— 4.2.0.Final → 4.2.15.Final
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- 0.37%
- EPSS percentile
- 29.3%
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs. This advisory is in the top 29%.
Sources
- https://github.com/netty/netty/security/advisories/GHSA-4grm-h2qv-h6w6
- https://nvd.nist.gov/vuln/detail/CVE-2026-48748
- https://github.com/netty/netty/commit/75127cab731ee35068d1f0667bffa188bc332f5d
- https://access.redhat.com/security/cve/CVE-2026-48748
- https://bugzilla.redhat.com/show_bug.cgi?id=2488441
- https://github.com/netty/netty
- https://github.com/netty/netty/releases/tag/netty-4.2.15.Final
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-48748.json
Structured record: https://osv.dev/vulnerability/GHSA-4grm-h2qv-h6w6
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