Linux Distros Unpatched Vulnerability : CVE-2026-100661

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Netty's HTTP/3 codec io.netty:netty-codec-http3 versions 4.2.0.Final through 4.2.17.Final contain a denial-of-service vulnerability in the QPACK prefixed-intege...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in QpackUtil.decodePrefixedInteger, which places no bound on continuation bytes, unlike the HPACK decoder that stops at shift == 56, so an unterminated run returns -1 for buffer...

CVE-2026-100661

Netty's HTTP/3 codec io.netty:netty-codec-http3 versions 4.2.0.Final through 4.2.17.Final contain a denial-of-service vulnerability in the QPACK prefixed-integer decoder QpackUtil.decodePrefixedInteger, which does not bound the number of continuation bytes it will process. A remote, unauthenticat...

CVE-2026-100661

Netty's HTTP/3 codec io.netty:netty-codec-http3 versions 4.2.0.Final through 4.2.17.Final contain a denial-of-service vulnerability in the QPACK prefixed-integer decoder QpackUtil.decodePrefixedInteger, which does not bound the number of continuation bytes it will process. A remote, unauthenticat...

UBUNTU-CVE-2026-100661

Netty's HTTP/3 codec io.netty:netty-codec-http3 versions 4.2.0.Final through 4.2.17.Final contain a denial-of-service vulnerability in the QPACK prefixed-integer decoder QpackUtil.decodePrefixedInteger, which does not bound the number of continuation bytes it will process. A remote, unauthenticat...

EUVD-2026-87755

Netty's HTTP/3 codec io.netty:netty-codec-http3 versions 4.2.0.Final through 4.2.17.Final contain a denial-of-service vulnerability in the QPACK prefixed-integer decoder QpackUtil.decodePrefixedInteger, which does not bound the number of continuation bytes it will process. A remote, unauthenticat...

CVE-2026-100661

Netty's HTTP/3 codec (io.netty:netty-codec-http3) versions 4.2.0.Final through 4.2.17.Final are vulnerable to a Denial of Service (DoS) attack. The root cause is an unbounded number of continuation bytes processed in the QPACK prefixed-integer decoder (QpackUtil.decodePrefixedInteger). A remote, ...

CVE-2026-100661 Netty HTTP/3 QPACK Prefixed Integer DoS via Unbounded Accumulation

Netty's HTTP/3 codec io.netty:netty-codec-http3 versions 4.2.0.Final through 4.2.17.Final contain a denial-of-service vulnerability in the QPACK prefixed-integer decoder QpackUtil.decodePrefixedInteger, which does not bound the number of continuation bytes it will process. A remote, unauthenticat...

CVE-2026-100661 Netty HTTP/3 QPACK Prefixed Integer DoS via Unbounded Accumulation

Netty's HTTP/3 codec io.netty:netty-codec-http3 versions 4.2.0.Final through 4.2.17.Final contain a denial-of-service vulnerability in the QPACK prefixed-integer decoder QpackUtil.decodePrefixedInteger, which does not bound the number of continuation bytes it will process. A remote, unauthenticat...

CVE-2026-100661 Netty HTTP/3 QPACK Prefixed Integer DoS via Unbounded Accumulation

Netty's HTTP/3 codec io.netty:netty-codec-http3 versions 4.2.0.Final through 4.2.17.Final contain a denial-of-service vulnerability in the QPACK prefixed-integer decoder QpackUtil.decodePrefixedInteger, which does not bound the number of continuation bytes it will process. A remote, unauthenticat...

PT-2026-99332

Name of the Vulnerable Software and Affected Versions netty-codec-http3 versions 4.2.0.Final through 4.2.17.Final Description A denial-of-service issue exists in the QPACK prefixed-integer decoder QpackUtil.decodePrefixedInteger that fails to bound the number of continuation bytes processed. A...

CVE-2026-100661: Uncontrolled Resource Consumption

Netty's HTTP/3 codec io.netty:netty-codec-http3 versions 4.2.0.Final through 4.2.17.Final contain a denial-of-service vulnerability in the QPACK prefixed-integer decoder QpackUtil.decodePrefixedInteger, which does not bound the number of continuation bytes it will process. A remote, unauthenticat...