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CVE-2026-44891

Netty is a network application framework for development of protocol servers and clients. Prior to 4.1.136.Final and 4.2.16.Final, io.netty.handler.codec.stomp.StompSubframeDecoder fails to limit the total number of headers or their cumulative size per frame, and the maxLineLength parameter only restricts individual header lines. An attacker can send a large number of short headers that are accumulated in memory inside DefaultStompHeadersSubframe until the JVM throws an OutOfMemoryError, causing
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:cb2486bf56b9806e8264d765b0cb205a719b23dc6a3f9744055e9e0e0c119322
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-400","description":"CWE-400: Uncontrolled Resource Consumption","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9e9c20823d48af2aa98e49cd8262fbc60110e26203c2137d35052c7e28f9bedf · sha256:a70a872becece746… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-770","description":"CWE-770: Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9e9c20823d48af2aa98e49cd8262fbc60110e26203c2137d35052c7e28f9bedf · sha256:a70a872becece746… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"netty","vendor":"netty","versions":[{"status":"affected","version":"< 4.1.136.Final"},{"status":"affected","version":">= 4.2.0.Final, < 4.2.16.Final"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9e9c20823d48af2aa98e49cd8262fbc60110e26203c2137d35052c7e28f9bedf · sha256:a70a872becece746… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9e9c20823d48af2aa98e49cd8262fbc60110e26203c2137d35052c7e28f9bedf · sha256:a70a872becece746… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-400","description":"CWE-400: Uncontrolled Resource Consumption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9e9c20823d48af2aa98e49cd8262fbc60110e26203c2137d35052c7e28f9bedf · sha256:a70a872becece746… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-770","description":"CWE-770: Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9e9c20823d48af2aa98e49cd8262fbc60110e26203c2137d35052c7e28f9bedf · sha256:a70a872becece746… · /containers/cna/problemTypes/1/descriptions/0

Source references

8 source assertions
{"name":"https://github.com/netty/netty/commit/5b68c61f37aa4a3045cba624cbea239655c9003b","tags":["x_refsource_MISC"],"url":"https://github.com/netty/netty/commit/5b68c61f37aa4a3045cba624cbea239655c9003b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9e9c20823d48af2aa98e49cd8262fbc60110e26203c2137d35052c7e28f9bedf · sha256:a70a872becece746… · /containers/cna/references/3
{"name":"https://github.com/netty/netty/commit/bb2ff68a1fb71cb4b0eb9a9e17b66c52aff680c6","tags":["x_refsource_MISC"],"url":"https://github.com/netty/netty/commit/bb2ff68a1fb71cb4b0eb9a9e17b66c52aff680c6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9e9c20823d48af2aa98e49cd8262fbc60110e26203c2137d35052c7e28f9bedf · sha256:a70a872becece746… · /containers/cna/references/4
{"name":"https://github.com/netty/netty/pull/17063","tags":["x_refsource_MISC"],"url":"https://github.com/netty/netty/pull/17063"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9e9c20823d48af2aa98e49cd8262fbc60110e26203c2137d35052c7e28f9bedf · sha256:a70a872becece746… · /containers/cna/references/1
{"name":"https://github.com/netty/netty/pull/17065","tags":["x_refsource_MISC"],"url":"https://github.com/netty/netty/pull/17065"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9e9c20823d48af2aa98e49cd8262fbc60110e26203c2137d35052c7e28f9bedf · sha256:a70a872becece746… · /containers/cna/references/2
{"name":"https://github.com/netty/netty/releases/tag/netty-4.1.136.Final","tags":["x_refsource_MISC"],"url":"https://github.com/netty/netty/releases/tag/netty-4.1.136.Final"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9e9c20823d48af2aa98e49cd8262fbc60110e26203c2137d35052c7e28f9bedf · sha256:a70a872becece746… · /containers/cna/references/5
{"name":"https://github.com/netty/netty/releases/tag/netty-4.2.16.Final","tags":["x_refsource_MISC"],"url":"https://github.com/netty/netty/releases/tag/netty-4.2.16.Final"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9e9c20823d48af2aa98e49cd8262fbc60110e26203c2137d35052c7e28f9bedf · sha256:a70a872becece746… · /containers/cna/references/6
{"tags":["exploit"],"url":"https://github.com/netty/netty/security/advisories/GHSA-vhch-2wf3-m8rp"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9e9c20823d48af2aa98e49cd8262fbc60110e26203c2137d35052c7e28f9bedf · sha256:a70a872becece746… · /containers/adp/0/references/0
{"name":"https://github.com/netty/netty/security/advisories/GHSA-vhch-2wf3-m8rp","tags":["x_refsource_CONFIRM"],"url":"https://github.com/netty/netty/security/advisories/GHSA-vhch-2wf3-m8rp"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9e9c20823d48af2aa98e49cd8262fbc60110e26203c2137d35052c7e28f9bedf · sha256:a70a872becece746… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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