{"containers":{"cna":{"affected":[{"collectionURL":"https://repo.hex.pm","cpes":["cpe:2.3:a:membraneframework:membrane_mp4_plugin:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["Elixir.Membrane.MP4.Container.Header"],"packageName":"membrane_mp4_plugin","packageURL":"pkg:hex/membrane_mp4_plugin","product":"membrane_mp4_plugin","programFiles":["lib/membrane_mp4/container/header.ex"],"programRoutines":[{"name":"'Elixir.Membrane.MP4.Container.Header':parse/1"},{"name":"'Elixir.Membrane.MP4.Container.Header':parse_box_name/1"}],"repo":"https://github.com/membraneframework/membrane_mp4_plugin","vendor":"membraneframework","versions":[{"lessThan":"0.36.7","status":"affected","version":"0.3.0","versionType":"semver"}]},{"collectionURL":"https://github.com","cpes":["cpe:2.3:a:membraneframework:membrane_mp4_plugin:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["Elixir.Membrane.MP4.Container.Header"],"packageName":"membraneframework/membrane_mp4_plugin","packageURL":"pkg:github/membraneframework/membrane_mp4_plugin","product":"membrane_mp4_plugin","programFiles":["lib/membrane_mp4/container/header.ex"],"programRoutines":[{"name":"'Elixir.Membrane.MP4.Container.Header':parse/1"},{"name":"'Elixir.Membrane.MP4.Container.Header':parse_box_name/1"}],"repo":"https://github.com/membraneframework/membrane_mp4_plugin","vendor":"membraneframework","versions":[{"lessThan":"56373d1ddc86968e55fbde795c14eeba24357b57","status":"affected","version":"ae4bf04c393aa1562f3df3d33e20bc5cb8130de2","versionType":"git"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:membraneframework:membrane_mp4_plugin:*:*:*:*:*:*:*:*","versionEndExcluding":"0.36.7","versionStartIncluding":"0.3.0","vulnerable":true}],"operator":"OR"}]}],"credits":[{"lang":"en","type":"finder","value":"Łukasz Kita"},{"lang":"en","type":"remediation developer","value":"Łukasz Kita"},{"lang":"en","type":"remediation developer","value":"Mateusz Front"},{"lang":"en","type":"analyst","value":"Jonatan Männchen / EEF"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>Allocation of Resources Without Limits or Throttling vulnerability in membraneframework membrane_mp4_plugin allows unauthenticated denial-of-service via BEAM atom table exhaustion.</p><p>The MP4 box header parser converts each 4-byte box name to an atom using <tt>String.to_atom/1</tt> without validation. <tt>'Elixir.Membrane.MP4.Container.Header':parse_box_name/1</tt> in <tt>lib/membrane_mp4/container/header.ex</tt> interns every box name encountered while <tt>'Elixir.Membrane.MP4.Container.Header':parse/1</tt> walks the input. BEAM atoms are never garbage-collected, so each unique attacker-controlled 4-byte name is a permanent allocation. A crafted MP4 of approximately 8 MB containing roughly 1.1 million boxes with distinct non-standard names exhausts the atom table (default ceiling around 1,048,576 atoms), aborting the entire BEAM node and taking down all applications running on it.</p><p>This issue affects membrane_mp4_plugin from 0.3.0 before 0.36.7.</p>"}],"value":"Allocation of Resources Without Limits or Throttling vulnerability in membraneframework membrane_mp4_plugin allows unauthenticated denial-of-service via BEAM atom table exhaustion.\n\nThe MP4 box header parser converts each 4-byte box name to an atom using String.to_atom/1 without validation. 'Elixir.Membrane.MP4.Container.Header':parse_box_name/1 in lib/membrane_mp4/container/header.ex interns every box name encountered while 'Elixir.Membrane.MP4.Container.Header':parse/1 walks the input. BEAM atoms are never garbage-collected, so each unique attacker-controlled 4-byte name is a permanent allocation. A crafted MP4 of approximately 8 MB containing roughly 1.1 million boxes with distinct non-standard names exhausts the atom table (default ceiling around 1,048,576 atoms), aborting the entire BEAM node and taking down all applications running on it.\n\nThis issue affects membrane_mp4_plugin from 0.3.0 before 0.36.7."}],"impacts":[{"capecId":"CAPEC-130","descriptions":[{"lang":"en","value":"CAPEC-130 Excessive Allocation"}]}],"metrics":[{"cvssV4_0":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"LOCAL","baseScore":5.9,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-770","description":"CWE-770 Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-06-11T10:44:51.528Z","orgId":"6b3ad84c-e1a6-4bf7-a703-f496b71e49db","shortName":"EEF"},"references":[{"tags":["vendor-advisory","related"],"url":"https://github.com/membraneframework/membrane_mp4_plugin/security/advisories/GHSA-43hj-fxwj-49qw"},{"tags":["related"],"url":"https://cna.erlef.org/cves/CVE-2026-53423.html"},{"tags":["related"],"url":"https://osv.dev/vulnerability/EEF-CVE-2026-53423"},{"tags":["patch"],"url":"https://github.com/membraneframework/membrane_mp4_plugin/commit/56373d1ddc86968e55fbde795c14eeba24357b57"}],"source":{"discovery":"INTERNAL"},"title":"Unauthenticated denial-of-service via BEAM atom table exhaustion in membrane_mp4_plugin","x_generator":{"engine":"cvelib 1.8.0"}}},"cveMetadata":{"assignerOrgId":"6b3ad84c-e1a6-4bf7-a703-f496b71e49db","assignerShortName":"EEF","cveId":"CVE-2026-53423","datePublished":"2026-06-11T10:44:51.528Z","dateReserved":"2026-06-09T11:01:47.529Z","dateUpdated":"2026-06-11T10:44:51.528Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"}