{"affected":[{"defaultStatus":"unknown","ecosystem":"software-id","packageName":"otp","product":"OTP","source":"CNA: EEF","vendor":"Erlang","versions":[{"changes":[{"at":"27.3.4.17","status":"unaffected"},{"at":"28.5.0.6","status":"unaffected"},{"at":"29.0.6","status":"unaffected"}],"lessThan":"*","status":"affected","version":"17.0","versionType":"otp"}]},{"defaultStatus":"unknown","ecosystem":"otp","packageName":"inets","product":"OTP","source":"CNA: EEF","vendor":"Erlang","versions":[{"changes":[{"at":"9.3.2.7","status":"unaffected"},{"at":"9.6.2.3","status":"unaffected"},{"at":"9.7.2","status":"unaffected"}],"lessThan":"*","status":"affected","version":"5.10","versionType":"otp"}]},{"defaultStatus":"unknown","ecosystem":"github","packageName":"erlang/otp","product":"OTP","source":"CNA: EEF","vendor":"Erlang","versions":[{"lessThan":"591dc00dc99dc2a426167a3b5257c0c94bd45e91","status":"affected","version":"84adefa331c4159d432d22840663c38f155cd4c1","versionType":"git"},{"lessThan":"*","status":"unaffected","version":"591dc00dc99dc2a426167a3b5257c0c94bd45e91","versionType":"git"}]}],"cveId":"CVE-2026-73812","cwes":["CWE-444"],"description":"httpd function check_header/3 rejects duplicate Content-Length (per CVE-2026-23941) but never checks for the TE+CL co-presence that RFC 9112 §6.3 identifies as a probable smuggling attempt. handle_body/3 frames by chunked and silently discards Content-Length. A CL-preferring front-end paired with chunked-preferring inets creates a classic CL.TE front-end/back-end desync.\n\nThis issue affects OTP from OTP 17.0 before OTP 27.3.4.17, OTP 28.5.0.6, and OTP 29.0.6, corresponding to inets from 5.10 before 9.3.2.7, 9.6.2.3, and 9.7.2. Whether OTP before OTP 17.0, corresponding to inets before 5.10, is affected is unknown.","epss":{"date":"2026-11-10","percentile":0.44767,"score":0.00524},"exploits":[],"kev":null,"metrics":[{"score":8.3,"severity":"high","source":"CNA: EEF","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0"}],"modifiedAt":1794404678119,"publishedAt":1788273762374,"references":[{"source":"CNA: EEF","tags":["vendor-advisory"],"url":"https://github.com/erlang/otp/security/advisories/GHSA-7j6m-4ffg-hg46"},{"source":"CNA: EEF","tags":["related"],"url":"https://cna.erlef.org/cves/CVE-2026-73812.html"},{"source":"CNA: EEF","tags":["related"],"url":"https://osv.dev/vulnerability/EEF-CVE-2026-73812"},{"source":"CNA: EEF","tags":["x_version-scheme"],"url":"https://www.erlang.org/doc/system/versions.html#order-of-versions"},{"source":"CNA: EEF","tags":["patch"],"url":"https://github.com/erlang/otp/commit/591dc00dc99dc2a426167a3b5257c0c94bd45e91"}],"remediation":[{"kind":"fix","source":"CNA: EEF","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/erlang/otp/commit/591dc00dc99dc2a426167a3b5257c0c94bd45e91"}],"revision":"6f9e9006b4e6f6c508ef4ecfabb581abdaf41bdbdb51c05ade275556e1159513","sources":[{"modifiedAt":1794404678119,"name":"CNA: EEF","retrievedAt":1794406205833,"url":"https://www.cve.org/CVERecord?id=CVE-2026-73812"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794406223753,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-73812"}],"ssvc":{"assessedAt":1788278192935,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"inets, httpd: HTTP Request Smuggling via Transfer-Encoding and Content-Length","updatedAt":1794406223753}