{"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":"erts","product":"OTP","source":"CNA: EEF","vendor":"Erlang","versions":[{"changes":[{"at":"15.2.7.13","status":"unaffected"},{"at":"16.4.0.6","status":"unaffected"},{"at":"17.0.6","status":"unaffected"}],"lessThan":"*","status":"affected","version":"6.0","versionType":"otp"}]},{"defaultStatus":"unknown","ecosystem":"github","packageName":"erlang/otp","product":"OTP","source":"CNA: EEF","vendor":"Erlang","versions":[{"lessThan":"08e8efdba8500d2d6f54c6b1de1492b228017c9b","status":"affected","version":"84adefa331c4159d432d22840663c38f155cd4c1","versionType":"git"},{"lessThan":"*","status":"unaffected","version":"08e8efdba8500d2d6f54c6b1de1492b228017c9b","versionType":"git"}]}],"cveId":"CVE-2026-75538","cwes":["CWE-190","CWE-122"],"description":"An attacker that connects to an open Erlang TCP port that uses the inet driver with {packet,4} mode can use a signed overflow in an incorrect packet length calculation to overflow the receive buffer into the VM allocator area and beyond up to about 2 GB.\n\nThis would easily trash the allocated block's allocator metadata footer, and the next block, if any, and most likely cause the BEAM VM to crash. Utilizing this with precision enough to achieve Remote Code Execution would be extremely unfeasible.\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 erts from 6.0 before 15.2.7.13, 16.4.0.6, and 17.0.6. Whether OTP before OTP 17.0, corresponding to erts before 6.0, is affected is unknown.","epss":{"date":"2026-11-10","percentile":0.58606,"score":0.00854},"exploits":[],"kev":null,"metrics":[{"score":8.2,"severity":"high","source":"CNA: EEF","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"}],"modifiedAt":1794404073003,"publishedAt":1788274106309,"references":[{"source":"CNA: EEF","tags":["vendor-advisory"],"url":"https://github.com/erlang/otp/security/advisories/GHSA-8m6r-2pj2-25pm"},{"source":"CNA: EEF","tags":["related"],"url":"https://cna.erlef.org/cves/CVE-2026-75538.html"},{"source":"CNA: EEF","tags":["related"],"url":"https://osv.dev/vulnerability/EEF-CVE-2026-75538"},{"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/08e8efdba8500d2d6f54c6b1de1492b228017c9b"}],"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/08e8efdba8500d2d6f54c6b1de1492b228017c9b"}],"revision":"c9713b75a9934ae4d671a7c612ce40aacd20a695372077c54735dfd13ca5dc59","sources":[{"modifiedAt":1794404073003,"name":"CNA: EEF","retrievedAt":1794406210333,"url":"https://www.cve.org/CVERecord?id=CVE-2026-75538"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794406223306,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-75538"}],"ssvc":{"assessedAt":1788278291549,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"A Signed Length Overflow in Erlang/OTP's inet TCP Driver Overflows the Receive Buffer Into BEAM VM Memory From an Unauthenticated Peer","updatedAt":1794406223306}