{"id":"CVE-2026-94636","aliases":["AZL-105410","BIT-thrift-2026-94636","DEBIAN-CVE-2026-94636","EUVD-2026-91560","GHSA-25j2-4rc9-8hj6","UBUNTU-CVE-2026-94636"],"status":"published","title":"Apache Thrift: Python `TZlibTransport` stops enforcing its decompressed-size limit once the limit is exactly used up","description":"Improper handling of highly compressed data (data amplification), Function call with incorrectly specified arguments, Improper validation of specified quantity in input vulnerability in Apache Thrift py bindings.\n\n\n\nThis issue affects Apache Thrift: before 0.25.0.\n\n\n\nUsers are recommended to upgrade to version 0.25.0, which fixes the issue.","severity":{"version":"4.0","score":8.2,"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00277,"percentile":0.2043,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1284","CWE-409","CWE-628"],"published":"2026-10-02T11:47:54Z","modified":"2026-11-02T14:16:35Z","fixes":[{"ecosystem":"Azure Linux:3","package":"thrift","fixed_in":["0.25.0-1"],"sources":["osv"]},{"ecosystem":"Bitnami","package":"thrift","fixed_in":["0.25.0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Azure Linux:3","package":"thrift","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.25.0-1"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"thrift","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.25.0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"thrift","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.17.0-2","0.17.0-3","0.17.0-4","0.18.1-1","0.18.1-2","0.19.0-1","0.19.0-2","0.19.0-2.1","0.19.0-2.1~exp1","0.19.0-3","0.19.0-4","0.20.0-1","0.22.0-1","0.22.0-2","0.22.0-3","0.22.0-4","0.23.0-1","0.23.0-2","0.23.0-3","0.24.0-1","0.24.0-2"]},{"source":"osv","ecosystem":"Debian:13","package":"thrift","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.19.0-4","0.20.0-1","0.22.0-1","0.22.0-2","0.22.0-3","0.22.0-4","0.23.0-1","0.23.0-2","0.23.0-3","0.24.0-1","0.24.0-2"]},{"source":"osv","ecosystem":"Debian:14","package":"thrift","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.19.0-4","0.20.0-1","0.22.0-1","0.22.0-2","0.22.0-3","0.22.0-4","0.23.0-1","0.23.0-2","0.23.0-3","0.24.0-1","0.24.0-2"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"python-thrift","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.1-2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"python-thrift","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.1-2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"thrift","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.11.0-6","0.13.0-2build1","0.13.0-2build2"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"thrift","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.13.0-6ubuntu1","0.13.0-6ubuntu2","0.13.0-6ubuntu3","0.13.0-7","0.16.0-2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"thrift","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.17.0-4","0.19.0-2","0.19.0-2build1","0.19.0-2.1build4","0.19.0-2.1build5"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"thrift","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.22.0-3ubuntu1","0.23.0-3","0.23.0-3ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"thrift","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.19.0-4build1","0.22.0-3","0.22.0-3ubuntu1"]}],"products":[{"vendor":"apache software foundation","product":"apache thrift"}],"references":[{"url":"https://lists.apache.org/thread/33otcgbqd27wf6qq810q56znzbomnhg1","tags":["vendor-advisory","web","report"]},{"url":"https://lists.apache.org/thread/1rpq0d0g6yzjjzl1z27lwmvhzkn6rbrs","tags":["vendor-advisory","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-94636","tags":["web"]},{"url":"https://github.com/advisories/GHSA-25j2-4rc9-8hj6"},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-94636","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-94636","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-94636","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-94636","title":"Apache Thrift: Python `TZlibTransport` stops enforcing its decompressed-size limit once the limit is exactly used up","description":"Improper handling of highly compressed data (data amplification), Function call with incorrectly specified arguments, Improper validation of specified quantity in input vulnerability in Apache Thrift py bindings.\n\n\n\nThis issue affects Apache Thrift: before 0.25.0.\n\n\n\nUsers are recommended to upgrade to version 0.25.0, which fixes the issue.","status":"published","published":"2026-10-02T11:47:54.613Z","modified":"2026-10-02T17:32:21.357Z","cvss":[{"version":"4.0","score":8.2,"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","level":"high","assessor":"cna"}],"cwes":["CWE-409","CWE-628","CWE-1284"],"updated_at":"2026-11-02T14:19:54.122945Z"}],"euvd":[{"id":"EUVD-2026-91560","description":"Improper handling of highly compressed data (data amplification), Function call with incorrectly specified arguments, Improper validation of specified quantity in input vulnerability in Apache Thrift py bindings.\n\n\n\nThis issue affects Apache Thrift: before 0.25.0.\n\n\n\nUsers are recommended to upgrade to version 0.25.0, which fixes the issue.","status":"published","published":"2026-10-02T11:47:54Z","modified":"2026-10-02T17:32:21Z","cvss":[{"version":"4.0","score":8.2,"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","level":"high"}],"updated_at":"2026-11-02T17:27:42.349288Z"}],"ghsa":[{"id":"GHSA-25j2-4rc9-8hj6","title":"Improper handling of highly compressed data (data amplification), Function call with incorrectly...","description":"Improper handling of highly compressed data (data amplification), Function call with incorrectly specified arguments, Improper validation of specified quantity in input vulnerability in Apache Thrift py bindings.\n\n\n\nThis issue affects Apache Thrift: before 0.25.0.\n\n\n\nUsers are recommended to upgrade to version 0.25.0, which fixes the issue.","status":"published","published":"2026-10-02T12:31:18Z","modified":"2026-10-02T12:31:21Z","cvss":[{"version":"4.0","score":8.2,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"}],"cwes":["CWE-409"],"updated_at":"2026-11-02T15:12:43.051947Z"}],"nvd":[{"id":"CVE-2026-94636","description":"Improper handling of highly compressed data (data amplification), Function call with incorrectly specified arguments, Improper validation of specified quantity in input vulnerability in Apache Thrift py bindings.\n\n\n\nThis issue affects Apache Thrift: before 0.25.0.\n\n\n\nUsers are recommended to upgrade to version 0.25.0, which fixes the issue.","status":"published","published":"2026-10-02T12:17:23.183Z","modified":"2026-10-02T18:17:07.99Z","cvss":[{"version":"4.0","score":8.2,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"}],"cwes":["CWE-409","CWE-628","CWE-1284"],"updated_at":"2026-11-02T14:12:53.41762Z"}],"osv":[{"id":"DEBIAN-CVE-2026-94636","description":"Improper handling of highly compressed data (data amplification), Function call with incorrectly specified arguments, Improper validation of specified quantity in input vulnerability in Apache Thrift py bindings.    This issue affects Apache Thrift: before 0.25.0.    Users are recommended to upgrade to version 0.25.0, which fixes the issue.","status":"published","published":"2026-10-02T12:17:23.183Z","modified":"2026-10-03T05:00:11.323387313Z","cvss":[{"version":"4.0","score":8.2,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"}],"updated_at":"2026-11-02T15:46:07.324252Z"},{"id":"UBUNTU-CVE-2026-94636","description":"Improper handling of highly compressed data (data amplification), Function call with incorrectly specified arguments, Improper validation of specified quantity in input vulnerability in Apache Thrift py bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the issue.","status":"published","published":"2026-10-02T12:17:00Z","modified":"2026-10-17T13:01:18.84128317Z","cvss":[{"version":"4.0","score":8.2,"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","level":"high"}],"updated_at":"2026-11-02T16:57:44.071534Z"},{"id":"AZL-105410","title":"CVE-2026-94636 affecting package thrift for versions less than 0.25.0-1","description":"Improper handling of highly compressed data (data amplification), Function call with incorrectly specified arguments, Improper validation of specified quantity in input vulnerability in Apache Thrift py bindings.\n\n\n\nThis issue affects Apache Thrift: before 0.25.0.\n\n\n\nUsers are recommended to upgrade to version 0.25.0, which fixes the issue.","status":"published","published":"2026-10-02T12:17:23Z","modified":"2026-11-02T14:16:35.660232686Z","updated_at":"2026-11-02T15:28:01.09948Z"},{"id":"BIT-thrift-2026-94636","title":"Apache Thrift: Python `TZlibTransport` stops enforcing its decompressed-size limit once the limit is exactly used up","description":"Improper handling of highly compressed data (data amplification), Function call with incorrectly specified arguments, Improper validation of specified quantity in input vulnerability in Apache Thrift py bindings.\n\n\n\nThis issue affects Apache Thrift: before 0.25.0.\n\n\n\nUsers are recommended to upgrade to version 0.25.0, which fixes the issue.","status":"published","published":"2026-10-09T10:53:23.643Z","modified":"2026-10-09T12:00:11.588849434Z","updated_at":"2026-11-02T15:28:36.104787Z"}]}}