{"id":"CVE-2026-8924","summary":"trailing dot domain super cookie","details":"A flaw in curl’s cookie parsing logic allows a malicious HTTP server to set\n\"super cookies\" that bypass the Public Suffix List check. This enables an\nattacker-controlled origin to inject cookies that curl subsequently scopes and\ntransmits to unrelated third-party domains.","aliases":["CURL-CVE-2026-8924"],"modified":"2026-10-29T22:42:09.066015584Z","published":"2026-07-03T06:15:04.646Z","related":["ALSA-2026:69125","ALSA-2026:80511","ALSA-2026:92368","SUSE-SU-2026:22553-1","SUSE-SU-2026:22582-1","SUSE-SU-2026:22709-1","SUSE-SU-2026:22889-1","SUSE-SU-2026:2925-1","SUSE-SU-2026:2926-1","SUSE-SU-2026:3043-1","SUSE-SU-2026:3814-1","openSUSE-SU-2026:11230-1","openSUSE-SU-2026:11266-1","openSUSE-SU-2026:21272-1"],"database_specific":{"cwe_ids":["CWE-201"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/8xxx/CVE-2026-8924.json","cna_assigner":"curl"},"references":[{"type":"WEB","url":"https://curl.se/docs/CVE-2026-8924.html"},{"type":"WEB","url":"https://curl.se/docs/CVE-2026-8924.json"},{"type":"WEB","url":"https://hackerone.com/reports/3733905"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/8xxx/CVE-2026-8924.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-8924"},{"type":"PACKAGE","url":"https://github.com/curl/curl.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/curl/curl","events":[{"introduced":"e2ae32ff5f3ab6f0819590f61f248f17df12987f"},{"fixed":"68720b4837284335b2d63cb358f8f6ce65f5bc55"}],"database_specific":{"extracted_events":[{"range":[{"introduced":"7.46.0"},{"fixed":"8.21.0"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*"}]}},{"type":"GIT","repo":"https://github.com/curl/curl.git","events":[{"introduced":"e77b5b7453c1e8ccd7ec0816890d98e2f392e465"},{"fixed":"51beed175dbfc37da3113f6acce60c630c070ce8"}],"database_specific":{"extracted_events":[{"source":"AFFECTED_FIELD","strategy":"StandardRange","range":[{"introduced":"e77b5b7453c1e8ccd7ec0816890d98e2f392e465"},{"fixed":"51beed175dbfc37da3113f6acce60c630c070ce8"}]}]}}],"versions":["7.46.0","7.47.0","7.47.1","7.48.0","7.49.0","7.49.1","7.50.0","7.50.1","7.50.2","7.50.3","7.51.0","7.52.0","7.52.1","7.53.0","7.53.1","7.54.0","7.54.1","7.55.0","7.55.1","7.56.0","7.56.1","7.57.0","7.58.0","7.59.0","7.60.0","7.61.0","7.61.1","7.62.0","7.63.0","7.64.0","7.64.1","7.65.0","7.65.1","7.65.2","7.65.3","7.66.0","7.67.0","7.68.0","7.69.0","7.69.1","7.70.0","7.71.0","7.71.1","7.72.0","7.73.0","7.74.0","7.75.0","7.76.0","7.76.1","7.77.0","7.78.0","7.79.0","7.79.1","7.80.0","7.81.0","7.82.0","7.83.0","7.83.1","7.84.0","7.85.0","7.86.0","7.87.0","7.88.0","7.88.1","8.0.0","8.0.1","8.1.0","8.1.1","8.1.2","8.10.0","8.10.1","8.11.0","8.11.1","8.12.0","8.12.1","8.13.0","8.14.0","8.14.1","8.15.0","8.16.0","8.17.0","8.18.0","8.19.0","8.2.0","8.2.1","8.20.0","8.3.0","8.4.0","8.5.0","8.6.0","8.7.0","8.7.1","8.8.0","8.9.0","8.9.1","rc-8_21_0-3","rc-8_21_0-2","rc-8_21_0-1","curl-8_20_0","rc-8_20_0-3","rc-8_20_0-2","rc-8_20_0-1","curl-8_19_0","curl-8_18_0","curl-8_17_0","curl-8_16_0","curl-8_15_0","curl-8_14_1","curl-8_14_0","curl-8_13_0","curl-8_12_1","curl-8_12_0","curl-8_11_1","curl-8_11_0","curl-8_10_1","curl-8_10_0","curl-8_9_1","curl-8_9_0","curl-8_8_0","curl-8_7_1","curl-8_7_0","curl-8_6_0","curl-8_5_0","curl-8_4_0","curl-8_3_0","curl-8_2_1","curl-8_2_0","curl-8_1_2","curl-8_1_1","curl-8_1_0","curl-8_0_1","curl-8_0_0","curl-7_88_1","curl-7_88_0","curl-7_87_0","curl-7_86_0","curl-7_85_0","curl-7_84_0","curl-7_83_1","curl-7_83_0","curl-7_82_0","curl-7_81_0","curl-7_80_0","curl-7_79_1","curl-7_79_0","curl-7_78_0","curl-7_77_0","curl-7_76_1","curl-7_76_0","curl-7_75_0","curl-7_74_0","curl-7_73_0","curl-7_72_0","curl-7_71_1","curl-7_71_0","curl-7_70_0","curl-7_69_1","curl-7_69_0","curl-7_68_0","curl-7_67_0","curl-7_66_0","curl-7_65_3","curl-7_65_2","curl-7_65_1","curl-7_65_0","curl-7_64_1","curl-7_64_0","curl-7_63_0","curl-7_62_0","curl-7_61_1","curl-7_61_0","curl-7_60_0","curl-7_59_0","curl-7_58_0","curl-7_57_0","curl-7_56_1","curl-7_56_0","curl-7_55_1","curl-7_55_0","curl-7_54_1","curl-7_54_0","curl-7_53_1","curl-7_53_0","curl-7_52_1","curl-7_52_0","curl-7_51_0","curl-7_50_3","curl-7_50_2","curl-7_50_1","curl-7_50_0","curl-7_49_1","curl-7_49_0","curl-7_48_0","curl-7_47_1","curl-7_47_0","curl-7_46_0","rc-8_19_0-3","rc-8_19_0-2","rc-8_19_0-1","rc-8_18_0-3","rc-8_18_0-2","rc-8_18_0-1"],"database_specific":{"vanir_signatures":[{"deprecated":false,"digest":{"function_hash":"335131051994932031989893635630674715587","length":1169},"id":"CVE-2026-8924-2522c436","signature_type":"Function","signature_version":"v1","source":"https://github.com/curl/curl.git/commit/51beed175dbfc37da3113f6acce60c630c070ce8","target":{"function":"is_public_suffix","file":"lib/cookie.c"}},{"signature_version":"v1","source":"https://github.com/curl/curl.git/commit/51beed175dbfc37da3113f6acce60c630c070ce8","target":{"file":"lib/cookie.c"},"deprecated":false,"digest":{"line_hashes":["169337999188256190714791795318413023466","83941563893831075434737957461444023007","290656883257034455718269047425596961497","128239869894127245898894739649854696868","284134061910249587225395334356655932742","274688375762767551377970585583374821277","1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