{"id":"EUVD-2021-1440","enisaUuid":"ea092933-bf38-3dee-b21b-673077cea57c","description":"hyper is an HTTP library for Rust. In versions prior to 0.14.10, hyper\u0027s HTTP server and client code had a flaw that could trigger an integer overflow when decoding chunk sizes that are too big. This allows possible data loss, or if combined with an upstream HTTP proxy that allows chunk sizes larger than hyper does, can result in \"request smuggling\" or \"desync attacks.\" The vulnerability is patched in version 0.14.10. Two possible workarounds exist. One may reject requests manually that contain a `Transfer-Encoding` header or ensure any upstream proxy rejects `Transfer-Encoding` chunk sizes greater than what fits in 64-bit unsigned integers.","datePublished":"Jul 7, 2021, 7:35:10 PM","dateUpdated":"Aug 3, 2024, 11:25:31 PM","baseScore":5.9,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","references":"https://github.com/hyperium/hyper/security/advisories/GHSA-5h46-h7hh-c6x9\n","aliases":"CVE-2021-32714\nGHSA-5h46-h7hh-c6x9\n","assigner":"GitHub_M","epss":1.16,"enisaIdProduct":[{"id":"bd934d8f-71e2-3811-a704-83a4662f0da0","product":{"name":"hyper","vendor":{"name":"vercel"}},"product_version":"\u003c 0.14.10"}],"enisaIdVendor":[{"id":"7ae49df2-e027-3f11-a356-541594c2400b","vendor":{"name":"hyperium"}}],"enisaIdVulnerability":[{"id":"77c4e660-1c9e-3fa0-a157-1a334ca74789","vulnerability":{"id":"GHSA-5h46-h7hh-c6x9","description":"Integer Overflow in Chunked Transfer-Encoding","datePublished":"Jul 12, 2021, 4:55:37 PM","dateUpdated":"Sep 7, 2021, 9:47:36 PM","baseScore":null,"references":"https://github.com/hyperium/hyper/security/advisories/GHSA-5h46-h7hh-c6x9\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-32714\nhttps://github.com/hyperium/hyper\nhttps://rustsec.org/advisories/RUSTSEC-2021-0079.html\n","enisa_id":"EUVD-2021-1440\n","aliases":"GHSA-5h46-h7hh-c6x9\nCVE-2021-32714\n","epss":0.0,"dataProcessed":"May 3, 2026, 1:44:45 AM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}},{"id":"fd880f06-61f8-32df-b72a-ad50e0a41d83","vulnerability":{"id":"CVE-2021-32714","description":"hyper is an HTTP library for Rust. In versions prior to 0.14.10, hyper\u0027s HTTP server and client code had a flaw that could trigger an integer overflow when decoding chunk sizes that are too big. This allows possible data loss, or if combined with an upstream HTTP proxy that allows chunk sizes larger than hyper does, can result in \"request smuggling\" or \"desync attacks.\" The vulnerability is patched in version 0.14.10. Two possible workarounds exist. One may reject requests manually that contain a `Transfer-Encoding` header or ensure any upstream proxy rejects `Transfer-Encoding` chunk sizes greater than what fits in 64-bit unsigned integers.","datePublished":"Jul 7, 2021, 7:35:10 PM","dateUpdated":"Aug 3, 2024, 11:25:31 PM","status":"PUBLISHED","baseScore":5.9,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","references":"https://github.com/hyperium/hyper/security/advisories/GHSA-5h46-h7hh-c6x9\n","enisa_id":"EUVD-2021-1440\n","assigner":"GitHub_M","epss":1.16,"dataProcessed":"Nov 3, 2026, 7:19:00 AM","vulnerabilityProduct":[{"id":"d7c9836a-dab5-3089-aedc-13ca0fff2c5a","product":{"name":"hyper","vendor":{"name":"vercel"}},"product_version":"\u003c 0.14.10"}],"vulnerabilityVendor":[{"id":"4c3186c0-7482-3af7-a400-d7bf2fcf93a4","vendor":{"name":"hyperium"}}]}}],"enisaIdAdvisory":[{"id":"3b38d9f2-5195-3961-b5e8-e97e696e1e14","advisory":{"id":"openSUSE-SU-2024:11751-1","description":"afterburn-5.0.0-6.1 on GA media","summary":"afterburn-5.0.0-6.1 on GA media","datePublished":"Jun 15, 2024, 12:00:00 AM","dateUpdated":"Sep 20, 2026, 8:24:54 PM","baseScore":0.0,"references":"https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2024_11751-1.json\nhttps://www.suse.com/security/cve/CVE-2020-35905/\nhttps://www.suse.com/security/cve/CVE-2020-36465/\nhttps://www.suse.com/security/cve/CVE-2021-27378/\nhttps://www.suse.com/security/cve/CVE-2021-32714/\nhttps://www.suse.com/security/cve/CVE-2021-32715/\nhttps://www.suse.com/security/cve/CVE-2021-38191/\nhttps://www.suse.com/security/cve/CVE-2021-45710/\n","aliases":"CVE-2020-35905\nCVE-2020-36465\nCVE-2021-27378\nCVE-2021-32714\nCVE-2021-32715\nCVE-2021-38191\nCVE-2021-45710\n","source":{"id":21,"name":"csaf_opensuse"},"advisoryProduct":[{"id":"00979d48-0e5c-3d5e-bc39-ac4f1324959a","product":{"name":"afterburn-5.0.0-6.1.aarch64","vendor":{"name":"SUSE"}}},{"id":"0f75ae50-143f-385e-b992-dc051ce37c07","product":{"name":"afterburn-5.0.0-6.1.ppc64le","vendor":{"name":"SUSE"}}},{"id":"16d4a905-0b40-3eae-8dee-9785cc869115","product":{"name":"afterburn-dracut-5.0.0-6.1.ppc64le","vendor":{"name":"SUSE"}}},{"id":"173d673c-ac25-33f6-af89-f9b000ee9193","product":{"name":"afterburn-dracut-5.0.0-6.1.aarch64","vendor":{"name":"SUSE"}}},{"id":"1f39457b-2ff1-3ec5-8d5b-b8e7e920f8a4","product":{"name":"afterburn-0:5.0.0-6.1.ppc64le","vendor":{"name":"SUSE"}}},{"id":"42563f4b-5265-3573-896c-3e6ecaa51fb9","product":{"name":"openSUSE Tumbleweed","vendor":{"name":"SUSE"}}},{"id":"501b5abf-8d67-3c86-8be8-5f087952435f","product":{"name":"afterburn-0:5.0.0-6.1.x86_64","vendor":{"name":"SUSE"}}},{"id":"602ac3fa-0191-3655-977c-38ff67cc5802","product":{"name":"afterburn-dracut-5.0.0-6.1.x86_64","vendor":{"name":"SUSE"}}},{"id":"6723e23e-53b4-35f0-8e3b-e0eecc1efcd7","product":{"name":"afterburn-dracut-0:5.0.0-6.1.aarch64","vendor":{"name":"SUSE"}}},{"id":"6c23e992-bff7-3e34-b4a4-eb7be249abd7","product":{"name":"afterburn-dracut-0:5.0.0-6.1.s390x","vendor":{"name":"SUSE"}}},{"id":"8acc6c02-eaed-34a3-a0ca-a7df84999e49","product":{"name":"afterburn-dracut-0:5.0.0-6.1.ppc64le","vendor":{"name":"SUSE"}}},{"id":"a009ee4d-86aa-385b-b551-5cd1a04abe9b","product":{"name":"afterburn-5.0.0-6.1.x86_64","vendor":{"name":"SUSE"}}},{"id":"a0fa9f7d-27ab-307a-8705-28c341df1bf4","product":{"name":"afterburn-0:5.0.0-6.1.aarch64","vendor":{"name":"SUSE"}}},{"id":"c2f2254e-40b6-3752-9c00-ca3f4be12a40","product":{"name":"afterburn-5.0.0-6.1.s390x","vendor":{"name":"SUSE"}}},{"id":"c92451b5-6c65-3139-aad5-3b891cbfcc08","product":{"name":"afterburn-dracut-0:5.0.0-6.1.x86_64","vendor":{"name":"SUSE"}}},{"id":"dd07d4f8-4200-39d0-bf23-28b785c43889","product":{"name":"afterburn-0:5.0.0-6.1.s390x","vendor":{"name":"SUSE"}}},{"id":"f9c64fa9-30a7-3093-a08c-8ca93c5c4eea","product":{"name":"afterburn-dracut-5.0.0-6.1.s390x","vendor":{"name":"SUSE"}}}]}},{"id":"8cc61f41-958e-3ea3-a55d-ed70dba17476","advisory":{"id":"msrc_CVE-2021-32714","description":"Integer Overflow in Chunked Transfer-Encoding","datePublished":"Jul 2, 2021, 12:00:00 AM","dateUpdated":"Feb 18, 2026, 2:49:54 PM","baseScore":0.0,"references":"https://msrc.microsoft.com/csaf/vex/2021/msrc_cve-2021-32714.json\n","aliases":"CVE-2021-32714\n","source":{"id":20,"name":"csaf_microsoft"},"advisoryProduct":[{"id":"0c0589aa-4aa5-3455-95b8-0aebc29b6527","product":{"name":"azl3 rpm-ostree 2024.4-1","vendor":{"name":"Microsoft"}}},{"id":"22bf5e59-122d-3e6c-94a4-c2473ccb1263","product":{"name":"azl3 rpm-ostree 2022.1-7","vendor":{"name":"Microsoft"}}},{"id":"69245371-447f-3a40-83ae-fa6db10f64b4","product":{"name":"rpm-ostree","vendor":{"name":"Microsoft"}}},{"id":"6aa133fc-a289-3ae9-9539-eef2e65a1c74","product":{"name":"azl3 mozjs 102.15.1-1","vendor":{"name":"Microsoft"}}},{"id":"a5a45725-1c3d-3572-b9f9-83f327ae21e0","product":{"name":"3.0","vendor":{"name":"Wind River"}}},{"id":"c80223bf-af54-3cbf-8032-696ea8a15c4b","product":{"name":"Azure Linux","vendor":{"name":"Microsoft"}}}]}}]}