{"id":"CVE-2026-92392","title":"During an upload, curl mishandles HTTP/2 `RST_STREAM` received from the server\n(with reason `HTTP_1_1_REQUIRED` or `REFUSED_STREAM`) leading to a use after\nfree of a `struct Curl_easy` object.","summary":"During an upload, curl mishandles HTTP/2 `RST_STREAM` received from the server\n(with reason `HTTP_1_1_REQUIRED` or `REFUSED_STREAM`) leading to a use after\nfree of a `struct Curl_easy` object.","severity":"high","cvss":8.1,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-416"],"vendor":"curl","product":"curl","affected":["curl >= 8.22.0 <= 8.22.0","curl >= 8.21.0 <= 8.21.0","curl >= 8.20.0 <= 8.20.0","curl >= 8.19.0 <= 8.19.0","curl >= 8.18.0 <= 8.18.0","curl >= 8.17.0 <= 8.17.0","curl >= 8.16.0 <= 8.16.0","curl >= 8.15.0 <= 8.15.0","curl >= 8.14.1 <= 8.14.1","curl >= 8.14.0 <= 8.14.0","curl >= 8.13.0 <= 8.13.0","curl >= 8.12.1 <= 8.12.1","curl >= 8.12.0 <= 8.12.0"],"published":"2026-10-14","updated":"2026-10-15","sourceUpdated":"2026-10-15T11:18:03.600","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-92392","references":[{"url":"https://curl.se/docs/CVE-2026-92392.html","label":"2499f714-1537-4658-8207-48ae4bb9eae9"},{"url":"https://curl.se/docs/CVE-2026-92392.json","label":"2499f714-1537-4658-8207-48ae4bb9eae9"},{"url":"https://hackerone.com/reports/4030333","label":"2499f714-1537-4658-8207-48ae4bb9eae9"},{"url":"https://hackerone.com/reports/4030333","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-92392.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-92392"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2548642"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-92392"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-92392"},{"url":"https://access.redhat.com/errata/RHSA-2026:80349"},{"url":"https://access.redhat.com/errata/RHSA-2026:82895"}],"tags":["nvd","exploit-available","cve.org","csaf","vex","red-hat"],"epss":0.01284,"epssPercentile":0.69965,"exploits":{"github":1,"githubRepos":["https://github.com/ashu7ank/CVE-2026-92392"],"checkedAt":"2026-10-27T19:22:38.994Z"},"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"total","timestamp":"2026-10-15T03:56:56.051034Z"},"ingestedAt":"2026-10-14T08:23:04.345Z","patched":["hardened_images"],"slug":"CVE-2026-92392","body":"## Overview\n\nDuring an upload, curl mishandles HTTP/2 `RST_STREAM` received from the server\n(with reason `HTTP_1_1_REQUIRED` or `REFUSED_STREAM`) leading to a use after\nfree of a `struct Curl_easy` object.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **RHSA-2026:80349** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-10-11 · [advisory](https://access.redhat.com/errata/RHSA-2026:80349)\n- **RHSA-2026:82895** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-10-14 · [advisory](https://access.redhat.com/errata/RHSA-2026:82895)\n- **Red Hat VEX** · Important · affected: Red Hat Enterprise Linux 10 · no fix planned: Red Hat Enterprise Linux 10 · updated 2026-10-16 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-92392.json)","depth":"midnight","depthScore":57,"depthScoreParts":{"impact":44.6,"likelihood":0.3,"exploitation":12,"ransomware":0},"changes":[{"seq":222156,"id":"CVE-2026-92392","ts":1792062104690,"field":"cvss","old":null,"new":"8.1"},{"seq":222155,"id":"CVE-2026-92392","ts":1792062104690,"field":"severity","old":"none","new":"high"},{"seq":221947,"id":"CVE-2026-92392","ts":1792039652304,"field":"exploit_available","old":"false","new":"true"}]}