{"id":"CVE-2026-8925","title":"The curl logic that works with SASL authentication could end up cleaning up\nthe GSASL context *twice* without clearing the pointer in between, making it\n`free()` the same pointer twice.","summary":"The curl logic that works with SASL authentication could end up cleaning up\nthe GSASL context *twice* without clearing the pointer in between, making it\n`free()` the same pointer twice.","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-415"],"vendor":"haxx","product":"curl","affected":["curl >= 8.15.0, < 8.21.0"],"patched":["curl 8.21.0"],"published":"2026-07-03","updated":"2026-09-15","sourceUpdated":"2026-09-15T07:16:32.800","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-8925","references":[{"url":"https://curl.se/docs/CVE-2026-8925.html","label":"2499f714-1537-4658-8207-48ae4bb9eae9"},{"url":"https://curl.se/docs/CVE-2026-8925.json","label":"2499f714-1537-4658-8207-48ae4bb9eae9"},{"url":"https://hackerone.com/reports/3735193","label":"2499f714-1537-4658-8207-48ae4bb9eae9"},{"url":"https://hackerone.com/reports/3735193","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"total","timestamp":"2026-07-06T17:03:39.068747Z"},"epss":0.00674,"epssPercentile":0.50338,"ingestedAt":"2026-07-04T04:55:39.441Z","slug":"CVE-2026-8925","body":"## Overview\n\nThe curl logic that works with SASL authentication could end up cleaning up\nthe GSASL context *twice* without clearing the pointer in between, making it\n`free()` the same pointer twice.\n\n## Affected\n\n- `curl >= 8.15.0, < 8.21.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `curl 8.21.0`","depth":"abyssal","depthScore":66,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":203497,"id":"CVE-2026-8925","ts":1789457645797,"field":"exploit_available","old":"false","new":"true"},{"seq":203496,"id":"CVE-2026-8925","ts":1789457645797,"field":"cvss","old":null,"new":"9.8"},{"seq":203495,"id":"CVE-2026-8925","ts":1789457645797,"field":"severity","old":"none","new":"critical"}]}