ALPINE-CVE-2025-9086
- Source
- https://security.alpinelinux.org/vuln/CVE-2025-9086
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2025-9086.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/ALPINE-CVE-2025-9086
- Upstream
- Published
- 2025-09-12T06:15:44.100Z
- Modified
- 2026-07-06T00:32:25.149559344Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
- A cookie is set using the
securekeyword forhttps://target- curl is redirected to or otherwise made to speak with
http://target(same hostname, but using clear text HTTP) using the same cookie set - The same cookie name is set - but with just a slash as path (
path=\"/\",). Since this site is not secure, the cookie should just be ignored.
- curl is redirected to or otherwise made to speak with
- A bug in the path comparison logic makes curl read outside a heap buffer boundary
The bug either causes a crash or it potentially makes the comparison come to the wrong conclusion and lets the clear-text site override the contents of the secure cookie, contrary to expectations and depending on the memory contents immediately following the single-byte allocation that holds the path.
The presumed and correct behavior would be to plainly ignore the second set of the cookie since it was already set as secure on a secure host so overriding it on an insecure host should not be okay.
- A cookie is set using the
- References