CVE-2025-9086

CWE-125Out-of-bounds Read22 documents11 sources
Severity
7.5HIGH
EPSS
0.0%
top 85.92%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedSep 12
Latest updateMar 3

Description

1. A cookie is set using the `secure` keyword for `https://target` 2. curl is redirected to or otherwise made to speak with `http://target` (same hostname, but using clear text HTTP) using the same cookie set 3. 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. 4. 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

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages5 packages

NVDhaxx/curl8.13.08.16.0
Alpinecurl< 8.14.1-r2+4
Debiancurl< 8.14.1-2+deb13u1+1
Ubuntucurl< 7.81.0-1ubuntu1.22+2
CVEListV5curl/curl8.15.08.15.0+3

Also affects: Debian Linux 11.0

Patches

🔴Vulnerability Details

6
OSV
curl vulnerabilities2026-03-03
OSV
curl vulnerabilities2026-02-25
OSV
CVE-2025-9086: 12025-09-12
GHSA
GHSA-v676-f8gm-92r9: 12025-09-12
OSV
CVE-2025-9086: 12025-09-12

📋Vendor Advisories

14
Ubuntu
curl vulnerabilities2026-02-25
Oracle
Oracle Oracle Commerce Risk Matrix: MDEX, Forge (curl) — CVE-2025-90862026-01-15
Apple
CVE-2025-9086: iOS 18.7.3 and iPadOS 18.7.32025-12-12
Apple
CVE-2025-9086: macOS Sequoia 15.7.32025-12-12
Apple
CVE-2025-9086: macOS Tahoe 26.22025-12-12

💬Community

1
HackerOne
CVE-2025-9086: Out of bounds read for cookie path2025-09-10
CVE-2025-9086 (HIGH CVSS 7.5) | cvebase.io