VDB
ALPINE-CVE-2023-27536
ALPINE-CVE-2023-27536
PUBLISHED
CVSS 5.900000095367432 MEDIUM
An authentication bypass vulnerability exists libcurl <8.0.0 in the connection reuse feature which can reuse previously established connections with incorrect user permissions due to a failure to check for changes in the CURLOPT_GSSAPI_DELEGATION option. This vulnerability affects krb5/kerberos/negotiate/GSSAPI transfers and could potentially result in unauthorized access to sensitive information. The safest option is to not reuse connections if the CURLOPT_GSSAPI_DELEGATION option has been changed.
Risk Scores
CVSS 3.1
5.900000095367432
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.16 | curl | 7.20.1-r0, 7.19.7-r1, 7.19.7-r0 |
| Alpine:v3.14 | curl | 7.21.6-r0, 0, 7.19.4-r0 |
| Alpine:v3.19 | curl | 7.64.0-r1, 7.83.1-r0, 7.61.1-r0 |
| Alpine:v3.20 | curl | 7.73.0-r0, 0, 0 |
| Alpine:v3.22 | curl | 7.57.0-r0, 7.52.0-r0, 7.51.0-r1 |
| Alpine:v3.17 | curl | 7.21.5-r1, 7.21.7-r0, 7.21.7-r1 |
| Alpine:v3.23 | curl | 7.35.0-r0, 7.19.2-r1, 7.19.5-r0 |
| Alpine:v3.21 | curl | 0, 7.38.0-r0, 7.75.0-r0 |
| Alpine:v3.15 | curl | 7.19.2-r0, 0, 0 |
| Alpine:v3.24 | curl | 0, 0, 0 |
| Alpine:v3.18 | curl | 7.50.3-r0, 7.76.0-r0, 7.20.1-r1 |
Timeline
- Mar 30, 2023 CVE Published
- Aug 7, 2026 CVE Updated
- Aug 8, 2026 Distribution Patch