CVE-2018-16839
Published: August 31, 2023Last modified: September 22, 2025
Description
Curl versions 7.33.0 through 7.61.1 are vulnerable to a buffer overrun in the SASL authentication code that may lead to denial of service.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 9.8 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | curl | Not affected (8.2.1-r0) |
| Stream | curl | Not affected (8.2.1-r0) |
References
- http://www.securitytracker.com/id/1042012
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16839
- https://curl.haxx.se/docs/CVE-2018-16839.html
- https://github.com/curl/curl/commit/f3a24d7916b9173c69a3e0ee790102993833d6c5
- https://lists.apache.org/thread.html/8338a0f605bdbb3a6098bb76f666a95fc2b2f53f37fa1ecc89f1146f%40%3Cdevnull.infra.apache.org%3E
- https://lists.apache.org/thread.html/8338a0f605bdbb3a6098bb76f666a95fc2b2f53f37fa1ecc89f1146f@%3Cdevnull.infra.apache.org%3E
- https://lists.debian.org/debian-lts-announce/2018/11/msg00005.html
- https://security.gentoo.org/glsa/201903-03
- https://usn.ubuntu.com/3805-1/
- https://www.debian.org/security/2018/dsa-4331