CVE-2019-16239
openconnect - security update
9.8
CRITICAL
CVSS 3.1
EPSS 3.4%
Description
process_http_response in OpenConnect before 8.05 has a Buffer Overflow when a malicious server uses HTTP chunked encoding with crafted chunk sizes.
How to fix CVE-2019-16239
To remediate CVE-2019-16239, upgrade the affected package to a fixed version below.
- Debian/openconnect—upgrade to 8.02-1.1 or later
- Debian/openconnect—upgrade to 6.00-2+deb8u1 or later
- —upgrade to 7.08-1+deb9u1 or later
Is CVE-2019-16239 being exploited?
Low — EPSS is 3.4%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 8.02-1.1
- from 0, < 6.00-2+deb8u1
- from 0, < 7.08-1+deb9u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |