CVE-2019-12526
squid3 - security update
9.8
CRITICAL
CVSS 3.1
EPSS 39.2%
Description
An issue was discovered in Squid before 4.9. URN response handling in Squid suffers from a heap-based buffer overflow. When receiving data from a remote server in response to an URN request, Squid fails to ensure that the response can fit within the buffer. This leads to attacker controlled data overflowing in the heap.
How to fix CVE-2019-12526
To remediate CVE-2019-12526, upgrade the affected package to a fixed version below.
- —upgrade to 4.9-1 or later
- —upgrade to 3.4.8-6+deb8u9 or later
Is CVE-2019-12526 being exploited?
Moderate — EPSS is 39.2%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (2)
- from 0, < 4.9-1
- from 0, < 3.4.8-6+deb8u9
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 |