CVE-2019-12527
8.8
HIGH
CVSS 3.1
EPSS 12.2%
Description
An issue was discovered in Squid 4.0.23 through 4.7. When checking Basic Authentication with HttpHeader::getAuth, Squid uses a global buffer to store the decoded data. Squid does not check that the decoded length isn't greater than the buffer, leading to a heap-based buffer overflow with user controlled data.
How to fix CVE-2019-12527
To remediate CVE-2019-12527, upgrade the affected package to a fixed version below.
- Debian/squid—upgrade to 4.8-1 or later
Is CVE-2019-12527 being exploited?
Moderate — EPSS is 12.2%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (1)
- from 0, < 4.8-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |