What is CVE-2023-49288?

CVE-2023-49288 is a high-severity vulnerability in Squid-cache Squid, classified under Use After Free. CVSS score: 8.6/10. Published 2023-12-04.

How severe is CVE-2023-49288?

High severity. CVSS v3 base score is 8.6 out of 10.

Is CVE-2023-49288 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Use After Free in Squid-cache Squid

CVE-2023-49288

Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Affected versions of squid are subject to a a Use-After-Free bug which can lead to a Denial of Service attack via collapsed forwarding. All versions of Squid from…

Vulnerability class: Use-After-Free

EPSS: 0.021 (84.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Squid-cache Squid — versions >= 3.5, < 6.0.1

Weakness classification (CWE)

CWE-416 — Use After Free

Public proof-of-concept exploits

MegaManSec/Squid-Security-Audit

References

Frequently asked questions

What is CVE-2023-49288?: CVE-2023-49288 is a high-severity vulnerability in Squid-cache Squid, classified under Use After Free. CVSS score: 8.6/10. Published 2023-12-04.
How severe is CVE-2023-49288?: High severity. CVSS v3 base score is 8.6 out of 10.
Is CVE-2023-49288 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.