NULL pointer dereference in Squid-cache Squid

CVE-2023-46728

Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to a NULL pointer dereference bug Squid is vulnerable to a Denial of Service attack against Squid's Gopher gateway. The gopher protocol is always available and…

EPSS: 0.023 (84.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-46728?
CVE-2023-46728 is a high-severity vulnerability in Squid-cache Squid, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2023-11-06.
How severe is CVE-2023-46728?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-46728 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.