CVE detail
CVE-2019-18679 — CVE-2019-18679
Published 2019-11-26 · Modified 2026-06-17 · Vendor squid-cache · Product squid · Source nvd
HIGH
severity
CVSS-derived band
0.4098
EPSS probability
exploitation probability, 30d
99.0%
EPSS percentile
percentile vs all CVEs
NOT LISTED
CISA KEV
known exploited catalog
Description
An issue was discovered in Squid 2.x, 3.x, and 4.x through 4.8. Due to incorrect data management, it is vulnerable to information disclosure when processing HTTP Digest Authentication. Nonce tokens contain the raw byte value of a pointer that sits within heap memory allocation. This information reduces ASLR protections and may aid attackers isolating memory areas to target for remote code execution attacks.
Remediation
No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.
References