Vulnerability in Squid-Cache Squid
CVE-2023-49286
Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to an Incorrect Check of Function Return Value bug Squid is vulnerable to a Denial of Service attack against its Helper process management. This bug is fixed by Squid version 6.5. Users are advised to upgrade. There are no known workarounds for this vulnerability.
EPSS: 0.104 (95.4th 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 < 6.5
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Broken Link)
- security-advisories@github.com
- security-advisories@github.com
- security-advisories@github.com
- security-advisories@github.com
Frequently asked questions
- What is CVE-2023-49286?
- CVE-2023-49286 is a high-severity vulnerability in Squid-Cache Squid, classified under CWE-253. CVSS score: 8.6/10. Published 2023-12-04.
- How severe is CVE-2023-49286?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2023-49286 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.