Out-of-bounds Read in Squid-Cache Squid
CVE-2023-49285
Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to a Buffer Overread bug Squid is vulnerable to a Denial of Service attack against Squid HTTP Message processing. This bug is fixed by Squid version 6.5. Users are advised to upgrade. There are no known workarounds for this vulnerability.
EPSS: 0.888 (99.8th 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 >= 2.2, < 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 (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Broken Link)
- 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-2023-49285?
- CVE-2023-49285 is a high-severity vulnerability in Squid-Cache Squid, classified under Buffer Over-read. CVSS score: 8.6/10. Published 2023-12-04.
- How severe is CVE-2023-49285?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2023-49285 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.