Buffer overflow in Squid-Cache Squid
CVE-2024-37894
Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to an Out-of-bounds Write error when assigning ESI variables, Squid is susceptible to a Memory Corruption error. This error can lead to a Denial of Service attack.
Vulnerability class: Buffer Overflow
EPSS: 0.063 (92.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Squid-cache Squid — versions >= 3.0, <= 3.5.28, >= 4.0, <= 4.16, >= 5.0, <= 5.9
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2024-37894?
- CVE-2024-37894 is a medium-severity vulnerability in Squid-Cache Squid, classified under Out-of-bounds Write. CVSS score: 6.3/10. Published 2024-06-25.
- How severe is CVE-2024-37894?
- Medium severity. CVSS v3 base score is 6.3 out of 10.
- Is CVE-2024-37894 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.