Medium severity · published Jun 25, 2024
CVE-2024-37894
Squid vulnerable to heap corruption in ESI assign
6.3
CVSS
6.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)6.3% · higher than 94% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SQ
squid · squid-cache
>= 3.0, <= 3.5.28; >= 4.0, <= 4.16; >= 5.0, <= 5.9; >= 6.0, <= 6.9 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-37894
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-37894
Patch
https://github.com/squid-cache/squid/commit/f411fe7d75197852f0e5ee85027a06d58dd8df4c.patch
Patch
https://github.com/squid-cache/squid/security/advisories/GHSA-wgvf-q977-9xjg
Third Party Advisory
https://security.netapp.com/advisory/ntap-20240719-0001/
lists.debian.org
https://lists.debian.org/debian-lts-announce/2025/03/msg00009.html
More from squid
9.8
CVE-2025-54574
Squid's URN Handling can lead to Buffer Overflow
9.8
CVE-2020-11945
An issue was discovered in Squid before 5.0.2
9.8
CVE-2019-12519
An issue was discovered in Squid through 4.7
9.8
CVE-2019-12524
An issue was discovered in Squid through 4.7
9.8
CVE-2019-12526
An issue was discovered in Squid before 4.9