CVE & CISA-KEV Catalog

CVE-2024-37894

MEDIUMEPSS 93th pctl
6.3
CVSS v3
NVD

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.

How to fix

Remediation Available
squidDebian
Fixed in:4.13-10+deb11u4CVE-2024-37894
Fixed in:5.7-2+deb12u2CVE-2024-37894
Fixed in:6.10-1CVE-2024-37894
Fixed in:6.10-1CVE-2024-37894
squidRed Hat / RHEL
Fixed in:7:5.5-5.el9_2.7RHSA-2024:5906
Fixed in:7:5.5-5.el9_2.7RHSA-2024:5906
Fixed in:7:5.5-5.el9_2.7RHSA-2024:5906
Fixed in:7:5.5-5.el9_2.7RHSA-2024:5906
Fixed in:7:5.5-5.el9_2.7RHSA-2024:5906
Fixed in:7:5.5-13.el9_4RHSA-2024:4861
Fixed in:7:5.5-13.el9_4RHSA-2024:4861
Fixed in:7:5.5-13.el9_4RHSA-2024:4861
Fixed in:7:5.5-13.el9_4RHSA-2024:4861
Fixed in:7:5.5-13.el9_4RHSA-2024:4861
squidRocky
Fixed in:7:5.5-13.el9_4RHSA-2024:4861
Fixed in:7:5.5-5.el9_2.7RHSA-2024:5906
Fixed in:7:5.5-5.el9_2.7RHSA-2024:5906
Fixed in:7:5.5-5.el9_2.7RHSA-2024:5906
Fixed in:7:5.5-5.el9_2.7RHSA-2024:5906
Fixed in:7:5.5-5.el9_2.7RHSA-2024:5906
Fixed in:7:5.5-13.el9_4RHSA-2024:4861
Fixed in:7:5.5-13.el9_4RHSA-2024:4861
Fixed in:7:5.5-13.el9_4RHSA-2024:4861
Fixed in:7:5.5-13.el9_4RHSA-2024:4861
squid-debuginfoRed Hat / RHEL
Fixed in:7:5.5-5.el9_2.7RHSA-2024:5906
Fixed in:7:5.5-13.el9_4RHSA-2024:4861
Fixed in:7:5.5-13.el9_4RHSA-2024:4861
Fixed in:7:5.5-13.el9_4RHSA-2024:4861
Fixed in:7:5.5-13.el9_4RHSA-2024:4861
Fixed in:7:5.5-5.el9_2.7RHSA-2024:5906
Fixed in:7:5.5-5.el9_2.7RHSA-2024:5906
Fixed in:7:5.5-5.el9_2.7RHSA-2024:5906
squid-debuginfoRocky
Fixed in:7:5.5-5.el9_2.7RHSA-2024:5906
Fixed in:7:5.5-13.el9_4RHSA-2024:4861
Fixed in:7:5.5-13.el9_4RHSA-2024:4861
Fixed in:7:5.5-13.el9_4RHSA-2024:4861
Fixed in:7:5.5-5.el9_2.7RHSA-2024:5906
Fixed in:7:5.5-13.el9_4RHSA-2024:4861
Fixed in:7:5.5-5.el9_2.7RHSA-2024:5906
Fixed in:7:5.5-5.el9_2.7RHSA-2024:5906
squid-debugsourceRed Hat / RHEL
Fixed in:7:5.5-13.el9_4RHSA-2024:4861
Fixed in:7:5.5-13.el9_4RHSA-2024:4861
Fixed in:7:5.5-13.el9_4RHSA-2024:4861
Fixed in:7:5.5-5.el9_2.7RHSA-2024:5906
Fixed in:7:5.5-5.el9_2.7RHSA-2024:5906
Fixed in:7:5.5-5.el9_2.7RHSA-2024:5906
Fixed in:7:5.5-5.el9_2.7RHSA-2024:5906
Fixed in:7:5.5-13.el9_4RHSA-2024:4861
squid-debugsourceRocky
Fixed in:7:5.5-5.el9_2.7RHSA-2024:5906
Fixed in:7:5.5-13.el9_4RHSA-2024:4861
Fixed in:7:5.5-5.el9_2.7RHSA-2024:5906
Fixed in:7:5.5-13.el9_4RHSA-2024:4861
Fixed in:7:5.5-13.el9_4RHSA-2024:4861
Fixed in:7:5.5-5.el9_2.7RHSA-2024:5906
Fixed in:7:5.5-13.el9_4RHSA-2024:4861
Fixed in:7:5.5-5.el9_2.7RHSA-2024:5906
squidUbuntu
Fixed in:3.5.12-1ubuntu7.16+esm4USN-6907-1
Fixed in:3.5.27-1ubuntu1.14+esm3USN-6907-1
Fixed in:4.10-1ubuntu1.13USN-6907-1
Fixed in:5.9-0ubuntu0.22.04.2USN-6907-1
Fixed in:6.6-1ubuntu5.1USN-6907-1
squid3Ubuntu
Fixed in:3.5.12-1ubuntu7.16+esm4USN-6907-1
Fixed in:3.5.27-1ubuntu1.14+esm3USN-6907-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredLow
User InteractionNone
ScopeChanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H

Exploit Intelligence

6.25%probability of exploitation in 30 days
93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

Third-Party Advisory1
Other references1

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2025-22457Critical9.0100%KEV + RansomFix
CVE-2025-0282Critical9.0100%KEV + Ransom-
CVE-2015-3113Critical9.8100%KEVFix
CVE-2021-20038Critical9.8100%KEV + Ransom-
CVE-2023-4863High8.8100%KEVFix
CVE-2020-16040Medium6.5100%-Fix
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-03.