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CVE Vulnerabilities

CVE-2024-25111

Uncontrolled Recursion

Published: Mar 06, 2024 | Modified: Nov 03, 2025
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
8.6 IMPORTANT
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2024-25111
CWEhttps://cwe.mitre.org/data/definitions/674.html

Squid is a web proxy cache. Starting in version 3.5.27 and prior to version 6.8, Squid may be vulnerable to a Denial of Service attack against HTTP Chunked decoder due to an uncontrolled recursion bug. This problem allows a remote attacker to cause Denial of Service when sending a crafted, chunked, encoded HTTP Message. This bug is fixed in Squid version 6.8. In addition, patches addressing this problem for the stable releases can be found in Squids patch archives. There is no workaround for this issue.

Weakness

The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.

Affected Software

NameVendorStart VersionEnd Version
SquidSquid-cache3.5.27 (including)6.8 (excluding)
Red Hat Enterprise Linux 8RedHatsquid:4-8090020240314114525.a75119d5*
Red Hat Enterprise Linux 8.2 Advanced Update SupportRedHatsquid:4-8020020240313150557.4cda2c84*
Red Hat Enterprise Linux 8.2 Telecommunications Update ServiceRedHatsquid:4-8020020240313150557.4cda2c84*
Red Hat Enterprise Linux 8.2 Update Services for SAP SolutionsRedHatsquid:4-8020020240313150557.4cda2c84*
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRedHatsquid:4-8040020240312224211.522a0ee4*
Red Hat Enterprise Linux 8.4 Telecommunications Update ServiceRedHatsquid:4-8040020240312224211.522a0ee4*
Red Hat Enterprise Linux 8.4 Update Services for SAP SolutionsRedHatsquid:4-8040020240312224211.522a0ee4*
Red Hat Enterprise Linux 8.6 Extended Update SupportRedHatsquid:4-8060020240312145037.ad008a3a*
Red Hat Enterprise Linux 8.8 Extended Update SupportRedHatsquid:4-8080020240311185140.63b34585*
Red Hat Enterprise Linux 9RedHatsquid-7:5.5-6.el9_3.8*
Red Hat Enterprise Linux 9.0 Extended Update SupportRedHatsquid-7:5.2-1.el9_0.6*
Red Hat Enterprise Linux 9.2 Extended Update SupportRedHatsquid-7:5.5-5.el9_2.6*
SquidUbuntudevel*
SquidUbuntuesm-infra/focal*
SquidUbuntufocal*
SquidUbuntujammy*
SquidUbuntumantic*
SquidUbuntunoble*
SquidUbuntuoracular*
SquidUbuntuplucky*
SquidUbuntuquesting*
SquidUbuntuupstream*

Potential Mitigations

References

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