Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2023-49286

Incorrect Check of Function Return Value

Published: Dec 04, 2023 | Modified: Nov 21, 2024
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
7.5 IMPORTANT
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Ubuntu
MEDIUM
Vulnerability-free packages from our partners
root.io logo minimus.io logo echo.ai logo
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2023-49286
CWEhttps://cwe.mitre.org/data/definitions/253.html

Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to an Incorrect Check of Function Return Value bug Squid is vulnerable to a Denial of Service attack against its Helper process management. This bug is fixed by Squid version 6.5. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Weakness

The product incorrectly checks a return value from a function, which prevents it from detecting errors or exceptional conditions.

Affected Software

NameVendorStart VersionEnd Version
SquidSquid-cache*6.4 (including)
Red Hat Enterprise Linux 7RedHatsquid-7:3.5.20-17.el7_9.10*
Red Hat Enterprise Linux 8RedHatsquid:4-8090020231207155957.a75119d5*
Red Hat Enterprise Linux 8.2 Advanced Update SupportRedHatsquid:4-8020020240122164331.4cda2c84*
Red Hat Enterprise Linux 8.2 Telecommunications Update ServiceRedHatsquid:4-8020020240122164331.4cda2c84*
Red Hat Enterprise Linux 8.2 Update Services for SAP SolutionsRedHatsquid:4-8020020240122164331.4cda2c84*
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRedHatsquid:4-8040020240122165847.522a0ee4*
Red Hat Enterprise Linux 8.4 Telecommunications Update ServiceRedHatsquid:4-8040020240122165847.522a0ee4*
Red Hat Enterprise Linux 8.4 Update Services for SAP SolutionsRedHatsquid:4-8040020240122165847.522a0ee4*
Red Hat Enterprise Linux 8.6 Extended Update SupportRedHatsquid:4-8060020231222131040.ad008a3a*
Red Hat Enterprise Linux 8.8 Extended Update SupportRedHatsquid:4-8080020231222130009.63b34585*
Red Hat Enterprise Linux 9RedHatsquid-7:5.5-6.el9_3.5*
Red Hat Enterprise Linux 9.0 Extended Update SupportRedHatsquid-7:5.2-1.el9_0.4*
Red Hat Enterprise Linux 9.2 Extended Update SupportRedHatsquid-7:5.5-5.el9_2.3*
SquidUbuntubionic*
SquidUbuntudevel*
SquidUbuntuesm-infra/focal*
SquidUbuntufocal*
SquidUbuntujammy*
SquidUbuntulunar*
SquidUbuntumantic*
SquidUbuntunoble*
SquidUbuntutrusty*
SquidUbuntuupstream*
SquidUbuntuxenial*
Squid3Ubuntubionic*
Squid3Ubuntuesm-infra/bionic*
Squid3Ubuntuesm-infra/xenial*
Squid3Ubuntutrusty*
Squid3Ubuntuxenial*

Potential Mitigations

References

Aqua Security is the largest pure-play cloud native security company, providing customers the freedom to innovate and run their businesses with minimal friction. The Aqua Cloud Native Security Platform provides prevention, detection, and response automation across the entire application lifecycle to secure the build, secure cloud infrastructure and secure running workloads wherever they are deployed.
Copyright © 2026 Aqua Security Software Ltd.   Privacy Policy | Terms of Use