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NVD Vulnerability Details :
CVE-2025-54574
Modified
More InfoOfficial Page
Source-security-advisories@github.com
View Known Exploited Vulnerability (KEV) details
Published At-01 Aug, 2025 | 18:15
Updated At-05 Nov, 2025 | 17:15

Squid is a caching proxy for the Web. In versions 6.3 and below, Squid is vulnerable to a heap buffer overflow and possible remote code execution attack when processing URN due to incorrect buffer management. This has been fixed in version 6.4. To work around this issue, disable URN access permissions.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.19.3CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:H
Primary3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 9.3
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:H
Type: Primary
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CPE Matches
Squid Cache
squid-cache
>>squid>>Versions before 6.4(exclusive)
cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-122Secondarysecurity-advisories@github.com
CWE-787Primarynvd@nist.gov
CWE ID: CWE-122
Type: Secondary
Source: security-advisories@github.com
CWE ID: CWE-787
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/squid-cache/squid/commit/a27bf4b84da23594150c7a86a23435df0b35b988security-advisories@github.com
Patch
https://github.com/squid-cache/squid/releases/tag/SQUID_6_4security-advisories@github.com
Release Notes
https://github.com/squid-cache/squid/security/advisories/GHSA-w4gv-vw3f-29g3security-advisories@github.com
Mitigation
Patch
Vendor Advisory
http://www.openwall.com/lists/oss-security/2025/11/05/5af854a3a-2127-422b-91ae-364da2661108
N/A
https://lists.debian.org/debian-lts-announce/2025/09/msg00027.htmlaf854a3a-2127-422b-91ae-364da2661108
N/A
Hyperlink: https://github.com/squid-cache/squid/commit/a27bf4b84da23594150c7a86a23435df0b35b988
Source: security-advisories@github.com
Resource:
Patch
Hyperlink: https://github.com/squid-cache/squid/releases/tag/SQUID_6_4
Source: security-advisories@github.com
Resource:
Release Notes
Hyperlink: https://github.com/squid-cache/squid/security/advisories/GHSA-w4gv-vw3f-29g3
Source: security-advisories@github.com
Resource:
Mitigation
Patch
Vendor Advisory
Hyperlink: http://www.openwall.com/lists/oss-security/2025/11/05/5
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: https://lists.debian.org/debian-lts-announce/2025/09/msg00027.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Change History
0Changes found
Details not found