CVE-2025-59362: High severity Squid Squid vulnerability

Published Sep 26, 2025
·
Updated

Squid through 7.1 mishandles ASN.1 encoding of long SNMP OIDs. This occurs in asnbuildobjid in lib/snmplib/asn1.c.

Affected Software

3 affected componentsFixes available
Squid Squid<7.1
Squid-Cache Squid<=7.1
Microsoft azl3 squid 6.13-1
Patch available

Remediation

Patch Available

https://github.com/squid-cache/squid/pull/2149

Event History

Sep 26, 2025
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·04:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Sep 28, 2025
Data Sourced
via Microsoft·01:02 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·01:02 AM
Affected Software
Updated
via Microsoft·01:02 AM
DescriptionSeverity
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Frequently Asked Questions

1

What is the severity of CVE-2025-59362?

CVE-2025-59362 has been classified with a high severity due to the potential mishandling of ASN.1 encoding in SNMP OIDs.

2

How do I fix CVE-2025-59362?

To fix CVE-2025-59362, upgrade to a version of Squid beyond 7.1 where the vulnerability is addressed.

3

What software is affected by CVE-2025-59362?

CVE-2025-59362 affects Squid versions up to and including 7.1.

4

What type of vulnerability is CVE-2025-59362?

CVE-2025-59362 is a vulnerability related to improper handling of ASN.1 encoding, specifically in SNMP OIDs.

5

Can CVE-2025-59362 lead to exploitation?

Yes, CVE-2025-59362 can potentially lead to exploitation if an attacker sends specially crafted SNMP OIDs.

Company

Resources

Contact

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CVE-2025-59362 - High severity Squid Squid vulnerability - SecAlerts