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Vulnerability record · CVE-2025-59362 · published 26 September 2025

CVE-2025-59362: Squid-cache squid stack-based buffer overflow vulnerability

Squid Cache · Squid

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

4.0 CVSS 3.1 Medium EPSS 0.41% · top 67.6% CWE-121 · Stack-based buffer overflow
4.0CVSS 3.1 base score
0.41%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

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

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/Microsvuln/advisories/blob/main/CVE-2025-59362/CVE-2025-59362.md Exploit
https://github.com/squid-cache/squid/pull/2149 Issue TrackingPatch

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-59362), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.