CVE-2025-59362 — Stack-based Buffer Overflow in Squid

CWE-121 — Stack-based Buffer OverflowCWE-172 — Encoding Error9 documents8 sources
Severity
4.0MEDIUMNVD
EPSS
0.2%
top 59.98%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
SquidSquid-cache Squid
Timeline
PublishedSep 26
Latest updateNov 4

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 vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LExploitability: 2.5 | Impact: 1.4

Affected Packages2 packages

▶Debiansquid/squid< 4.13-10+deb11u6+3

Patches

Patch: github.com ↗

🔴Vulnerability Details

3
CVEList
CVE-2025-59362: Squid through 7↗2025-09-26
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OSV
CVE-2025-59362: Squid through 7↗2025-09-26
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GHSA
GHSA-jh85-mgr3-8f33: Squid through 7↗2025-09-26
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📋Vendor Advisories

5
Ubuntu
Squid vulnerability↗2025-11-04
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Ubuntu
Squid vulnerability↗2025-10-06
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Red Hat
squid-cache: Squid cache buffer overflow↗2025-09-26
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Microsoft
Squid through 7.1 mishandles ASN.1 encoding of long SNMP OIDs. This occurs in asn_build_objid in lib/snmplib/asn1.c.↗2025-09-09
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Debian
CVE-2025-59362: squid - Squid through 7.1 mishandles ASN.1 encoding of long SNMP OIDs. This occurs in as...↗2025
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