CVE-2025-59362 Memory corruption in n/a
Squid proxy server suffers from a stack-based buffer overflow in SNMP OID handling, potentially allowing remote code execution or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-59362?
CVE-2025-59362 is a medium-severity memory corruption vulnerability in Squid-Cache Squid, published on 26 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Squid through 7.1 mishandles ASN.1 encoding of long SNMP OIDs. This occurs in asn_build_objid in lib/snmplib/asn1.c.
Weakness: CWE-121
Which versions are affected by CVE-2025-59362?
It affects 1 product.
Linux distribution packages (16)
squid SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | All versions | 5.7-150400.3.35.1 |
squid SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS | All versions | 5.7-150400.3.35.1 |
squid SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | All versions | 5.7-150400.3.35.1 |
squid SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS | All versions | 5.7-150400.3.35.1 |
squid SUSE:Linux Enterprise Module for Server Applications 15 SP6 | All versions | 6.10-150600.3.9.1 |
squid SUSE:Linux Enterprise Module for Server Applications 15 SP7 | All versions | 6.10-150600.3.9.1 |
squid SUSE:Linux Enterprise Server 12 SP5-LTSS | All versions | 4.17-4.53.1 |
squid SUSE:Linux Enterprise Server 15 SP4-LTSS | All versions | 5.7-150400.3.35.1 |
squid SUSE:Linux Enterprise Server 15 SP5-LTSS | All versions | 5.7-150400.3.35.1 |
squid SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5 | All versions | 4.17-4.53.1 |
squid SUSE:Linux Enterprise Server for SAP Applications 15 SP4 | All versions | 5.7-150400.3.35.1 |
squid SUSE:Linux Enterprise Server for SAP Applications 15 SP5 | All versions | 5.7-150400.3.35.1 |
squid SUSE:Manager Proxy LTS 4.3 | All versions | 5.7-150400.3.35.1 |
squid SUSE:Manager Server LTS 4.3 | All versions | 5.7-150400.3.35.1 |
squid openSUSE:Leap 15.6 | All versions | 6.10-150600.3.9.1 |
squid openSUSE:Tumbleweed | All versions | 7.6-1.1 |
Products include Squid-Cache Squid.
How do I fix CVE-2025-59362?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-59362 being exploited?
There is no known exploitation of CVE-2025-59362 in the wild and no public exploit code.
Other vulnerabilities in Squid-Cache Squid
- CVE-2025-62168 Squid vulnerable to information disclosure via authentication credential leakage in error handling
- CVE-2025-54574 Squid's URN Handling can lead to Buffer Overflow
- CVE-2026-33526 Squid vulnerable to Denial of Service in ICP Request handling
- CVE-2026-32748 Squid has Denial of Service in ICP Response handling
- CVE-2023-50269 SQUID-2023:10 Denial of Service in HTTP Request parsing
Sources
Also known as ALPINE-CVE-2025-59362, AZL-67808, AZL-67850, CLSA-2026-1775034352, DEBIAN-CVE-2025-59362, GHSA-jh85-mgr3-8f33 and 9 more.