CVE-2025-59362
squid-cache: Squid cache buffer overflow
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 26, 2025
Updated · June 30, 2026
Description
A stack-based buffer overflow vulnerability exists in the SNMP (Simple Network Management Protocol) message processing component of Squid Cache. The flaw is present in the asn_build_objid function located in the lib/snmplib/asn1.c library, which is responsible for encoding Object Identifiers (OIDs) into the ASN.1 BER format for SNMP responses. Exploitation of this vulnerability is likely to only induce a denial of service in the Squid Cache process.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE-121 · Stack-based Buffer Overflow