CVE-2025-54574

Squid is a caching proxy for the Web. In versions 6.3 and below, Squid is vulnerable to a heap buffer overflow and possible remote code execution attack when processing URN due to incorrect buffer management. This has been fixed in version 6.4. To work around this issue, disable URN access...

DEBIAN-CVE-2025-54574

Squid is a caching proxy for the Web. In versions 6.3 and below, Squid is vulnerable to a heap buffer overflow and possible remote code execution attack when processing URN due to incorrect buffer management. This has been fixed in version 6.4. To work around this issue, disable URN access...

AZL-66075 CVE-2025-54574 affecting package squid 5.7-5

Squid is a caching proxy for the Web. In versions 6.3 and below, Squid is vulnerable to a heap buffer overflow and possible remote code execution attack when processing URN due to incorrect buffer management. This has been fixed in version 6.4. To work around this issue, disable URN access...

CVE-2025-54574 Squid's URN Handling can lead to Buffer Overflow

Squid is a caching proxy for the Web. In versions 6.3 and below, Squid is vulnerable to a heap buffer overflow and possible remote code execution attack when processing URN due to incorrect buffer management. This has been fixed in version 6.4. To work around this issue, disable URN access...

CVE-2025-54574

Summary: CVE-2025-54574 affects Squid proxy. In versions 6.3 and older, URN processing causes a heap buffer overflow that can enable remote code execution. Fix released in 6.4; workaround: disable URN access permissions. Multiple advisories (Debian, CloudLinux, Astra Linux, Fedora, etc.) corrobor...

CVE-2025-54574 Squid's URN Handling can lead to Buffer Overflow

Squid is a caching proxy for the Web. In versions 6.3 and below, Squid is vulnerable to a heap buffer overflow and possible remote code execution attack when processing URN due to incorrect buffer management. This has been fixed in version 6.4. To work around this issue, disable URN access...

CVE-2025-54574

Squid is a caching proxy for the Web. In versions 6.3 and below, Squid is vulnerable to a heap buffer overflow and possible remote code execution attack when processing URN due to incorrect buffer management. This has been fixed in version 6.4. To work around this issue, disable URN access...

USN-6857-1 squid3 vulnerabilities

Joshua Rogers discovered that Squid incorrectly handled requests with the urn: scheme. A remote attacker could possibly use this issue to cause Squid to consume resources, leading to a denial of service. This issue only affected Ubuntu 16.04 LTS. CVE-2021-28651 It was discovered that Squid...

squid-cache: Squid Buffer Overflow

A heap-based buffer overflow flaw was found in the Squid caching proxy. When processing the Uniform Resource Name URNs, specific conditions can lead to remote code execution...

squid-cache: Squid Buffer Overflow

A heap-based buffer overflow flaw was found in the Squid caching proxy. When processing the Uniform Resource Name URNs, specific conditions can lead to remote code execution...

DLink DIR-859 1.05 & 1.06B01 Multiple Vulnerabilities (RCE)

The version of DLink installed on the remote host is prior to 1.07b03. It is, therefore, affected by multiple remote code execution vulnerabilities as referenced in the vendor advisory. - The UPnP endpoint URL /gena.cgi in the D-Link DIR-859 Wi-Fi router 1.05 and 1.06B01 Beta01 allows an...

PT-2025-31674

Name of the Vulnerable Software and Affected Versions Squid versions 6.3 and earlier Squid versions prior to 6.4 Squid versions 5.7-2+deb12u3 Debian bookworm Description Squid, a high-performance proxy caching server, is affected by multiple issues. A critical heap-based buffer overflow exists in...

Important: squid

Issue Overview: An issue was discovered in Squid before 4.9. When handling a URN request, a corresponding HTTP request is made. This HTTP request doesn't go through the access checks that incoming HTTP requests go through. This causes all access checks to be bypassed and allows access to restrict...

Medium: squid

Issue Overview: Squid through 4.14 and 5.x through 5.0.5, in some configurations, allows information disclosure because of an out-of-bounds read in WCCP protocol data. This can be leveraged as part of a chain for remote code execution as nobody. CVE-2021-28116 An issue was discovered in Squid...

Oracle Linux 8 : squid:4 (ELSA-2020-4743)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-4743 advisory. - An issue was discovered in Squid before 4.10. It allows a crafted FTP server to trigger disclosure of sensitive information from heap memory, such as...

Amazon Linux AMI : squid (ALAS-2023-1757)

The version of squid installed on the remote host is prior to 3.5.20-17.46. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2023-1757 advisory. An issue was discovered in Squid before 4.9. When handling a URN request, a corresponding HTTP request is made. This HTT...

Important: squid

Issue Overview: An issue was discovered in Squid before 4.9. When handling a URN request, a corresponding HTTP request is made. This HTTP request doesn't go through the access checks that incoming HTTP requests go through. This causes all access checks to be bypassed and allows access to restrict...

Important: squid

Issue Overview: An issue was discovered in Squid before 4.9. When handling a URN request, a corresponding HTTP request is made. This HTTP request doesn't go through the access checks that incoming HTTP requests go through. This causes all access checks to be bypassed and allows access to restrict...

SUSE CVE-2019-12526

An issue was discovered in Squid before 4.9. URN response handling in Squid suffers from a heap-based buffer overflow. When receiving data from a remote server in response to an URN request, Squid fails to ensure that the response can fit within the buffer. This leads to attacker controlled data...

SUSE CVE-2021-28651

An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a buffer-management bug, it allows a denial of service. When resolving a request with the urn: scheme, the parser leaks a small amount of memory. However, there is an unspecified attack methodology that can easily trigger a...