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squid squid vulnerabilities and exploits
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9.8
CVSSv3
CVE-2020-11945
An issue exists in Squid prior to 5.0.2. A remote attacker can replay a sniffed Digest Authentication nonce to gain access to resources that are otherwise forbidden. This occurs because the attacker can overflow the nonce reference counter (a short integer). Remote code execution...
Squid-cache Squid
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Opensuse Leap 15.1
Fedoraproject Fedora 30
Fedoraproject Fedora 31
Fedoraproject Fedora 32
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 20.04
9.8
CVSSv3
CVE-2019-12519
An issue exists in Squid up to and including 4.7. When handling the tag esi:when when ESI is enabled, Squid calls ESIExpression::Evaluate. This function uses a fixed stack buffer to hold the expression while it's being evaluated. When processing the expression, it could eith...
Squid-cache Squid
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 20.04
Opensuse Leap 15.1
9.8
CVSSv3
CVE-2019-12524
An issue exists in Squid up to and including 4.7. When handling requests from users, Squid checks its rules to see if the request should be denied. Squid by default comes with rules to block access to the Cache Manager, which serves detailed server information meant for the maint...
Squid-cache Squid
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
9.8
CVSSv3
CVE-2016-1000027
Pivotal Spring Framework up to and including 5.3.16 suffers from a potential remote code execution (RCE) issue if used for Java deserialization of untrusted data. Depending on how the library is implemented within a product, this issue may or not occur, and authentication may be ...
Vmware Spring Framework
12 Github repositories
9.8
CVSSv3
CVE-2019-12526
An issue exists in Squid prior to 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 contr...
Squid-cache Squid
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.04
Canonical Ubuntu Linux 19.10
Fedoraproject Fedora 30
Fedoraproject Fedora 31
Opensuse Leap 15.0
Debian Debian Linux 8.0
Debian Debian Linux 9.0
Debian Debian Linux 10.0
9.8
CVSSv3
CVE-2019-12525
An issue exists in Squid 3.3.9 up to and including 3.5.28 and 4.x up to and including 4.7. When Squid is configured to use Digest authentication, it parses the header Proxy-Authorization. It searches for certain tokens such as domain, uri, and qop. Squid checks if this token'...
Squid-cache Squid
Debian Debian Linux 8.0
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Opensuse Leap 15.0
Opensuse Leap 15.1
Fedoraproject Fedora 29
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.04
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 12.04
9.1
CVSSv3
CVE-2019-12523
An issue exists in Squid prior to 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...
Squid-cache Squid
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.04
Canonical Ubuntu Linux 19.10
Fedoraproject Fedora 30
Fedoraproject Fedora 31
Opensuse Leap 15.0
Debian Debian Linux 9.0
Debian Debian Linux 10.0
8.8
CVSSv3
CVE-2020-1504
A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. If the current user is logg...
Microsoft Excel 2010
1 Article
8.8
CVSSv3
CVE-2020-15049
An issue exists in http/ContentLengthInterpreter.cc in Squid prior to 4.12 and 5.x prior to 5.0.3. A Request Smuggling and Poisoning attack can succeed against the HTTP cache. The client sends an HTTP request with a Content-Length header containing "+\ "-" or an un...
Squid-cache Squid 2.7
Squid-cache Squid
Fedoraproject Fedora 31
8.8
CVSSv3
CVE-2019-12527
An issue exists in Squid 4.0.23 up to and including 4.7. When checking Basic Authentication with HttpHeader::getAuth, Squid uses a global buffer to store the decoded data. Squid does not check that the decoded length isn't greater than the buffer, leading to a heap-based buf...
Squid-cache Squid
Fedoraproject Fedora 29
Debian Debian Linux 10.0
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.04
Canonical Ubuntu Linux 16.04
Redhat Enterprise Linux 8.0
Redhat Enterprise Linux Eus 8.1
Redhat Enterprise Linux Eus 8.2
Redhat Enterprise Linux Server Tus 8.2
Redhat Enterprise Linux Server Aus 8.2
Redhat Enterprise Linux Server Tus 8.4
Redhat Enterprise Linux Eus 8.4
Redhat Enterprise Linux Server Aus 8.4
Redhat Enterprise Linux Server Aus 8.6
Redhat Enterprise Linux Server Tus 8.6
Redhat Enterprise Linux Eus 8.6
CVSSv3
CVSSv2
CVSSv3
VMScore
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CVE-2024-5324
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CVE-2024-27822
code injection
CVE-2024-28995
CVE-2023-20938
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