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squid-cache squid vulnerabilities and exploits
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6.5
CVSSv3
CVE-2021-46784
In Squid 3.x up to and including 3.5.28, 4.x up to and including 4.17, and 5.x prior to 5.6, due to improper buffer management, a Denial of Service can occur when processing long Gopher server responses.
Squid-cache Squid
Debian Debian Linux 10.0
Debian Debian Linux 11.0
Debian Debian Linux 12.0
6.5
CVSSv3
CVE-2021-31807
An issue exists in Squid prior to 4.15 and 5.x prior to 5.0.6. An integer overflow problem allows a remote server to achieve Denial of Service when delivering responses to HTTP Range requests. The issue trigger is a header that can be expected to exist in HTTP traffic without any...
Squid-cache Squid 2.5.stable6
Squid-cache Squid 2.6
Squid-cache Squid 2.5.stable9
Squid-cache Squid 2.7
Squid-cache Squid 2.5.stable4
Squid-cache Squid 2.5.stable7
Squid-cache Squid 2.5.stable14
Squid-cache Squid 2.5.stable2
Squid-cache Squid 2.5.stable5
Squid-cache Squid 2.5.stable12
Squid-cache Squid 2.5.stable13
Squid-cache Squid 2.5.stable11
Squid-cache Squid 2.5.stable3
Squid-cache Squid 2.5.stable8
Squid-cache Squid 2.5.stable10
Squid-cache Squid
Fedoraproject Fedora 33
Fedoraproject Fedora 34
Netapp Cloud Manager -
6.5
CVSSv3
CVE-2021-33620
Squid prior to 4.15 and 5.x prior to 5.0.6 allows remote servers to cause a denial of service (affecting availability to all clients) via an HTTP response. The issue trigger is a header that can be expected to exist in HTTP traffic without any malicious intent by the server.
Squid-cache Squid
Fedoraproject Fedora 33
Fedoraproject Fedora 34
Debian Debian Linux 9.0
6.5
CVSSv3
CVE-2021-31808
An issue exists in Squid prior to 4.15 and 5.x prior to 5.0.6. Due to an input-validation bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy). A client sends an HTTP Range request to trigger this.
Squid-cache Squid
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Netapp Cloud Manager -
Fedoraproject Fedora 33
Fedoraproject Fedora 34
6.5
CVSSv3
CVE-2021-31806
An issue exists in Squid prior to 4.15 and 5.x prior to 5.0.6. Due to a memory-management bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy) via HTTP Range request processing.
Squid-cache Squid
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Fedoraproject Fedora 33
Fedoraproject Fedora 34
Netapp Cloud Manager -
6.5
CVSSv3
CVE-2021-28662
An issue exists in Squid 4.x prior to 4.15 and 5.x prior to 5.0.6. If a remote server sends a certain response header over HTTP or HTTPS, there is a denial of service. This header can plausibly occur in benign network traffic.
Squid-cache Squid
Debian Debian Linux 10.0
Fedoraproject Fedora 33
Fedoraproject Fedora 34
6.5
CVSSv3
CVE-2020-15810
An issue exists in Squid prior to 4.13 and 5.x prior to 5.0.4. Due to incorrect data validation, HTTP Request Smuggling attacks may succeed against HTTP and HTTPS traffic. This leads to cache poisoning. This allows any client, including browser scripts, to bypass local security a...
Squid-cache Squid
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 20.04
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Fedoraproject Fedora 31
Fedoraproject Fedora 32
Fedoraproject Fedora 33
Opensuse Leap 15.1
Opensuse Leap 15.2
6.5
CVSSv3
CVE-2020-15811
An issue exists in Squid prior to 4.13 and 5.x prior to 5.0.4. Due to incorrect data validation, HTTP Request Splitting attacks may succeed against HTTP and HTTPS traffic. This leads to cache poisoning. This allows any client, including browser scripts, to bypass local security a...
Squid-cache Squid
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 20.04
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Fedoraproject Fedora 31
Fedoraproject Fedora 32
Fedoraproject Fedora 33
Opensuse Leap 15.1
Opensuse Leap 15.2
6.5
CVSSv3
CVE-2020-14059
An issue exists in Squid 5.x prior to 5.0.3. Due to an Incorrect Synchronization, a Denial of Service can occur when processing objects in an SMP cache because of an Ipc::Mem::PageStack::pop ABA problem during access to the memory page/slot management list.
Squid-cache Squid
6.1
CVSSv3
CVE-2019-18860
Squid prior to 4.9, when certain web browsers are used, mishandles HTML in the host (aka hostname) parameter to cachemgr.cgi.
Squid-cache Squid
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
Opensuse Leap 15.1
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-33228
CVE-2024-20361
log injection
bypass
CVE-2024-4985
CVE-2024-35223
CVE-2024-29849
CVE-2024-31893
IMAP
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