| 155429 | Oracle Linux 8 : squid:4 (ELSA-2021-4292) | Nessus | Oracle Linux Local Security Checks | 2021/11/17 | 2024/10/22 | high |
| 154370 | EulerOS 2.0 SP3 : squid (EulerOS-SA-2021-2618) | Nessus | Huawei Local Security Checks | 2021/10/25 | 2023/11/28 | high |
| 163065 | SUSE SLES12 Security Update : squid (SUSE-SU-2022:2367-1) | Nessus | SuSE Local Security Checks | 2022/7/13 | 2023/7/13 | medium |
| 150232 | Ubuntu 18.04 LTS / 20.04 LTS : Squid vulnerabilities (USN-4981-1) | Nessus | Ubuntu Local Security Checks | 2021/6/3 | 2024/8/27 | high |
| 152405 | EulerOS 2.0 SP8 : squid (EulerOS-SA-2021-2317) | Nessus | Huawei Local Security Checks | 2021/8/10 | 2023/12/4 | high |
| 236478 | Alibaba Cloud Linux 3 : 0132: squid:4 (ALINUX3-SA-2022:0132) | Nessus | Alibaba Cloud Linux Local Security Checks | 2025/5/14 | 2025/5/14 | medium |
| 357958 | Rocky Linux 8 [CIQ] Security Update: libecap / libecap-debuginfo / libecap-debugsource / libecap-devel / etc Multiple Vulnerabilities (crlsa-2021_4292) | Nessus | Rocky Linux Local Security Checks | 2026/10/1 | 2026/10/2 | high |
| 155209 | RHEL 8 : squid:4 (RHSA-2021:4292) | Nessus | Red Hat Local Security Checks | 2021/11/11 | 2024/11/7 | high |
| 171863 | Amazon Linux AMI : squid (ALAS-2023-1687) | Nessus | Amazon Linux Local Security Checks | 2023/2/23 | 2024/12/11 | medium |
| 153665 | Oracle Linux 7 : squid (ELSA-2021-9465) | Nessus | Oracle Linux Local Security Checks | 2021/9/24 | 2024/10/22 | high |
| 153671 | EulerOS 2.0 SP5 : squid (EulerOS-SA-2021-2519) | Nessus | Huawei Local Security Checks | 2021/9/27 | 2023/11/29 | high |
| 252433 | Linux Distros Unpatched Vulnerability : CVE-2021-33620 | Nessus | Misc. | 2025/8/20 | 2026/7/24 | medium |
| 151955 | Photon OS 3.0: Squid PHSA-2021-3.0-0269 | Nessus | PhotonOS Local Security Checks | 2021/7/22 | 2025/8/22 | medium |
| 151967 | Photon OS 4.0: Squid PHSA-2021-4.0-0063 | Nessus | PhotonOS Local Security Checks | 2021/7/22 | 2025/8/22 | medium |
| 153296 | EulerOS 2.0 SP2 : squid (EulerOS-SA-2021-2433) | Nessus | Huawei Local Security Checks | 2021/9/14 | 2023/11/30 | high |
| 171805 | Amazon Linux 2 : squid (ALAS-2023-1950) | Nessus | Amazon Linux Local Security Checks | 2023/2/22 | 2024/12/11 | medium |
| 150796 | Debian DLA-2685-1 : squid3 security update | Nessus | Debian Local Security Checks | 2021/6/15 | 2023/12/21 | high |
| 294522 | MiracleLinux 8 : squid:4 (AXSA:2021-2820:01) | Nessus | Miracle Linux Local Security Checks | 2026/1/20 | 2026/1/20 | high |
| 357098 | CentOS Linux 7.9 [CIQ] Security Update: squid / squid-debuginfo / squid-migration-script / squid-sysvinit Multiple Vulnerabilities (ciqsa-2026_0740) | Nessus | CentOS Local Security Checks | 2026/10/1 | 2026/10/2 | high |
