# RHSA-2020:4743: Security update for 3 packages RHSA-2020:4743, released November 4, 2020, fixes 18 CVEs across 3 products. None of them is reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/fix/linux/rhsa-2020-4743 - Platform: Linux - Released: Nov 4, 2020 - Priority: High (Closes CVE-2020-8450, high severity) - CVEs: 18, exploited: 0, on CISA KEV: 0 - Vendor advisory: https://access.redhat.com/errata/RHSA-2020:4743 ## Applies to | Product | Release | Fixed in | |---|---|---| | [libecap](https://patchblox.com/security/data/product/linux/libecap.md) | RHEL 8 | 0:1.0.1-2.module+el8.1.0+4044+36416a77 | | [libecap-devel](https://patchblox.com/security/data/product/linux/libecap-devel.md) | RHEL 8 | 0:1.0.1-2.module+el8.1.0+4044+36416a77 | | [squid](https://patchblox.com/security/data/product/linux/squid.md) | RHEL 8 | 7:4.11-3.module+el8.3.0+7851+7808b5f9 | ## CVEs this fix closes | CVE | Priority | Title | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2020-8450](https://patchblox.com/security/data/cve/CVE-2020-8450.md) | High | libecap: Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. The... | 7.3 | 0.7179 | | | [CVE-2019-18679](https://patchblox.com/security/data/cve/CVE-2019-18679.md) | High | libecap: Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. The... | 7.5 | 0.4098 | | | [CVE-2019-12526](https://patchblox.com/security/data/cve/CVE-2019-12526.md) | High | libecap: Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. The... | 9.8 | 0.2025 | | | [CVE-2019-12854](https://patchblox.com/security/data/cve/CVE-2019-12854.md) | High | libecap: Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. The... | 7.5 | 0.1171 | | | [CVE-2019-12528](https://patchblox.com/security/data/cve/CVE-2019-12528.md) | High | squid-cgi: An issue was discovered in Squid before 4.10 | 7.5 | 0.1049 | | | [CVE-2019-18676](https://patchblox.com/security/data/cve/CVE-2019-18676.md) | High | libecap: Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. The... | 7.5 | 0.0918 | | | [CVE-2020-8449](https://patchblox.com/security/data/cve/CVE-2020-8449.md) | High | libecap: Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. The... | 7.5 | 0.0831 | | | [CVE-2020-15049](https://patchblox.com/security/data/cve/CVE-2020-15049.md) | High | libecap: Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. The... | 8.8 | 0.0571 | | | [CVE-2020-24606](https://patchblox.com/security/data/cve/CVE-2020-24606.md) | High | libecap: Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. The... | 7.5 | 0.0496 | | | [CVE-2019-12523](https://patchblox.com/security/data/cve/CVE-2019-12523.md) | High | libecap: Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. The... | 9.1 | 0.0430 | | | [CVE-2019-18677](https://patchblox.com/security/data/cve/CVE-2019-18677.md) | High | libecap: Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. The... | 7.4 | 0.0393 | | | [CVE-2019-12520](https://patchblox.com/security/data/cve/CVE-2019-12520.md) | High | libecap: Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. The... | 7.5 | 0.0392 | | | [CVE-2019-12524](https://patchblox.com/security/data/cve/CVE-2019-12524.md) | High | libecap: Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. The... | 9.8 | 0.0386 | | | [CVE-2020-14058](https://patchblox.com/security/data/cve/CVE-2020-14058.md) | High | libecap: Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. The... | 7.7 | 0.0254 | | | [CVE-2019-12529](https://patchblox.com/security/data/cve/CVE-2019-12529.md) | Routine | libecap: Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. The... | 5.9 | 0.0809 | | | [CVE-2019-18678](https://patchblox.com/security/data/cve/CVE-2019-18678.md) | Routine | libecap: Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. The... | 6.8 | 0.0620 | | | [CVE-2019-12521](https://patchblox.com/security/data/cve/CVE-2019-12521.md) | Routine | libecap: Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. The... | 5.9 | 0.0591 | | | [CVE-2019-18860](https://patchblox.com/security/data/cve/CVE-2019-18860.md) | Routine | libecap: Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. The... | 6.1 | 0.0500 | | --- Data as of 2026-11-07T06:34:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo