Linux

Alpine Linux 3.18 — coturn — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — coturn — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 4.5.2-r0 📖 ~4 min read  •  Source: Alpine secdb entry — coturn 4.5.2-r0 Related CVEs: CVE-2020-26262 CVE-2020-4067 Upstream summary: Alpine community repository for vv3.18 ships coturn 4.5.2-r0 which addresses CVE-2020-26262. Table of contents Symptom & Impact […]

Read more
Debian 12 — golang-1.19 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — golang-1.19 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 30 November 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-1705 CVE-2022-1962 CVE-2022-27664 CVE-2022-2879 CVE-2022-2880 CVE-2022-30630 CVE-2022-30631 CVE-2022-30632  +12 more Upstream summary: Acceptance of some invalid Transfer-Encoding headers in the HTTP/1 client in net/http before Go 1.17.12 and […]

Read more
Amazon Linux 2023 — expat — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — expat — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2023-058 Related CVEs: CVE-2021-45960 CVE-2021-46143 CVE-2022-22822 CVE-2022-22823 CVE-2022-22824 CVE-2022-22825 CVE-2022-22826 CVE-2022-22827  +12 more Upstream summary: In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in […]

Read more
Common Problems 114563

RHEL 9 Apache fails due to incorrect SELinux booleans

🟡 Medium   ⏱ 5–30 min  Last verified: 29 November 2023 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

Read more
Debian 12 — cpdb-libs — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — cpdb-libs — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 November 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-34095 Upstream summary: cpdb-libs provides frontend and backend libraries for the Common Printing Dialog Backends (CPDB) project. In versions 1.0 through 2.0b4, cpdb-libs is vulnerable to buffer overflows […]

Read more
Debian 12 — freeradius — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — freeradius — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 29 November 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0967 CVE-2003-0968 CVE-2004-0938 CVE-2004-0960 CVE-2004-0961 CVE-2005-1454 CVE-2005-1455 CVE-2005-4744  +12 more Upstream summary: rad_decode in FreeRADIUS 0.9.2 and earlier allows remote attackers to cause a denial of service (crash) […]

Read more
Debian 12 — golang-github-revel-revel — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — golang-github-revel-revel — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 November 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-36568 Upstream summary: Unsanitized input in the query parser in github.com/revel/revel before v1.0.0 allows remote attackers to cause resource exhaustion via memory allocation. Table of contents Symptom & […]

Read more
Ubuntu 22.04 — linux-starfive-5.19 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — linux-starfive-5.19 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 29 November 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6192-1 Related CVEs: CVE-2023-2430 CVE-2023-35788 https://launchpad.net/bugs/2023577 https://launchpad.net/bugs/2023220 Upstream summary: Hangyu Hua discovered that the Flower classifier implementation in the Linux kernel contained an out-of-bounds write vulnerability. An attacker could use […]

Read more
Ubuntu 22.04 — linux-allwinner-5.19 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — linux-allwinner-5.19 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 29 November 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6192-1 Related CVEs: CVE-2023-2430 CVE-2023-35788 https://launchpad.net/bugs/2023577 https://launchpad.net/bugs/2023220 Upstream summary: Hangyu Hua discovered that the Flower classifier implementation in the Linux kernel contained an out-of-bounds write vulnerability. An attacker could use […]

Read more
openSUSE Leap 15.5 — libXpm4 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — libXpm4 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:3251-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-43788 CVE-2023-43789 Upstream summary: A vulnerability was found in libXpm due to a boundary condition within the XpmCreateXpmImageFromBuffer() function. This flaw allows a local […]

Read more
CHAT