Common Problems

IBM AIX 7.3 — CVE-2020-4761 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2020-4761 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 26 December 2021 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2020-4761, IBM Support Bulletin CVE: CVE-2020-4761 NVD summary: IBM Sterling B2B Integrator Standard Edition 5.2.0.0 through 5.2.6.5_2, 6.0.0.0 through 6.0.3.2, and 6.1.0.0 could allow a remote attacker to obtain sensitive information when […]

Read more
Oracle Linux 8 — kernel — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel — security and stability fixes — required update (ELSA-2023-0832)

🟠 High   ⏱ 15–60 min  Last verified: 26 December 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-0832 Related CVEs: CVE-2022-2873 CVE-2022-41222 CVE-2022-43945 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

Read more
FreeBSD 13 — py38-beaker — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py38-beaker — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 December 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-beaker — arbitrary code execution vulnerability Related CVEs: CVE-2013-7489 Upstream summary: matheusbrat reports: The Beaker library through 1.12.1 for Python is affected by deserialization of untrusted data, which could lead […]

Read more
FreeBSD 13 — logstash — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — logstash — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 26 December 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: logstash — password disclosure vulnerability Related CVEs: CVE-2014-3120 CVE-2014-4326 CVE-2015-4152 CVE-2015-5378 Upstream summary: Logstash developers report: Passwords Printed in Log Files under Some Conditions It was discovered that, in Logstash […]

Read more
AlmaLinux 8 — nss_wrapper — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — nss_wrapper — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2019:3557 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

Read more
FreeBSD 13 — mysql81-client — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mysql81-client — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 December 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MySQL — Multiple vulnerabilities Upstream summary: Oracle reports: 36 new security patches for Oracle MySQL. 11 of these vulnerabilities may be remotely exploitable without authentication, i.e., may be exploited over […]

Read more
Debian 11 — picolibc — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — picolibc — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 26 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-14871 CVE-2019-14872 CVE-2019-14873 CVE-2019-14874 CVE-2019-14876 CVE-2019-14877 CVE-2019-14878 CVE-2021-3420 Upstream summary: The REENT_CHECK macro (see newlib/libc/include/sys/reent.h) as used by REENT_CHECK_TM, REENT_CHECK_MISC, REENT_CHECK_MP and other newlib macros in versions prior […]

Read more
Common Problems 115404

YUM GPG Key Verification Failures

🟡 Medium   ⏱ 5–30 min  Last verified: 26 December 2021 📖 ~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 11 — libxkbcommon — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libxkbcommon — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 26 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-15853 CVE-2018-15854 CVE-2018-15855 CVE-2018-15856 CVE-2018-15857 CVE-2018-15858 CVE-2018-15859 CVE-2018-15861  +3 more Upstream summary: Endless recursion exists in xkbcomp/expr.c in xkbcommon and libxkbcommon before 0.8.1, which could be used by […]

Read more
CHAT