Common Problems

AlmaLinux 8 — gcc-toolset-9-systemtap — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gcc-toolset-9-systemtap — 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-2019:3454 Upstream summary: GCC Toolset is a compiler toolset that provides recent versions of development tools. GCC Toolset is an Application Stream packaged as a Software Collection. This enhancement update adds the […]

Read more
FreeBSD 12 — py38-markdown — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py38-markdown — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 October 2021 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-markdown2 — regular expression denial of service vulnerability Related CVEs: CVE-2020-11888 CVE-2021-26813 Upstream summary: Ben Caller reports: markdown2 >=1.0.1.18, fixed in 2.4.0, is affected by a regular expression denial of […]

Read more
Debian 11 — muttprint — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — muttprint — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-5368 Upstream summary: muttprint in muttprint 0.72d allows local users to overwrite arbitrary files via a symlink attack on the /tmp/muttprint.log temporary file. Table of contents Symptom & […]

Read more
Debian 11 — ncbi-tools6 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ncbi-tools6 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-5149 Upstream summary: fwd_check.sh in libncbi6 6.1.20080302 allows local users to overwrite arbitrary files via a symlink attack on a /tmp/##### temporary file. Table of contents Symptom & […]

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

AlmaLinux 8 — sos — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:4744 Upstream summary: The sos package contains a set of utilities that gather information from system hardware, logs, and configuration files. The information can then be used for diagnostic purposes and debugging. […]

Read more
Common Problems 114951

RHEL 8 chronyd Time Drift Causing Kerberos and TLS Failures

🟡 Medium   ⏱ 5–30 min  Last verified: 21 October 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 — python-autobahn — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-autobahn — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-35678 Upstream summary: Autobahn|Python before 20.12.3 allows redirect header injection. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]

Read more
AlmaLinux 8 — fetchmail — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — fetchmail — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2022:1964 Related CVEs: CVE-2021-36386 CVE-2021-39272 Upstream summary: Fetchmail is a remote mail retrieval and forwarding utility intended for use over on-demand TCP/IP links, like SLIP or PPP connections. Fetchmail supports every remote-mail […]

Read more
Debian 11 — gnome-font-viewer — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — gnome-font-viewer — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-19308 Upstream summary: In text_to_glyphs in sushi-font-widget.c in gnome-font-viewer 3.34.0, there is a NULL pointer dereference while parsing a TTF font file that lacks a name section (due […]

Read more
Debian 11 — svgsalamander — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — svgsalamander — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-5617 Upstream summary: The SVG Salamander (aka svgSalamander) library, when used in a web application, allows remote attackers to conduct server-side request forgery (SSRF) attacks via an xlink:href […]

Read more
CHAT