Common Problems

Common Problems 112923

Windows Server 2016 — Print Spooler service stuck in stopping state — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 26 December 2022 Affected versions: Windows Server 2016 📖 ~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 […]

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openSUSE Tumbleweed — python38-PyJWT — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python38-PyJWT — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2025:14987-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-29217 Upstream summary: PyJWT is a Python implementation of RFC 7519. PyJWT supports multiple different JWT signing algorithms. With JWT, an attacker submitting the JWT […]

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Common Problems 111704

Windows Server 2022 — Windows container image pulls fail with TLS handshake timeout — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 26 December 2022 Affected versions: Windows Server 2022 📖 ~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 […]

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Debian 11 — prosody-modules — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — prosody-modules — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-8086 Upstream summary: The mod_auth_ldap and mod_auth_ldap2 Community Modules through 2020-01-27 for Prosody incompletely verify the XMPP address passed to the is_admin() function. This grants remote entities admin-only […]

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Debian 11 — pypy — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — pypy — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-16935 Upstream summary: The documentation XML-RPC server in Python through 2.7.16, 3.x through 3.6.9, and 3.7.x through 3.7.4 has XSS via the server_title field. This occurs in Lib/DocXMLRPCServer.py […]

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Debian 11 — libgrss — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libgrss — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-20011 Upstream summary: libgrss through 0.7.0 fails to perform TLS certificate verification when downloading feeds, allowing remote attackers to manipulate the contents of feeds without detection. This occurs […]

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Debian 11 — notary — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — notary — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-9258 CVE-2015-9259 Upstream summary: In Docker Notary before 0.1, gotuf/signed/verify.go has a Signature Algorithm Not Matched to Key vulnerability. Because an attacker controls the field specifying the signature […]

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SLES 15 — python3-oslo.utils — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — python3-oslo.utils — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 26 December 2022 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:02448-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-0718 Upstream summary: A flaw was found in python-oslo-utils. Due to improper parsing, passwords with a double quote ( " ) in them cause incorrect […]

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CentOS Stream 9 — xz — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — xz — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 26 December 2022 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2022:4940 Related CVEs: CVE-2022-1271 Upstream summary: XZ Utils is an integrated collection of user-space file compression utilities based on the Lempel-Ziv-Markov chain algorithm (LZMA), which performs lossless data compression. The algorithm […]

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Common Problems 117912

Release File Is Not Valid Yet (Clock Skew)

🟡 Medium   ⏱ 5–30 min  Last verified: 25 December 2022 📖 ~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 […]

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