Common Problems

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

Debian 11 — shapelib — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-0699 Upstream summary: A double-free condition exists in contrib/shpsort.c of shapelib 1.5.0 and older releases. This issue may allow an attacker to cause a denial of service or […]

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Debian 11 — ircd-ircu — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ircd-ircu — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-4408 CVE-2007-4410 CVE-2007-4411 Upstream summary: ircu 2.10.12.05 and earlier ignores timestamps in bounces, which allows remote attackers to take over a channel during a netjoin by causing a […]

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AlmaLinux 9 — gcc-toolset-14-gcc — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — gcc-toolset-14-gcc — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:1300 Related CVEs: CVE-2020-11023 Upstream summary: The gcc-toolset-14-gcc13 package contains the GNU Compiler Collection version 14. Security Fix(es): * jquery: Untrusted code execution via <option> tag in HTML passed to DOM manipulation […]

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Debian 11 — mosquitto — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mosquitto — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 7 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-7650 CVE-2017-7651 CVE-2017-7652 CVE-2017-7653 CVE-2017-7654 CVE-2017-7655 CVE-2017-9868 CVE-2018-12546  +12 more Upstream summary: In Mosquitto before 1.4.12, pattern based ACLs can be bypassed by clients that set their username/client […]

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Debian 11 — clutter-1.0 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — clutter-1.0 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-2190 CVE-2015-3213 Upstream summary: The translate_hierarchy_event function in x11/clutter-device-manager-xi2.c in Clutter, when resuming the system, does not properly handle XIQueryDevice errors when a device has "disappeared," which causes […]

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SLES 12 — xmlgraphics-batik — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — xmlgraphics-batik — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 7 October 2022 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:0777-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-5662 CVE-2022-44729 CVE-2020-11987 CVE-2022-38398 CVE-2022-38648 CVE-2022-40146 CVE-2022-41704 CVE-2022-42890  +2 more Upstream summary: In Apache Batik before 1.9, files lying on the filesystem of the server […]

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FreeBSD 13 — linux-flashplayer — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — linux-flashplayer — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 7 October 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Flash Player — arbitrary code execution Related CVEs: CVE-2017-11213 CVE-2017-11215 CVE-2017-11225 CVE-2017-11281 CVE-2017-11282 CVE-2017-11292 CVE-2017-2925 CVE-2017-2926  +12 more Upstream summary: Adobe reports: This update resolves a NULL pointer dereference vulnerability […]

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IBM AIX 7.3 — CVE-1999-0097 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-1999-0097 — vulnerability — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 6 October 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-1999-0097, IBM PSIRT advisory page CVE: CVE-1999-0097 NVD summary: The AIX FTP client can be forced to execute commands from a malicious server through shell metacharacters (e.g. a pipe character). References: exchange.xforce.ibmcloud.com/vulnerabilities/CVE […]

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Common Problems 120669

Debian 11 rsyslog Service Fails to Start After Config Edit

🟠 High   ⏱ 5–30 min  Last verified: 6 October 2022 Affected versions: Debian 11 📖 ~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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CHAT