Common Problems

Debian 13 — shutter — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — shutter — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-0854 CVE-2016-10081 Upstream summary: App/HelperFunctions.pm in Shutter through 0.93.1 allows user-assisted remote attackers to execute arbitrary commands via a crafted image name that is mishandled during a "Show […]

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

Debian 11 — libwww-perl — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-2253 CVE-2011-0633 CVE-2026-8368 Upstream summary: lwp-download in libwww-perl before 5.835 does not reject downloads to filenames that begin with a . (dot) character, which allows remote servers to […]

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Debian 13 — libconfuse — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libconfuse — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 May 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-40320 Upstream summary: cfg_tilde_expand in confuse.c in libConfuse 3.3 has a heap-based buffer over-read. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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openSUSE Tumbleweed — libXvnc1 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libXvnc1 — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2014-0011 CVE-2020-26117 CVE-2026-34352 CVE-2014-8240 CVE-2019-15691 CVE-2019-15692 CVE-2019-15693 CVE-2019-15694  +2 more Upstream summary: Multiple heap-based buffer overflows in the ZRLE_DECODE function in common/rfb/zrleDecode.h in TigerVNC before […]

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Debian 13 — flightgear — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — flightgear — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-2090 CVE-2012-2091 CVE-2016-9956 CVE-2017-13709 CVE-2017-8921 CVE-2025-0781 Upstream summary: Multiple format string vulnerabilities in FlightGear 2.6 and earlier and SimGear 2.6 and earlier allow user-assisted remote attackers to cause […]

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

Debian 11 — python-marshmallow — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-17175 CVE-2025-68480 Upstream summary: In the marshmallow library before 2.15.1 and 3.x before 3.0.0b9 for Python, the schema "only" option treats an empty list as implying no "only" […]

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Red Hat Enterprise Linux 9 — python3.12-urllib3 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 9

Red Hat Enterprise Linux 9 — python3.12-urllib3 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 9 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:1957 Related CVEs: CVE-2025-66418 CVE-2025-66471 CVE-2026-21441 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution […]

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Debian 12 — rust-jsonwebtoken — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — rust-jsonwebtoken — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2026-25537 Upstream summary: jsonwebtoken is a JWT lib in rust. Prior to version 10.3.0, there is a Type Confusion vulnerability in jsonwebtoken, specifically, in its claim validation logic. […]

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Debian 13 — golang-github-nats-io-jwt — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — golang-github-nats-io-jwt — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-26521 CVE-2020-26892 CVE-2021-3127 Upstream summary: The JWT library in NATS nats-server before 2.1.9 allows a denial of service (a nil dereference in Go code). Table of contents Symptom […]

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Red Hat Enterprise Linux 9 — image-builder — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 9

Red Hat Enterprise Linux 9 — image-builder — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 9 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:13671 Related CVEs: CVE-2026-25679 CVE-2025-61726 CVE-2025-61729 CVE-2025-68121 CVE-2025-58183 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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