Common Problems

Ubuntu 18.04 — libpano13 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libpano13 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 August 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6163-1 Related CVEs: CVE-2021-20307 CVE-2021-33293 Upstream summary: It was discovered that pano13 did not properly validate the prefix provided for PTcrop's output. An attacker could use this issue to cause […]

Read more
Ubuntu 14.04 — ldb — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — ldb — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 26 August 2021 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4888-2 Related CVEs: CVE-2020-27840 CVE-2021-20277 CVE-2019-3824 CVE-2015-3223 CVE-2015-5330 Upstream summary: USN-4888-1 fixed several vulnerabilities in ldb. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Douglas […]

Read more
Oracle Linux 8 — firefox — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — firefox — vulnerability — patch and remediation guide (ELSA-2021-3157)

🟠 High   ⏱ 15–60 min  Last verified: 26 August 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-3157 Related CVEs: CVE-2021-29984 CVE-2021-29988 CVE-2021-29980 CVE-2021-29985 CVE-2021-29986 CVE-2021-29989 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 26 August 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-2097 CVE-2005-3191 CVE-2005-3192 CVE-2005-3193 CVE-2005-3624 CVE-2005-3625 CVE-2005-3626 CVE-2005-3627  +12 more Upstream summary: xpdf and kpdf do not properly validate the "loca" table in PDF files, which allows local […]

Read more
Oracle Linux 8 — .NET 6.0 security and bugfix update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — .NET 6.0 security and bugfix update (ELSA-2022-0496)

🟠 High   ⏱ 15–60 min  Last verified: 25 August 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-0496 Related CVEs: CVE-2022-21986 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
FreeBSD 13 — icecast — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — icecast — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: icecast — Cross-Site Scripting Vulnerability Related CVEs: CVE-2001-0784 CVE-2001-1083 CVE-2001-1229 CVE-2001-1230 CVE-2002-0177 CVE-2004-0781 Upstream summary: Caused by improper filtering of HTML code in the status display, it is possible for […]

Read more
FreeBSD 13 — openarena — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — openarena — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: id Tech 3 — remote code execution vulnerability Related CVEs: CVE-2017-6903 Upstream summary: The content auto-download of id Tech 3 can be used to deliver maliciously crafted content, that triggers […]

Read more
FreeBSD 13 — xpm — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — xpm — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: xpm — image decoding vulnerabilities Related CVEs: CVE-2004-0687 CVE-2004-0688 Upstream summary: Chris Evans discovered several vulnerabilities in the libXpm image decoder: A stack-based buffer overflow in xpmParseColors An integer overflow […]

Read more
AlmaLinux 8 — python-rpmfluff — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — python-rpmfluff — 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-2019:3470 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 — libpgf — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — libpgf — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libpgf — use-after-free Related CVEs: CVE-2015-6673 Upstream summary: Pengsu Cheng reports: An use-after-free issue in Decoder.cpp was reported to upstream. The problem is due to lack of validation of ColorTableSize. […]

Read more
CHAT