Package Management

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 21 August 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-16612 CVE-2021-3782 Upstream summary: libXcursor before 1.1.15 has various integer overflows that could lead to heap buffer overflows when processing malicious cursors, e.g., with programs like GIMP. It […]

Read more
Debian 11 — httpcomponents-client — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — httpcomponents-client — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 August 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-1498 CVE-2013-4366 CVE-2014-3577 CVE-2015-5262 CVE-2020-13956 Upstream summary: Apache HttpClient 4.x before 4.1.1 in Apache HttpComponents, when used with an authenticating proxy server, sends the Proxy-Authorization header to the […]

Read more
Ubuntu 20.04 — cpanminus — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — cpanminus — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 August 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5230-1 Related CVEs: CVE-2020-16154 Upstream summary: It was discovered that App::cpanminus did not properly verify CHECKSUMS files. An attacker could possibly use this issue to bypass signature verification, gaining access […]

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

AlmaLinux 8 — ethtool — 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-2022:2042 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
Oracle Linux 8 — gcc-toolset-11-gcc — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — gcc-toolset-11-gcc — vulnerability — patch and remediation guide (ELSA-2021-4586)

🟡 Medium   ⏱ 10–30 min  Last verified: 21 August 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4586 Related CVEs: CVE-2021-42574 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
Oracle Linux 8 — gnutls and nettle — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — gnutls and nettle — vulnerability — patch and remediation guide (ELSA-2021-1206)

🟠 High   ⏱ 15–60 min  Last verified: 21 August 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-1206 Related CVEs: CVE-2021-20305 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
Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2021-9053)

🟠 High   ⏱ 15–60 min  Last verified: 21 August 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9053 Related CVEs: CVE-2021-26931 CVE-2021-26930 CVE-2021-26932 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

Read more
FreeBSD 13 — linux-c6-openssl — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — linux-c6-openssl — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 21 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: OpenSSL — Padding oracle vulnerability Related CVEs: CVE-2014-3513 CVE-2014-3566 CVE-2014-3567 CVE-2014-3568 CVE-2014-3569 CVE-2014-3570 CVE-2014-3571 CVE-2014-3572  +12 more Upstream summary: The OpenSSL project reports: 0-byte record padding oracle (CVE-2019-1559) (Moderate) If […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 20 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: gdcm — multiple vulnerabilities Related CVEs: CVE-2015-8396 CVE-2015-8397 Upstream summary: CENSUS S.A. reports: GDCM versions 2.6.0 and 2.6.1 (and possibly previous versions) are prone to an integer overflow vulnerability which […]

Read more
Oracle Linux 8 — java-17-openjdk — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — java-17-openjdk — security and stability fixes — required update (ELSA-2022-1445)

🟠 High   ⏱ 15–60 min  Last verified: 20 August 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-1445 Related CVEs: CVE-2022-21426 CVE-2022-21443 CVE-2022-21434 CVE-2022-21449 CVE-2022-21476 CVE-2022-21496 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

Read more
CHAT