Operations

Debian 12 — procmail — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — procmail — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-3618 CVE-2017-16844 Upstream summary: Heap-based buffer overflow in formisc.c in formail in procmail 3.22 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary […]

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Debian 13 — pcf2bdf — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — pcf2bdf — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-23318 CVE-2022-23319 Upstream summary: A heap-buffer-overflow in pcf2bdf, versions >= 1.05 allows an attacker to trigger unsafe memory access via a specially crafted PCF font file. This out-of-bound […]

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Debian 11 — golang-github-ulikunitz-xz — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — golang-github-ulikunitz-xz — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-29482 CVE-2025-58058 Upstream summary: xz is a compression and decompression library focusing on the xz format completely written in Go. The function readUvarint used to read the xz […]

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Debian 13 — cimg — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — cimg — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-7587 CVE-2018-7588 CVE-2018-7589 CVE-2018-7637 CVE-2018-7638 CVE-2018-7639 CVE-2018-7640 CVE-2018-7641  +7 more Upstream summary: An issue was discovered in CImg v.220. DoS occurs when loading a crafted bmp image that […]

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Debian 12 — polygen — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — polygen — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-2656 Upstream summary: Polygen before 1.0.6 generates precompiled grammar objects with world-writable permissions, which allows local users to cause a denial of service (disk consumption) and possibly perform […]

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Debian 12 — libnbd — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libnbd — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-14842 CVE-2021-20286 CVE-2022-0485 CVE-2023-5215 CVE-2024-7383 Upstream summary: Structured reply is a feature of the newstyle NBD protocol allowing the server to send a reply in chunks. A bounds […]

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Debian 11 — libxml-twig-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libxml-twig-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-9180 Upstream summary: perl-XML-Twig: The option to `expand_external_ents`, documented as controlling external entity expansion in XML::Twig does not work. External entities are always expanded, regardless of the option's […]

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Debian 12 — golang-github-prometheus-exporter-toolkit — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — golang-github-prometheus-exporter-toolkit — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-46146 Upstream summary: Prometheus Exporter Toolkit is a utility package to build exporters. Prior to versions 0.7.2 and 0.8.2, if someone has access to a Prometheus web.yml file […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-5929 CVE-2021-42550 CVE-2023-6378 CVE-2024-12798 CVE-2024-12801 CVE-2026-1225 Upstream summary: QOS.ch Logback before 1.2.0 has a serialization vulnerability affecting the SocketServer and ServerSocketReceiver components. Table of contents Symptom & Impact […]

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