IT, Cloud & DevOps Blog

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

Debian 11 — munge — 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-2026-25506 Upstream summary: MUNGE is an authentication service for creating and validating user credentials. From 0.5 to 0.5.17, local attacker can exploit a buffer overflow vulnerability in munged […]

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Debian 13 — ruby-crack — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — ruby-crack — vulnerability — 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-2013-1800 Upstream summary: The crack gem 0.3.1 and earlier for Ruby does not properly restrict casts of string values, which might allow remote attackers to conduct object-injection attacks […]

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Debian 12 — fex — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — fex — multiple vulnerabilities (7 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-2011-1409 CVE-2012-0869 CVE-2012-1293 CVE-2014-3875 CVE-2014-3876 CVE-2014-3877 CVE-2020-15591 Upstream summary: Frams's Fast File EXchange (F*EX, aka fex) 20100208, and possibly other versions before 20110610, allows remote attackers to bypass […]

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Debian 12 — golang-github-gomarkdown-markdown — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — golang-github-gomarkdown-markdown — multiple vulnerabilities (3 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-2023-42821 CVE-2024-44337 CVE-2026-40890 Upstream summary: The package `github.com/gomarkdown/markdown` is a Go library for parsing Markdown text and rendering as HTML. Prior to pseudoversion `0.0.0-20230922105210-14b16010c2ee`, which corresponds with commit […]

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

Debian 11 — python-aiosmtpd — 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-2024-27305 CVE-2024-34083 Upstream summary: aiosmtpd is a reimplementation of the Python stdlib smtpd.py based on asyncio. aiosmtpd is vulnerable to inbound SMTP smuggling. SMTP smuggling is a novel […]

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

Debian 11 — libice — 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-2017-2626 Upstream summary: It was discovered that libICE before 1.0.9-8 used a weak entropy to generate keys. A local attacker could potentially use this flaw for session hijacking […]

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Debian 11 — network-manager — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — network-manager — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-7246 CVE-2009-0365 CVE-2011-2176 CVE-2012-2736 CVE-2015-0272 CVE-2015-2924 CVE-2016-0764 CVE-2018-1000135  +4 more Upstream summary: NetworkManager 0.9.x does not pin a certificate's subject to an ESSID when 802.11X authentication is used. […]

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Debian 12 — php-mdb2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — php-mdb2 — 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-2007-5934 Upstream summary: The LOB functionality in PEAR MDB2 before 2.5.0a1 interprets a request to store a URL string as a request to retrieve and store the contents […]

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Debian 13 — php-nyholm-psr7 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — php-nyholm-psr7 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-29197 Upstream summary: guzzlehttp/psr7 is a PSR-7 HTTP message library implementation in PHP. Affected versions are subject to improper header parsing. An attacker could sneak in a newline (n) […]

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