Common Problems

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

Debian 13 — bcron — 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-2012-6110 Upstream summary: bcron-exec in bcron before 0.10 does not close file descriptors associated with temporary files when running a cron job, which allows local users to modify […]

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

Debian 13 — node-postcss — 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-2021-23368 CVE-2021-23382 CVE-2021-23566 CVE-2023-44270 CVE-2024-55565 CVE-2026-41305 Upstream summary: The package postcss from 7.0.0 and before 8.2.10 are vulnerable to Regular Expression Denial of Service (ReDoS) during source map […]

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

Debian 13 — perdition — 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-2007-5740 CVE-2013-4584 Upstream summary: The format string protection mechanism in IMAPD for Perdition Mail Retrieval Proxy 1.17 and earlier allows remote attackers to execute arbitrary code via an […]

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Debian 12 — node-xmldom — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — node-xmldom — multiple vulnerabilities (9 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-2021-21366 CVE-2021-32796 CVE-2022-37616 CVE-2022-39353 CVE-2026-34601 CVE-2026-41672 CVE-2026-41673 CVE-2026-41674  +1 more Upstream summary: xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) DOMParser and XMLSerializer module. […]

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Debian 11 — pypdf2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — pypdf2 — multiple vulnerabilities (20 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-2022-24859 CVE-2023-36810 CVE-2025-55197 CVE-2026-22690 CVE-2026-22691 CVE-2026-24688 CVE-2026-27024 CVE-2026-27025  +12 more Upstream summary: PyPDF2 is an open source python PDF library capable of splitting, merging, cropping, and transforming the […]

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Debian 13 — libpdfbox-java — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libpdfbox-java — multiple vulnerabilities (7 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-2016-2175 CVE-2018-11797 CVE-2018-8036 CVE-2021-31811 CVE-2021-31812 CVE-2026-23907 CVE-2026-33929 Upstream summary: Apache PDFBox before 1.8.12 and 2.x before 2.0.1 does not properly initialize the XML parsers, which allows context-dependent attackers […]

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Debian 13 — lxml — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — lxml — multiple vulnerabilities (7 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-2014-3146 CVE-2018-19787 CVE-2020-27783 CVE-2021-28957 CVE-2021-43818 CVE-2022-2309 CVE-2026-41066 Upstream summary: Incomplete blacklist vulnerability in the lxml.html.clean module in lxml before 3.3.5 allows remote attackers to conduct cross-site scripting (XSS) […]

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Debian 12 — cmake — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — cmake — 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-2009-3560 CVE-2009-3720 CVE-2025-9301 Upstream summary: The big2_toUtf8 function in lib/xmltok.c in libexpat in Expat 2.0.1, as used in the XML-Twig module for Perl, allows context-dependent attackers to cause […]

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Debian 11 — node-ws — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-ws — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-10518 CVE-2016-10542 CVE-2021-32640 CVE-2024-37890 CVE-2026-45736 Upstream summary: A vulnerability was found in the ping functionality of the ws module before 1.0.0 which allowed clients to allocate memory by […]

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Ubuntu 20.04 — snapd — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — snapd — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8102-1 Related CVEs: CVE-2026-3888 CVE-2024-1724 CVE-2024-29068 CVE-2024-29069 CVE-2023-1523 CVE-2022-3328 https://bugs.launchpad.net/ubuntu/+source/snapd/+bug/1961365 https://bugs.launchpad.net/ubuntu/+source/snapd/+bug/1961791  +7 more Upstream summary: Qualys discovered that snapd incorrectly handled certain operations in the snap's private /tmp directory. If […]

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CHAT