Security Hardening

Debian 11 — lucene-solr — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — lucene-solr — multiple vulnerabilities (17 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-2012-6612 CVE-2013-6397 CVE-2013-6407 CVE-2013-6408 CVE-2017-12629 CVE-2017-3163 CVE-2017-3164 CVE-2018-1308  +9 more Upstream summary: The (1) UpdateRequestHandler for XSLT or (2) XPathEntityProcessor in Apache Solr before 4.1 allows remote attackers […]

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Debian 13 — cantata — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — cantata — multiple vulnerabilities (4 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-2018-12559 CVE-2018-12560 CVE-2018-12561 CVE-2018-12562 Upstream summary: An issue was discovered in the cantata-mounter D-Bus service in Cantata through 2.3.1. The mount target path check in mounter.cpp `mpOk()` is […]

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

Debian 12 — slixmpp — 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-2017-5591 CVE-2019-1000021 CVE-2022-45197 Upstream summary: An incorrect implementation of "XEP-0280: Message Carbons" in multiple XMPP clients allows a remote attacker to impersonate any user, including contacts, in the […]

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Debian 13 — python-h11 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — python-h11 — 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-2025-43859 Upstream summary: h11 is a Python implementation of HTTP/1.1. Prior to version 0.16.0, a leniency in h11's parsing of line terminators in chunked-coding message bodies can lead to […]

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

Debian 12 — libfwsi — 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-2019-17263 Upstream summary: In libyal libfwsi before 20191006, libfwsi_extension_block_copy_from_byte_stream in libfwsi_extension_block.c has a heap-based buffer over-read because rejection of an unsupported size only considers values less than 6, […]

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Debian 13 — angular.js — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — angular.js — multiple vulnerabilities (16 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-2019-10768 CVE-2019-14863 CVE-2020-7676 CVE-2022-25844 CVE-2022-25869 CVE-2023-26116 CVE-2023-26117 CVE-2023-26118  +8 more Upstream summary: In AngularJS before 1.7.9 the function `merge()` could be tricked into adding or modifying properties of […]

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

Debian 12 — pcal — 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-2004-1289 Upstream summary: Multiple buffer overflows in (1) the getline function in pcalutil.c and (2) the get_holiday function in readfile.c for pcal 4.7.1 allow remote attackers to execute […]

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Debian 13 — obs-build — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — obs-build — 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-2017-14804 Upstream summary: The build package before 20171128 did not check directory names during extraction of build results that allowed untrusted builds to write outside of the target system,allowing […]

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

Debian 13 — beanstalkd — 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-2010-2060 Upstream summary: The put command functionality in beanstalkd 1.4.5 and earlier allows remote attackers to execute arbitrary Beanstalk commands via the body in a job that is […]

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Debian 13 — cpp-httplib — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — cpp-httplib — multiple vulnerabilities (16 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-2023-26130 CVE-2025-0825 CVE-2025-46728 CVE-2025-53628 CVE-2025-53629 CVE-2025-66570 CVE-2025-66577 CVE-2026-21428  +8 more Upstream summary: Versions of the package yhirose/cpp-httplib before 0.12.4 are vulnerable to CRLF Injection when untrusted user input […]

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