Common Problems

Debian 11 — picolibc — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — picolibc — multiple vulnerabilities (8 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-2019-14871 CVE-2019-14872 CVE-2019-14873 CVE-2019-14874 CVE-2019-14876 CVE-2019-14877 CVE-2019-14878 CVE-2021-3420 Upstream summary: The REENT_CHECK macro (see newlib/libc/include/sys/reent.h) as used by REENT_CHECK_TM, REENT_CHECK_MISC, REENT_CHECK_MP and other newlib macros in versions prior […]

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Debian 11 — prometheus-blackbox-exporter — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — prometheus-blackbox-exporter — 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-2020-16248 CVE-2023-26735 Upstream summary: Prometheus Blackbox Exporter through 0.17.0 allows /probe?target= SSRF. NOTE: follow-on discussion suggests that this might plausibly be interpreted as both intended functionality and also […]

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Debian 10 — libxml-security-java — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — libxml-security-java — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-40690 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Debian 13 — jabberd2 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — jabberd2 — 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-2006-1329 CVE-2011-1755 CVE-2012-3525 CVE-2015-2058 CVE-2017-10807 CVE-2017-18226 Upstream summary: The SASL negotiation in Jabber Studio jabberd before 2.0s11 allows remote attackers to cause a denial of service ("c2s segfault") […]

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

Debian 13 — yard — 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-2017-17042 CVE-2019-1020001 CVE-2024-27285 CVE-2026-41493 Upstream summary: lib/yard/core_ext/file.rb in the server in YARD before 0.9.11 does not block relative paths with an initial ../ sequence, which allows attackers to […]

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Debian 9 — gdm3 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — gdm3 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-14424 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Debian 11 — python-ldap — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-ldap — multiple vulnerabilities (3 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-2021-46823 CVE-2025-61911 CVE-2025-61912 Upstream summary: python-ldap before 3.4.0 is vulnerable to a denial of service when ldap.schema is used for untrusted schema definitions, because of a regular expression […]

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

Debian 12 — pcp — 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-2012-3418 CVE-2012-3419 CVE-2012-3420 CVE-2012-3421 CVE-2012-5530 CVE-2023-6917 CVE-2024-3019 CVE-2024-45769  +1 more Upstream summary: libpcp in Performance Co-Pilot (PCP) before 3.6.5 allows remote attackers to cause a denial of service […]

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

Debian 13 — webpy — 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-2025-3818 Upstream summary: A vulnerability, which was classified as critical, was found in webpy web.py 0.70. Affected is the function PostgresDB._process_insert_query of the file web/db.py. The manipulation of the […]

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

Debian 12 — gegl — 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-2012-4433 CVE-2018-10111 CVE-2018-10112 CVE-2018-10113 CVE-2018-10114 CVE-2021-45463 CVE-2025-10921 CVE-2026-2049  +1 more Upstream summary: Multiple integer overflows in operations/external/ppm-load.c in GEGL (Generic Graphics Library) 0.2.0 allow remote attackers to cause […]

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