Operations

Debian 10 — gzip — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — gzip — 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-2022-1271 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-urllib3 — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-urllib3 — 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-2013-2099 CVE-2018-20060 CVE-2018-25091 CVE-2019-11236 CVE-2019-11324 CVE-2020-26137 CVE-2020-7212 CVE-2021-28363  +9 more Upstream summary: Algorithmic complexity vulnerability in the ssl.match_hostname function in Python 3.2.x, 3.3.x, and earlier, and unspecified versions […]

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

Debian 11 — python-authlib — 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-2024-37568 CVE-2025-59420 CVE-2025-61920 CVE-2025-62706 CVE-2025-68158 CVE-2026-27962 CVE-2026-28490 CVE-2026-28498 Upstream summary: lepture Authlib before 1.3.1 has algorithm confusion with asymmetric public keys. Unless an algorithm is specified in a […]

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

Debian 11 — libjpeg-turbo — 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-2013-6629 CVE-2013-6630 CVE-2014-9092 CVE-2016-3616 CVE-2017-15232 CVE-2018-11212 CVE-2018-11213 CVE-2018-11214  +9 more Upstream summary: The get_sos function in jdmarker.c in (1) libjpeg 6b and (2) libjpeg-turbo through 1.3.0, as used […]

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Debian 11 — rust-rgb — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — rust-rgb — 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-2020-25016 Upstream summary: A safety violation was discovered in the rgb crate before 0.8.20 for Rust, leading to (for example) dereferencing of arbitrary pointers or disclosure of uninitialized […]

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Debian 12 — apng2gif — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — apng2gif — 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-2017-6960 CVE-2017-6961 CVE-2017-6962 Upstream summary: An issue was discovered in apng2gif 1.7. There is an integer overflow resulting in a heap-based buffer over-read, related to the load_apng function […]

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Debian 11 — rust-linked-hash-map — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — rust-linked-hash-map — 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-2020-25573 Upstream summary: An issue was discovered in the linked-hash-map crate before 0.5.3 for Rust. It creates an uninitialized NonNull pointer, which violates a non-null constraint. Table of […]

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

Debian 12 — libntlm — 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-2019-17455 Upstream summary: Libntlm through 1.5 relies on a fixed buffer size for tSmbNtlmAuthRequest, tSmbNtlmAuthChallenge, and tSmbNtlmAuthResponse read and write operations, as demonstrated by a stack-based buffer over-read […]

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Debian 13 — re2c — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — re2c — 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-2018-21232 CVE-2020-11958 CVE-2022-23901 CVE-2026-2903 Upstream summary: re2c before 2.0 has uncontrolled recursion that causes stack consumption in find_fixed_tags. Table of contents Symptom & Impact Environment & Reproduction Root […]

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

Debian 13 — xfig — 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-2009-1962 CVE-2009-4227 CVE-2009-4228 CVE-2010-4262 CVE-2021-40241 CVE-2023-45920 Upstream summary: Xfig, possibly 3.2.5, allows local users to read and write arbitrary files via a symlink attack on the (1) xfig-eps[PID], […]

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