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Debian 11 — node-bl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-bl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-8244 Upstream summary: A buffer over-read vulnerability exists in bl <4.0.3, <3.0.1, <2.2.1, and <1.2.3 which could allow an attacker to supply user input (even typed) that if […]

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

Debian 11 — mistune — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-15612 CVE-2017-16876 CVE-2022-34749 Upstream summary: mistune.py in Mistune 0.7.4 allows XSS via an unexpected newline (such as in java\nscript:) or a crafted email address, related to the escape […]

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Debian 11 — zipios++ — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — zipios++ — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-13453 Upstream summary: Zipios before 0.1.7 does not properly handle certain malformed zip archives and can go into an infinite loop, causing a denial of service. This is […]

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

Debian 11 — arj — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-0556 CVE-2015-0557 CVE-2015-2782 Upstream summary: Open-source ARJ archiver 3.10.22 allows remote attackers to conduct directory traversal attacks via a symlink attack in an ARJ archive. Table of contents […]

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

Debian 11 — libyaml — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-6393 CVE-2014-2525 CVE-2014-9130 Upstream summary: The yaml_parser_scan_tag_uri function in scanner.c in LibYAML before 0.1.5 performs an incorrect cast, which allows remote attackers to cause a denial of service […]

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Debian 11 — policykit-1 — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — policykit-1 — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 6 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-1658 CVE-2011-1485 CVE-2011-4945 CVE-2013-4288 CVE-2015-3218 CVE-2015-3255 CVE-2015-4625 CVE-2016-2568  +8 more Upstream summary: Format string vulnerability in the grant helper (polkit-grant-helper.c) in PolicyKit 0.7 and earlier allows attackers to […]

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Debian 11 — libtomcrypt — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libtomcrypt — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-6129 CVE-2018-0739 CVE-2018-12437 CVE-2019-17362 Upstream summary: The rsa_verify_hash_ex function in rsa_verify_hash.c in LibTomCrypt, as used in OP-TEE before 2.2.0, does not validate that the message length is equal […]

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Arch Linux — element-web — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — element-web — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202109-4 Related CVEs: CVE-2021-40823 Upstream summary: Type: information disclosure. Status: Fixed. Affected: 1.7.34-2. Fixed in: 1.8.4-1. Group: AVG-2377. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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Debian 11 — libxalan2-java — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libxalan2-java — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-0107 Upstream summary: The TransformerFactory in Apache Xalan-Java before 2.7.2 does not properly restrict access to certain properties when FEATURE_SECURE_PROCESSING is enabled, which allows remote attackers to bypass […]

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Debian 11 — libengine-gost-openssl1.1 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libengine-gost-openssl1.1 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-29242 Upstream summary: GOST engine is a reference implementation of the Russian GOST crypto algorithms for OpenSSL. TLS clients using GOST engine when ciphersuite `TLS_GOSTR341112_256_WITH_KUZNYECHIK_CTR_OMAC` is agreed and […]

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