Debian 11

Debian 11 — lemonldap-ng — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — lemonldap-ng — multiple vulnerabilities (19 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-2012-6426 CVE-2019-12046 CVE-2019-13031 CVE-2019-15941 CVE-2019-19791 CVE-2020-16093 CVE-2020-24660 CVE-2021-35472  +11 more Upstream summary: LemonLDAP::NG before 1.2.3 does not use the signature-verification capability of the Lasso library, which allows remote […]

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Debian 11 — pngcrush — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — pngcrush — 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-2015-7700 Upstream summary: Double-free vulnerability in the sPLT chunk structure and png.c in pngcrush before 1.7.87 allows attackers to have unspecified impact via unknown vectors. Table of contents […]

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Debian 11 — openipmi — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — openipmi — 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-2024-42934 Upstream summary: OpenIPMI before 2.0.36 has an out-of-bounds array access (for authentication type) in the ipmi_sim simulator, resulting in denial of service or (with very low probability) […]

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Debian 11 — awl — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — awl — 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-2020-11728 CVE-2020-11729 Upstream summary: An issue was discovered in DAViCal Andrew's Web Libraries (AWL) through 0.60. Session management does not use a sufficiently hard-to-guess session key. Anyone who […]

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

Debian 11 — atheme-services — multiple vulnerabilities (4 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-2014-9773 CVE-2016-4478 CVE-2017-6384 CVE-2022-24976 Upstream summary: modules/chanserv/flags.c in Atheme before 7.2.7 allows remote attackers to modify the Anope FLAGS behavior by registering and dropping the (1) LIST, (2) […]

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Debian 11 — firejail — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — firejail — multiple vulnerabilities (18 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-2016-10117 CVE-2016-10118 CVE-2016-10119 CVE-2016-10120 CVE-2016-10121 CVE-2016-10122 CVE-2016-10123 CVE-2016-9016  +10 more Upstream summary: Firejail does not restrict access to –tmpfs, which allows local users to gain privileges, as demonstrated […]

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Debian 11 — snapd — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — snapd — multiple vulnerabilities (18 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-2017-14178 CVE-2019-11502 CVE-2019-11503 CVE-2019-7303 CVE-2019-7304 CVE-2020-11934 CVE-2020-27352 CVE-2021-3155  +10 more Upstream summary: In snapd 2.27 through 2.29.2 the 'snap logs' command could be made to call journalctl without […]

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

Debian 11 — acpica-unix — multiple vulnerabilities (4 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-2017-13693 CVE-2017-13694 CVE-2017-13695 CVE-2024-24856 Upstream summary: The acpi_ds_create_operands() function in drivers/acpi/acpica/dsutils.c in the Linux kernel through 4.12.9 does not flush the operand cache and causes a kernel stack […]

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Debian 11 — python-py — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-py — 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-2020-29651 CVE-2022-42969 Upstream summary: A denial of service via regular expression in the py.path.svnwc component of py (aka python-py) through 1.9.0 could be used by attackers to cause […]

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