Security Hardening

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

Debian 12 — realmd — 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-2015-2704 Upstream summary: realmd allows remote attackers to inject arbitrary configurations in to sssd.conf and smb.conf via a newline character in an LDAP response. Table of contents Symptom […]

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Debian 12 — batik — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — batik — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-0508 CVE-2015-0250 CVE-2017-5662 CVE-2018-8013 CVE-2019-17566 CVE-2020-11987 CVE-2022-38398 CVE-2022-38648  +5 more Upstream summary: Unknown vulnerability in Squiggle for Batik before 1.5.1 allows attackers to bypass certain access controls via […]

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

Debian 11 — gnustep-base — 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-2010-1457 CVE-2010-1620 CVE-2014-2980 Upstream summary: Tools/gdomap.c in gdomap in GNUstep Base before 1.20.0 allows local users to read arbitrary files via a (1) -c or (2) -a option, […]

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

Debian 11 — lxsession — 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-2010-2532 Upstream summary: lxsession-logout in lxsession in LXDE, as used on SUSE openSUSE 11.3 and other platforms, does not lock the screen when the Suspend or Hibernate button […]

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

Debian 11 — libxcb — 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-2013-2064 Upstream summary: Integer overflow in X.org libxcb 1.9 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to […]

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Debian 12 — python-git — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — python-git — multiple vulnerabilities (7 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-2022-24439 CVE-2023-40267 CVE-2023-41040 CVE-2026-42215 CVE-2026-42284 CVE-2026-44243 CVE-2026-44244 Upstream summary: All versions of package gitpython are vulnerable to Remote Code Execution (RCE) due to improper user input validation, which […]

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

Debian 11 — libsmi — 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-2010-2891 Upstream summary: Buffer overflow in the smiGetNode function in lib/smi.c in libsmi 0.4.8 allows context-dependent attackers to execute arbitrary code via an Object Identifier (aka OID) represented […]

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Debian 12 — libhibernate-validator4-java — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libhibernate-validator4-java — 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-2025-35036 Upstream summary: Hibernate Validator before 6.2.0 and 7.0.0, by default and depending how it is used, may interpolate user-supplied input in a constraint violation message with Expression […]

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Debian 13 — exuberant-ctags — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — exuberant-ctags — multiple vulnerabilities (2 CVEs) — 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-2014-7204 CVE-2022-4515 Upstream summary: jscript.c in Exuberant Ctags 5.8 allows remote attackers to cause a denial of service (infinite loop and CPU and disk consumption) via a crafted […]

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Debian 12 — libclamunrar — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libclamunrar — multiple vulnerabilities (4 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-2012-6706 CVE-2019-1785 CVE-2019-1798 CVE-2023-40477 Upstream summary: A VMSF_DELTA memory corruption was discovered in unrar before 5.5.5, as used in Sophos Anti-Virus Threat Detection Engine before 3.37.2 and other […]

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