# CVE-2016-9840: Node.js 4 and 1 other: inftrees.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact by leveraging… CVE-2016-9840 is fixed in 7 products on 2 platforms, first by klibc-utils 2.0.13-4ubuntu1, released May 22, 2017. 1 other affected product has no fix yet. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2016-9840 - Priority: High - CVSS: 8.8 (Low) - EPSS: 0.0488 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: May 22, 2017 - Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2016-9840 ## Description inftrees.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact by leveraging improper pointer arithmetic. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Windows apps | Node.js 4 | 4.8.6 | [Node.js 4 4.8.6](https://patchblox.com/security/data/fix/windows-app/openjs.nodejs.4-4.8.6.md) | Nov 6, 2017 | | Linux | boost opensuse-leap 15.6 | 1.66.0-150200.12.7.1 | [SUSE-SU-2025:02536-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-02536-1.md) | Jul 31, 2025 | | Linux | boost sles 15.6 | 1.66.0-150200.12.7.1 | [SUSE-SU-2025:02536-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-02536-1.md) | Jul 31, 2025 | | Linux | boost sles 15.7 | 1.66.0-150200.12.7.1 | [SUSE-SU-2025:02536-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-02536-1.md) | Jul 31, 2025 | | Linux | boost-base opensuse-leap 15.6 | 1.66.0-150200.12.7.1 | [SUSE-SU-2025:02536-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-02536-1.md) | Jul 31, 2025 | | Linux | boost-base sles 15.6 | 1.66.0-150200.12.7.1 | [SUSE-SU-2025:02536-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-02536-1.md) | Jul 31, 2025 | | Linux | boost-base sles 15.7 | 1.66.0-150200.12.7.1 | [SUSE-SU-2025:02536-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-02536-1.md) | Jul 31, 2025 | | Linux | klibc-utils Ubuntu 18.04.6 LTS (bionic) | 2.0.4-9ubuntu2.2+esm1 | [klibc-utils 2.0.4-9ubuntu2.2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-klibc-utils-2.0.4-9ubuntu2.2-esm1.md) | Aug 5, 2022 | | Linux | klibc-utils Ubuntu 20.04 LTS (focal) | 2.0.7-1ubuntu5.2 | [klibc-utils 2.0.7-1ubuntu5.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-klibc-utils-2.0.7-1ubuntu5.2.md) | Aug 5, 2022 | | Linux | klibc-utils Ubuntu 22.04.1 LTS (jammy) | 2.0.10-4ubuntu0.1 | [klibc-utils 2.0.10-4ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-klibc-utils-2.0.10-4ubuntu0.1.md) | Aug 5, 2022 | | Linux | klibc-utils Ubuntu 24.04.5 LTS (noble) | 2.0.13-4ubuntu0.1 | [klibc-utils 2.0.13-4ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-klibc-utils-2.0.13-4ubuntu0.1.md) | Aug 5, 2022 | | Linux | klibc-utils Ubuntu 24.10 (oracular) | 2.0.13-4ubuntu1 | [klibc-utils 2.0.13-4ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-klibc-utils-2.0.13-4ubuntu1.md) | Jan 16, 2026 | | Linux | klibc-utils Ubuntu 25.04 (plucky) | 2.0.13-4ubuntu1 | [klibc-utils 2.0.13-4ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-klibc-utils-2.0.13-4ubuntu1.md) | Jan 16, 2026 | | Linux | klibc-utils Ubuntu 25.10 (questing) | 2.0.13-4ubuntu1 | [klibc-utils 2.0.13-4ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-klibc-utils-2.0.13-4ubuntu1.md) | May 22, 2017 | | Linux | libklibc Ubuntu 18.04.6 LTS (bionic) | 2.0.4-9ubuntu2.2+esm1 | [libklibc 2.0.4-9ubuntu2.2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libklibc-2.0.4-9ubuntu2.2-esm1.md) | Aug 5, 2022 | | Linux | libklibc Ubuntu 20.04 LTS (focal) | 2.0.7-1ubuntu5.2 | [libklibc 2.0.7-1ubuntu5.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libklibc-2.0.7-1ubuntu5.2.md) | Aug 5, 2022 | | Linux | libklibc Ubuntu 22.04.1 LTS (jammy) | 2.0.10-4ubuntu0.1 | [libklibc 2.0.10-4ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libklibc-2.0.10-4ubuntu0.1.md) | Aug 5, 2022 | | Linux | libklibc Ubuntu 24.04.5 LTS (noble) | 2.0.13-4ubuntu0.1 | [libklibc 2.0.13-4ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libklibc-2.0.13-4ubuntu0.1.md) | Aug 5, 2022 | | Linux | libklibc Ubuntu 24.10 (oracular) | 2.0.13-4ubuntu1 | [libklibc 2.0.13-4ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libklibc-2.0.13-4ubuntu1.md) | Jan 16, 2026 | | Linux | libklibc Ubuntu 25.04 (plucky) | 2.0.13-4ubuntu1 | [libklibc 2.0.13-4ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libklibc-2.0.13-4ubuntu1.md) | Jan 16, 2026 | | Linux | libklibc Ubuntu 25.10 (questing) | 2.0.13-4ubuntu1 | [libklibc 2.0.13-4ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libklibc-2.0.13-4ubuntu1.md) | May 22, 2017 | | Linux | rsync RHEL 8 | 0:3.1.3-23.el8_10 | [RHSA-2025:8395](https://patchblox.com/security/data/fix/linux/rhsa-2025-8395.md) | Jun 2, 2025 | | Linux | rsync Ubuntu 18.04.6 LTS (bionic) | 3.1.2-2.1ubuntu1.1 | [rsync 3.1.2-2.1ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-rsync-3.1.2-2.1ubuntu1.1.md) | May 22, 2017 | | Linux | rsync Ubuntu 20.04 LTS (focal) | 3.1.3-6 | [rsync 3.1.3-6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-rsync-3.1.3-6.md) | May 22, 2017 | | Linux | rsync Ubuntu 24.10 (oracular) | 3.1.3-6 | [rsync 3.1.3-6](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-rsync-3.1.3-6.md) | Jan 16, 2026 | | Linux | rsync Ubuntu 25.04 (plucky) | 3.1.3-6 | [rsync 3.1.3-6](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-rsync-3.1.3-6.md) | Jan 16, 2026 | | Linux | rsync almalinux 8 | 3.1.3-23.el8_10 | [ALSA-2025:8395](https://patchblox.com/security/data/fix/linux/alsa-2025-8395.md) | Jun 2, 2025 | | Linux | rsync ol 8 | 0:3.1.3-23.el8_10 | [ELSA-2025-8395](https://patchblox.com/security/data/fix/linux/elsa-2025-8395.md) | Jun 2, 2025 | | Linux | rsync rocky 8 | 0:3.1.3-23.el8_10 | [RLSA-2025:8395](https://patchblox.com/security/data/fix/linux/rlsa-2025-8395.md) | Jul 29, 2025 | | Linux | rsync-daemon RHEL 8 | 0:3.1.3-23.el8_10 | [RHSA-2025:8395](https://patchblox.com/security/data/fix/linux/rhsa-2025-8395.md) | Jun 2, 2025 | | Linux | rsync-daemon almalinux 8 | 3.1.3-23.el8_10 | [ALSA-2025:8395](https://patchblox.com/security/data/fix/linux/alsa-2025-8395.md) | Jun 2, 2025 | | Linux | rsync-daemon ol 8 | 0:3.1.3-23.el8_10 | [ELSA-2025-8395](https://patchblox.com/security/data/fix/linux/elsa-2025-8395.md) | Jun 2, 2025 | ## No fix yet | Platform | Product | Status | |---|---|---| | Windows apps | Node.js 7 | no-fix | --- Data as of 2026-11-07T18:46:35Z UTC. 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