Medium severity6.5NVD Advisory· Published Feb 16, 2023· Updated Jun 17, 2026
CVE-2023-23936
CVE-2023-23936
Description
Undici is an HTTP/1.1 client for Node.js. Starting with version 2.0.0 and prior to version 5.19.1, the undici library does not protect host HTTP header from CRLF injection vulnerabilities. This issue is patched in Undici v5.19.1. As a workaround, sanitize the headers.host string before passing to undici.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
undicinpm | >= 2.0.0, < 5.19.1 | 5.19.1 |
Affected products
28- osv-coords24 versionspkg:bitnami/nodepkg:bitnami/node-minpkg:npm/undicipkg:rpm/almalinux/nodejspkg:rpm/almalinux/nodejs-develpkg:rpm/almalinux/nodejs-docspkg:rpm/almalinux/nodejs-full-i18npkg:rpm/almalinux/nodejs-libspkg:rpm/almalinux/nodejs-nodemonpkg:rpm/almalinux/nodejs-packagingpkg:rpm/almalinux/nodejs-packaging-bundlerpkg:rpm/almalinux/npmpkg:rpm/opensuse/nodejs16&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/nodejs18&distro=openSUSE%20Leap%2015.4pkg:rpm/suse/nodejs16&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/nodejs16&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-ESPOSpkg:rpm/suse/nodejs16&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/nodejs16&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Web%20and%20Scripting%2012pkg:rpm/suse/nodejs16&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Web%20and%20Scripting%2015%20SP4pkg:rpm/suse/nodejs16&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/nodejs16&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/nodejs16&distro=SUSE%20Manager%20Server%204.2pkg:rpm/suse/nodejs18&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Web%20and%20Scripting%2012pkg:rpm/suse/nodejs18&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Web%20and%20Scripting%2015%20SP4
>= 16.0.0, < 16.19.1+ 23 more
- (no CPE)range: >= 16.0.0, < 16.19.1
- (no CPE)range: >= 16.0.0, < 16.19.1
- (no CPE)range: >= 2.0.0, < 5.19.1
- (no CPE)range: < 1:16.19.1-1.module_el8.7.0+3496+a59a3324
- (no CPE)range: < 1:16.19.1-1.module_el8.7.0+3496+a59a3324
- (no CPE)range: < 1:16.19.1-1.module_el8.7.0+3496+a59a3324
- (no CPE)range: < 1:16.19.1-1.module_el8.7.0+3496+a59a3324
- (no CPE)range: < 1:16.19.1-1.el9_2
- (no CPE)range: < 2.0.20-3.module_el8.7.0+3496+a59a3324
- (no CPE)range: < 25-1.module_el8.5.0+2605+45d748af
- (no CPE)range: < 2021.06-4.module_el8.7.0+3343+ea2b7901
- (no CPE)range: < 1:8.19.3-1.16.19.1.1.module_el8.7.0+3496+a59a3324
- (no CPE)range: < 16.19.1-150400.3.15.1
- (no CPE)range: < 18.14.2-150400.9.6.2
- (no CPE)range: < 16.19.1-150300.7.18.1
- (no CPE)range: < 16.19.1-150300.7.18.1
- (no CPE)range: < 16.19.1-150300.7.18.1
- (no CPE)range: < 16.19.1-8.24.1
- (no CPE)range: < 16.19.1-150400.3.15.1
- (no CPE)range: < 16.19.1-150300.7.18.1
- (no CPE)range: < 16.19.1-150300.7.18.1
- (no CPE)range: < 16.19.1-150300.7.18.1
- (no CPE)range: < 18.14.2-8.6.2
- (no CPE)range: < 18.14.2-150400.9.6.2
Patches
Vulnerability mechanics
References
6- github.com/nodejs/undici/commit/a2eff05401358f6595138df963837c24348f2034nvdPatchWEB
- hackerone.com/reports/1820955nvdExploitThird Party AdvisoryWEB
- github.com/advisories/GHSA-5r9g-qh6m-jxffghsaADVISORY
- github.com/nodejs/undici/security/advisories/GHSA-5r9g-qh6m-jxffnvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2023-23936ghsaADVISORY
- github.com/nodejs/undici/releases/tag/v5.19.1nvdRelease NotesWEB
News mentions
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