Medium severity5.3NVD Advisory· Published Jul 12, 2021· Updated Jun 17, 2026
CVE-2021-22918
CVE-2021-22918
Description
Node.js before 16.4.1, 14.17.2, 12.22.2 is vulnerable to an out-of-bounds read when uv__idna_toascii() is used to convert strings to ASCII. The pointer p is read and increased without checking whether it is beyond pe, with the latter holding a pointer to the end of the buffer. This can lead to information disclosures or crashes. This function can be triggered via uv_getaddrinfo().
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
40- cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:*Range: <1.0.1.1
- osv-coords36 versionspkg:bitnami/nodepkg:bitnami/node-minpkg:rpm/almalinux/libuvpkg:rpm/almalinux/libuv-develpkg:rpm/almalinux/nodejs-nodemonpkg:rpm/almalinux/nodejs-packagingpkg:rpm/opensuse/libuv&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/nodejs10&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/nodejs10&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/nodejs12&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/nodejs12&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/nodejs14&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/nodejs14&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/nodejs14&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/nodejs16&distro=openSUSE%20Tumbleweedpkg:rpm/suse/nodejs10&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/nodejs10&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/nodejs10&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/nodejs10&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/nodejs10&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/nodejs10&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Web%20and%20Scripting%2012pkg:rpm/suse/nodejs10&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Web%20and%20Scripting%2015%20SP2pkg:rpm/suse/nodejs10&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/nodejs10&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/nodejs10&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/nodejs10&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/nodejs10&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/nodejs10&distro=SUSE%20Manager%20Proxy%204.0pkg:rpm/suse/nodejs10&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.0pkg:rpm/suse/nodejs10&distro=SUSE%20Manager%20Server%204.0pkg:rpm/suse/nodejs12&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Web%20and%20Scripting%2012pkg:rpm/suse/nodejs12&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Web%20and%20Scripting%2015%20SP2pkg:rpm/suse/nodejs12&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Web%20and%20Scripting%2015%20SP3pkg:rpm/suse/nodejs14&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Web%20and%20Scripting%2012pkg:rpm/suse/nodejs14&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Web%20and%20Scripting%2015%20SP2pkg:rpm/suse/nodejs14&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Web%20and%20Scripting%2015%20SP3
>= 12.0.0, < 12.22.2+ 35 more
- (no CPE)range: >= 12.0.0, < 12.22.2
- (no CPE)range: >= 12.0.0, < 12.22.2
- (no CPE)range: < 1:1.41.1-1.el8_4
- (no CPE)range: < 1:1.41.1-1.el8_4
- (no CPE)range: < 2.0.3-1.module_el8.4.0+2521+c668cc9f
- (no CPE)range: < 17-3.module_el8.4.0+2224+b07ac28e
- (no CPE)range: < 1.42.0-1.2
- (no CPE)range: < 10.24.1-lp152.2.15.1
- (no CPE)range: < 10.24.1-1.36.1
- (no CPE)range: < 12.22.2-lp152.3.15.1
- (no CPE)range: < 12.22.2-4.16.1
- (no CPE)range: < 14.17.2-lp152.11.1
- (no CPE)range: < 14.17.2-5.12.1
- (no CPE)range: < 14.17.5-1.2
- (no CPE)range: < 16.6.2-2.2
- (no CPE)range: < 10.24.1-1.36.1
- (no CPE)range: < 10.24.1-1.36.1
- (no CPE)range: < 10.24.1-1.36.1
- (no CPE)range: < 10.24.1-1.36.1
- (no CPE)range: < 10.24.1-1.36.1
- (no CPE)range: < 10.24.1-1.39.1
- (no CPE)range: < 10.24.1-1.36.1
- (no CPE)range: < 10.24.1-1.36.1
- (no CPE)range: < 10.24.1-1.36.1
- (no CPE)range: < 10.24.1-1.36.1
- (no CPE)range: < 10.24.1-1.36.1
- (no CPE)range: < 10.24.1-1.36.1
- (no CPE)range: < 10.24.1-1.36.1
- (no CPE)range: < 10.24.1-1.36.1
- (no CPE)range: < 10.24.1-1.36.1
- (no CPE)range: < 12.22.2-1.32.1
- (no CPE)range: < 12.22.2-4.16.1
- (no CPE)range: < 12.22.2-4.16.1
- (no CPE)range: < 14.17.2-6.12.1
- (no CPE)range: < 14.17.2-5.12.1
- (no CPE)range: < 14.17.2-5.12.1
Patches
Vulnerability mechanics
References
5- cert-portal.siemens.com/productcert/pdf/ssa-389290.pdfnvdPatchThird Party Advisory
- nodejs.org/en/blog/vulnerability/july-2021-security-releases/nvdPatchVendor Advisory
- hackerone.com/reports/1209681nvdExploitThird Party Advisory
- security.netapp.com/advisory/ntap-20210805-0003/nvdThird Party Advisory
- security.gentoo.org/glsa/202401-23nvd
News mentions
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