CVE-2026-21637

Name
CVE-2026-21637
Description
A flaw in Node.js TLS error handling allows remote attackers to crash or exhaust resources of a TLS server when `pskCallback` or `ALPNCallback` are in use. Synchronous exceptions thrown during these callbacks bypass standard TLS error handling paths (tlsClientError and error), causing either immediate process termination or silent file descriptor leaks that eventually lead to denial of service. Because these callbacks process attacker-controlled input during the TLS handshake, a remote client can repeatedly trigger the issue. This vulnerability affects TLS servers using PSK or ALPN callbacks across Node.js versions where these callbacks throw without being safely wrapped.
NVD Severity
unknown
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
https://nodejs.org/en/blog/vulnerability/december-2025-security-releases

Match rules

CPE URI Source package Min version Max version
node >= 0 <= 20.19.6
node >= 0 <= 22.21.1
node >= 0 <= 24.12.0
node >= 0 <= 25.2.1
node >= 4.0 < 4.*
node >= 5.0 < 5.*
node >= 6.0 < 6.*
node >= 7.0 < 7.*
node >= 8.0 < 8.*
node >= 9.0 < 9.*
node >= 10.0 < 10.*
node >= 11.0 < 11.*
node >= 12.0 < 12.*
node >= 13.0 < 13.*
node >= 14.0 < 14.*
node >= 15.0 < 15.*
node >= 16.0 < 16.*
node >= 17.0 < 17.*
node >= 18.0 < 18.*
cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* nodejs >= 4.0.0 < 20.20.0
cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* nodejs >= 22.0.0 < 22.22.0
cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* nodejs >= 24.0.0 < 24.13.0
cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* nodejs >= 25.0.0 < 25.3.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
nodejs edge-main 24.13.0-r0 Jakub Jirutka <jakub@jirutka.cz> fixed
nodejs edge-main 24.11.1-r2 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 24.11.1-r1 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 24.11.1-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 22.21.0-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 22.19.0-r4 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 22.19.0-r3 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 22.16.0-r3 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 22.16.0-r2 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 22.16.0-r1 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 22.16.0-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 22.13.1-r5 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 22.13.1-r4 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 22.13.1-r3 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 22.13.1-r2 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 22.13.1-r1 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 22.13.1-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 22.11.0-r2 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 22.11.0-r1 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 22.11.0-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 20.15.1-r1 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 20.15.1-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 20.13.1-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 20.12.2-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 20.12.1-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 20.12.0-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 20.11.1-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 20.11.0-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 20.10.0-r1 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 20.10.0-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 20.9.0-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 18.18.2-r1 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 18.18.2-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 18.18.1-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 18.18.0-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 18.17.1-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 18.17.0-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 18.16.1-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 18.16.0-r1 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 18.16.0-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 18.15.0-r1 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 18.15.0-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 18.14.2-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 18.14.1-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 18.14.0-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 18.13.0-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 18.12.1-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 16.18.0-r1 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 16.18.0-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 16.17.1-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 16.17.0-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 16.16.0-r1 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 16.16.0-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 16.13.2-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 14.18.1-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 14.17.6-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 14.17.5-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 14.17.4-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs edge-main 14.16.1-r0 None possibly vulnerable
nodejs edge-main 14.16.0-r0 None possibly vulnerable
nodejs edge-main 14.15.5-r0 None possibly vulnerable
nodejs edge-main 14.15.4-r0 None possibly vulnerable
nodejs edge-main 14.15.1-r0 None possibly vulnerable
nodejs edge-main 12.18.4-r0 None possibly vulnerable
nodejs edge-main 12.18.0-r0 None possibly vulnerable
nodejs edge-main 12.15.0-r0 None possibly vulnerable
nodejs edge-main 10.16.3-r0 None possibly vulnerable
nodejs edge-main 10.15.3-r0 None possibly vulnerable
nodejs edge-main 10.14.0-r0 None possibly vulnerable
nodejs edge-main 8.11.4-r0 None possibly vulnerable
nodejs edge-main 8.11.3-r0 None possibly vulnerable
nodejs edge-main 8.11.0-r0 None possibly vulnerable
nodejs edge-main 8.9.3-r0 None possibly vulnerable
nodejs edge-main 6.11.5-r0 None possibly vulnerable
nodejs edge-main 6.11.1-r0 None possibly vulnerable
nodejs 3.23-main 24.13.0-r0 Jakub Jirutka <jakub@jirutka.cz> fixed
nodejs 3.23-main 24.11.1-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs 3.22-main 22.22.0-r0 Jakub Jirutka <jakub@jirutka.cz> fixed
nodejs 3.22-main 22.16.0-r2 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs 3.22-main 22.13.1-r0 None possibly vulnerable
nodejs 3.22-main 20.15.1-r0 None possibly vulnerable
nodejs 3.22-main 20.12.1-r0 None possibly vulnerable
nodejs 3.22-main 18.18.2-r0 None possibly vulnerable
nodejs 3.22-main 18.17.1-r0 None possibly vulnerable
nodejs 3.22-main 18.14.1-r0 None possibly vulnerable
nodejs 3.22-main 18.12.1-r0 None possibly vulnerable
nodejs 3.22-main 16.17.1-r0 None possibly vulnerable
nodejs 3.22-main 16.13.2-r0 None possibly vulnerable
nodejs 3.22-main 14.18.1-r0 None possibly vulnerable
nodejs 3.22-main 14.17.6-r0 None possibly vulnerable
nodejs 3.22-main 14.17.5-r0 None possibly vulnerable
nodejs 3.22-main 14.17.4-r0 None possibly vulnerable
nodejs 3.22-main 14.16.1-r0 None possibly vulnerable
nodejs 3.22-main 14.16.0-r0 None possibly vulnerable
nodejs 3.22-main 14.15.5-r0 None possibly vulnerable
nodejs 3.22-main 14.15.4-r0 None possibly vulnerable
nodejs 3.22-main 14.15.1-r0 None possibly vulnerable
nodejs 3.22-main 12.18.4-r0 None possibly vulnerable
nodejs 3.22-main 12.18.0-r0 None possibly vulnerable
nodejs 3.22-main 12.15.0-r0 None possibly vulnerable
nodejs 3.22-main 10.16.3-r0 None possibly vulnerable
nodejs 3.22-main 10.15.3-r0 None possibly vulnerable
nodejs 3.22-main 10.14.0-r0 None possibly vulnerable
nodejs 3.22-main 8.11.4-r0 None possibly vulnerable
nodejs 3.22-main 8.11.3-r0 None possibly vulnerable
nodejs 3.22-main 8.11.0-r0 None possibly vulnerable
nodejs 3.22-main 8.9.3-r0 None possibly vulnerable
nodejs 3.22-main 6.11.5-r0 None possibly vulnerable
nodejs 3.22-main 6.11.1-r0 None possibly vulnerable
nodejs 3.21-main 22.15.1-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs 3.21-main 22.13.1-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs 3.21-main 22.11.0-r1 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs 3.21-main 22.11.0-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs 3.21-main 20.15.1-r0 None possibly vulnerable
nodejs 3.21-main 20.12.1-r0 None possibly vulnerable
nodejs 3.21-main 18.18.2-r0 None possibly vulnerable
nodejs 3.21-main 18.17.1-r0 None possibly vulnerable
nodejs 3.21-main 18.14.1-r0 None possibly vulnerable
nodejs 3.21-main 18.12.1-r0 None possibly vulnerable
nodejs 3.21-main 16.17.1-r0 None possibly vulnerable
nodejs 3.21-main 16.13.2-r0 None possibly vulnerable
nodejs 3.21-main 14.18.1-r0 None possibly vulnerable
nodejs 3.21-main 14.17.6-r0 None possibly vulnerable
nodejs 3.21-main 14.17.5-r0 None possibly vulnerable
nodejs 3.21-main 14.17.4-r0 None possibly vulnerable
nodejs 3.21-main 14.16.1-r0 None possibly vulnerable
nodejs 3.21-main 14.16.0-r0 None possibly vulnerable
nodejs 3.21-main 14.15.5-r0 None possibly vulnerable
nodejs 3.21-main 14.15.4-r0 None possibly vulnerable
nodejs 3.21-main 14.15.1-r0 None possibly vulnerable
nodejs 3.21-main 12.18.4-r0 None possibly vulnerable
nodejs 3.21-main 12.18.0-r0 None possibly vulnerable
nodejs 3.21-main 12.15.0-r0 None possibly vulnerable
nodejs 3.21-main 10.16.3-r0 None possibly vulnerable
nodejs 3.21-main 10.15.3-r0 None possibly vulnerable
nodejs 3.21-main 10.14.0-r0 None possibly vulnerable
nodejs 3.21-main 8.11.4-r0 None possibly vulnerable
nodejs 3.21-main 8.11.3-r0 None possibly vulnerable
nodejs 3.21-main 8.11.0-r0 None possibly vulnerable
nodejs 3.21-main 8.9.3-r0 None possibly vulnerable
nodejs 3.21-main 6.11.5-r0 None possibly vulnerable
nodejs 3.21-main 6.11.1-r0 None possibly vulnerable
nodejs 3.20-main 20.15.1-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs 3.20-main 20.13.1-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs 3.20-main 20.12.1-r0 None possibly vulnerable
nodejs 3.20-main 18.18.2-r0 None possibly vulnerable
nodejs 3.20-main 18.17.1-r0 None possibly vulnerable
nodejs 3.20-main 18.14.1-r0 None possibly vulnerable
nodejs 3.20-main 18.12.1-r0 None possibly vulnerable
nodejs 3.20-main 16.17.1-r0 None possibly vulnerable
nodejs 3.20-main 16.13.2-r0 None possibly vulnerable
nodejs 3.20-main 14.18.1-r0 None possibly vulnerable
nodejs 3.20-main 14.17.6-r0 None possibly vulnerable
nodejs 3.20-main 14.17.5-r0 None possibly vulnerable
nodejs 3.20-main 14.17.4-r0 None possibly vulnerable
nodejs 3.20-main 14.16.1-r0 None possibly vulnerable
nodejs 3.20-main 14.16.0-r0 None possibly vulnerable
nodejs 3.20-main 14.15.5-r0 None possibly vulnerable
nodejs 3.20-main 14.15.4-r0 None possibly vulnerable
nodejs 3.20-main 14.15.1-r0 None possibly vulnerable
nodejs 3.20-main 12.18.4-r0 None possibly vulnerable
nodejs 3.20-main 12.18.0-r0 None possibly vulnerable
nodejs 3.20-main 12.15.0-r0 None possibly vulnerable
nodejs 3.20-main 10.16.3-r0 None possibly vulnerable
nodejs 3.20-main 10.15.3-r0 None possibly vulnerable
nodejs 3.20-main 10.14.0-r0 None possibly vulnerable
nodejs 3.20-main 8.11.4-r0 None possibly vulnerable
nodejs 3.20-main 8.11.3-r0 None possibly vulnerable
nodejs 3.20-main 8.11.0-r0 None possibly vulnerable
nodejs 3.20-main 8.9.3-r0 None possibly vulnerable
nodejs 3.20-main 6.11.5-r0 None possibly vulnerable
nodejs 3.20-main 6.11.1-r0 None possibly vulnerable
nodejs 3.19-main 20.15.1-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs 3.19-main 20.12.1-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs 3.19-main 20.11.1-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs 3.19-main 20.11.0-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs 3.19-main 20.10.0-r1 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs 3.19-main 20.10.0-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
nodejs 3.19-main 18.18.2-r0 None possibly vulnerable
nodejs 3.19-main 18.17.1-r0 None possibly vulnerable
nodejs 3.19-main 18.14.1-r0 None possibly vulnerable
nodejs 3.19-main 18.12.1-r0 None possibly vulnerable
nodejs 3.19-main 16.17.1-r0 None possibly vulnerable
nodejs 3.19-main 16.13.2-r0 None possibly vulnerable
nodejs 3.19-main 14.18.1-r0 None possibly vulnerable
nodejs 3.19-main 14.17.6-r0 None possibly vulnerable
nodejs 3.19-main 14.17.5-r0 None possibly vulnerable
nodejs 3.19-main 14.17.4-r0 None possibly vulnerable
nodejs 3.19-main 14.16.1-r0 None possibly vulnerable
nodejs 3.19-main 14.16.0-r0 None possibly vulnerable
nodejs 3.19-main 14.15.5-r0 None possibly vulnerable
nodejs 3.19-main 14.15.4-r0 None possibly vulnerable
nodejs 3.19-main 14.15.1-r0 None possibly vulnerable
nodejs 3.19-main 12.18.4-r0 None possibly vulnerable
nodejs 3.19-main 12.18.0-r0 None possibly vulnerable
nodejs 3.19-main 12.15.0-r0 None possibly vulnerable
nodejs 3.19-main 10.16.3-r0 None possibly vulnerable
nodejs 3.19-main 10.15.3-r0 None possibly vulnerable
nodejs 3.19-main 10.14.0-r0 None possibly vulnerable
nodejs 3.19-main 8.11.4-r0 None possibly vulnerable
nodejs 3.19-main 8.11.3-r0 None possibly vulnerable
nodejs 3.19-main 8.11.0-r0 None possibly vulnerable
nodejs 3.19-main 8.9.3-r0 None possibly vulnerable
nodejs 3.19-main 6.11.5-r0 None possibly vulnerable
nodejs 3.19-main 6.11.1-r0 None possibly vulnerable