Red Hat Security Advisory: nodejs22 security update

Fixed packages 11

Vulnerabilities 13

• High 7.7
  CVE-2026-48618

  A flaw in Node.js TLS hostname handling can cause Node.js unicode dot separator handling can lead to tls wildcard-depth…

  Node.js node nodejs nodejs Debian Ubuntu Azure Linux Alpine
  Jun 26, 2026
• High 7.5
  CVE-2026-12151

  undici WebSocket client vulnerable to denial of service via fragment count bypass

  Impact: The undici WebSocket client enforces maxPayloadSize on the cumulative byte count of fragments in a message but does not enforce a limit on the number of fragments. A malicious WebSocket server can stream many small or empty continuation frames that ea…

  undici undici renovate prism Debian Ubuntu Azure Linux Wolfi npm
  Jun 17, 2026
• High 7.5
  CVE-2026-48933

  A flaw in Node.js WebCrypto implementation can crash the process if the input of `subtle.encrypt()` is a multiple of 2G…

  Node.js node nodejs nodejs Debian Ubuntu Azure Linux Alpine
  Jun 26, 2026
• Medium 5.9
  CVE-2026-48615

  A flaw in Node.js proxy tunnel error handling could expose proxy credentials in `ERR_PROXY_TUNNEL` error messages. When…

  Node.js node nodejs nodejs Debian Ubuntu Azure Linux Alpine
  Jun 26, 2026
• Medium 5.6
  CVE-2026-48930

  A flaw in Node.js TLS hostname handling can cause Embedded-nul hostnames can lead to silent authority rebinding due to …

  Node.js node nodejs nodejs Debian Ubuntu Azure Linux Alpine
  Jun 26, 2026
• Medium 5.3
  CVE-2026-42338

  ip-address: XSS in Address6 HTML-emitting methods

  ip-address is a library for parsing and manipulating IPv4 and IPv6 addresses in JavaScript. Prior to 10.1.1, Address6.group() and Address6.link() do not HTML-escape attacker-controlled content before embedding it in the HTML strings they return, and AddressEr…

  beaugunderson ip-address langfuse-3-worker katib-suggestion-hyperopt Debian Ubuntu Wolfi npm
  May 12, 2026
• Medium 5.3
  CVE-2026-48619

  A flaw in Node.js HTTP/2 client allows a server to send an unlimited number of ORIGIN frames, which could lead to an Ou…

  Node.js node nodejs nodejs Debian Ubuntu Azure Linux Alpine
  Jun 26, 2026
• Medium 5.3
  CVE-2026-48937

  A flaw in Node.js HTTP/2 server API can cause servers to keep accepting data even after sending a `GOAWAY` frame. This …

  Node.js node nodejs nodejs Debian Ubuntu Azure Linux Alpine Wolfi
  Jun 18, 2026
• Medium 4.3
  CVE-2026-48934

  A flaw in Node.js TLS host verification can cause an attacker to bypass certification validation. This vulnerability af…

  Node.js node nodejs nodejs Debian Ubuntu Azure Linux Alpine
  Jun 26, 2026
• Medium 4.2
  CVE-2026-48928

  A inconsistency in Node.js hostname matching can cause a trust-policy bypass in multi-context mTLS setups. This vulnera…

  Node.js node nodejs nodejs Debian Ubuntu Azure Linux Alpine
  Jun 26, 2026
• Low 3.7
  CVE-2026-48931

  A flaw in Node.js HTTP Agent can cause a client to accept as valid a response that is send before the client has sent t…

  Node.js node nodejs nodejs Debian Ubuntu Azure Linux Alpine Wolfi
  Jun 22, 2026
• Low 3.3
  CVE-2026-48935

  A flaw in Node.js Permission API can cause a file metadata to be modified even on a path that was set as read-only with…

  Node.js node nodejs nodejs Debian Ubuntu Azure Linux Alpine
  Jun 26, 2026
• Low 1.8
  CVE-2026-48617

  A flaw in Node.js Permission Model enforcement allows Bypass via `process.report.writeReport()` Path Misvalidation. Thi…

  Node.js node nodejs nodejs Debian Ubuntu Azure Linux Alpine Wolfi
  Jun 18, 2026

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2476810
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2489980
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2493331
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2493335
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2493337
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_39246.json
• report
  https://access.redhat.com/security/cve/CVE-2026-12151
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-12151
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-12151
• article
  https://cna.openjsf.org/security-advisories.html
• article
  https://github.com/nodejs/undici/security/advisories/GHSA-vxpw-j846-p89q
• report
  https://access.redhat.com/security/cve/CVE-2026-42338
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-42338
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-42338
• article
  https://github.com/beaugunderson/ip-address/security/advisories/GHSA-v2v4-37r5-5v8g
• report
  https://access.redhat.com/security/cve/CVE-2026-48615
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-48615
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-48615
• article
  https://nodejs.org/en/blog/vulnerability/june-2026-security-releases
• report
  https://access.redhat.com/security/cve/CVE-2026-48617
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2490521
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-48617
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-48617
• article
  http://hackerone.com/reports/3692858
• report
  https://access.redhat.com/security/cve/CVE-2026-48618
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-48618
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-48618
• report
  https://access.redhat.com/security/cve/CVE-2026-48619
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2493325
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-48619
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-48619
• report
  https://access.redhat.com/security/cve/CVE-2026-48928
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2493333
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-48928
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-48928
• report
  https://access.redhat.com/security/cve/CVE-2026-48930
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2493326
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-48930