Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Fixed packages 6

Vulnerabilities 3

• High 7.5
  CVE-2026-94440

  Memory limit bypass when parsing MIME headers in net/textproto, mime/multipart

  Parsing a multipart form can bypass memory limits and read an arbitrarily long line into memory when the remaining limit at the start of a part is less than 400 bytes.

  Go standard library net/textproto mime/multipart golang Debian Ubuntu Azure Linux Alpine Wolfi Go
  Oct 8, 2026
• Medium 6.8
  CVE-2026-111943 Public exploit

  Distrust compromised intermediate certificates in crypto/x509

  On most platforms, Go uses the given system root certificates. However, in some narrower cases, the system trust stores may not be updated without further action. To defend against the narrower set of cases that may remain affected, a denylist was added in cr…

  Go standard library crypto/x509 golang go Debian Ubuntu Azure Linux Alpine Wolfi Go crates.io
  Oct 21, 2026
• Medium 6.1
  CVE-2026-97030

  Recognize yield as regexp preceder keyword in html/template

  A trusted template author may have previously written a valid template wherein the use of the 'yield' keyword would not be correctly escaped. We now ensure that valid keyword uses are escaped and non-keyword uses are not escaped.

  Go standard library html/template golang go Debian Ubuntu Azure Linux Alpine Wolfi Go
  Oct 8, 2026

References

• article
  https://images.redhat.com/
• report
  https://access.redhat.com/security/cve/CVE-2026-111943
• article
  https://access.redhat.com/security/updates/classification/
• report
  https://access.redhat.com/security/cve/CVE-2026-97030
• report
  https://access.redhat.com/security/cve/CVE-2026-94440
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_85899.json
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2548341
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-94440
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-94440
• article
  https://go.dev/cl/847307
• article
  https://go.dev/issue/81741
• article
  https://groups.google.com/g/golang-announce/c/U2fTuyDJznI
• advisory
  https://pkg.go.dev/vuln/GO-2026-6608
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2548338
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-97030
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-97030
• article
  https://go.dev/cl/840925
• article
  https://go.dev/issue/81823
• advisory
  https://pkg.go.dev/vuln/GO-2026-6600
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2556068
• article
  https://access.redhat.com/security/vulnerabilities/RHSB-2026-012
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-111943
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-111943
• article
  https://github.com/golang/go/issues/82345
• article
  https://groups.google.com/g/golang-nuts/c/K22sG2AYnKU
• advisory
  https://pkg.go.dev/vuln/GO-2026-6809