Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

Fixed packages 3

Vulnerabilities 2

• Medium 6.5
  CVE-2026-88833

  Busybox: busybox: udhcpc integer underflow in dhcp packet length calculation causes denial of service

  A flaw was found in BusyBox's udhcpc DHCP client. When processing raw DHCP packets, the client replaces the validated packet length with an attacker-controlled value from the IP header without re-validating the minimum size. This leads to an integer underflow…

  Red Hat Red Hat Enterprise Linux 6 Red Hat Hardened Images busybox Linux Debian Ubuntu Azure Linux
  Oct 13, 2026
• Medium 5.5
  CVE-2026-124742

  Busybox: divide-by-zero in the volume_id fat prober via a zero sectors_per_cluster value

  A flaw was found in BusyBox. The volume identification component fails to properly validate cluster parameters when analyzing specially formatted FAT filesystems. An attacker able to present a crafted storage device or disk image can trigger a divide-by-zero …

  Red Hat Red Hat Enterprise Linux 6 Red Hat Hardened Images busybox Linux Debian Ubuntu
  Nov 11, 2026

References

• article
  https://images.redhat.com/
• report
  https://access.redhat.com/security/cve/CVE-2026-124742
• report
  https://access.redhat.com/security/cve/CVE-2026-88833
• article
  https://access.redhat.com/security/updates/classification/
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_99577.json
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2531347
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-88833
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-88833
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2571620
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-124742
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-124742
• article
  https://github.com/vda-linux/busybox_mirror/commit/b7c89c4