What’s Vulnerable › Vulnerabilities

CVE-2026-88842: Busybox: busybox: dpkg stale field_start pointer causes out-of-bounds read and status file corruption

• Severity: low (CVSS 3.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-14 · updated 2026-10-15
• Weakness: CWE-125

Description

A flaw was found in BusyBox dpkg. The write_status_file() function does not reset a field cursor between package stanzas. When two packages are removed in a single invocation and the first stanza is larger than the second, the second package stanza can be dropped from the status file, causing limited data corruption.

Affected products

• Red Hat Hardened Images: all versions — fixed in 1.37.0-9.4.hum1

How to fix

Upgrade to a fixed version: Red Hat Hardened Images 1.37.0-9.4.hum1. Check the vendor advisory for mitigations.

References

• https://access.redhat.com/errata/RHSA-2026:81391
• https://access.redhat.com/security/cve/CVE-2026-88842
• https://bugzilla.redhat.com/show_bug.cgi?id=2531355

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