CVE-2026-88835

MEDIUM 6.1

Busybox: busybox: dpkg read_package_field() steps past nul terminator, causing out-of-bounds read on malformed .deb packages

CVSS Score

6.1

EPSS Score

0.1%

EPSS Percentile

1th

BusyBox dpkg read_package_field() steps past a NUL terminator on malformed .deb packages, causing an out-of-bounds heap read.

CWE	CWE-125
Vendor	red hat
Product	red hat hardened images
Published	Sep 23, 2026
Last Updated	Sep 25, 2026

Stay Ahead of the Next One

Get instant alerts for red hat red hat hardened images

Be the first to know when new medium vulnerabilities affecting red hat red hat hardened images are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Affected Versions

Red Hat / Red Hat Hardened Images

All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗

access.redhat.com: https://access.redhat.com/errata/RHSA-2026:72111 access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-88835 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2531349

Credits

Red Hat would like to thank Shubham Raj (Causal Security) for reporting this issue.