Medium severity · published Sep 23, 2026
CVE-2026-88835
Busybox: busybox: dpkg read_package_field() steps past nul terminator, causing out-of-bounds read on malformed .deb packages
6.1
CVSS
0.1%
EPSS
No
On KEV
Description
BusyBox dpkg read_package_field() steps past a NUL terminator on malformed .deb packages, causing an out-of-bounds heap read.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RH
Red Hat Hardened Images · Red Hat
All versions, or not specified · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-88835
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-88835
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
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