CVE-2026-88835

Summary

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

Affected Software

Weaknesses

• CWE-125: Out-of-bounds Read

Workarounds

Do not use the BusyBox dpkg applet to process untrusted .deb packages. Use the full dpkg implementation if Debian package handling is needed.

References

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

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