Advisory severityMedium6.1Red Hat Linux

Medium [CVE-2026-88835] dpkg read_package_field steps past NUL terminator, causing out-of-bounds read on malformed.deb packages

This medium-severity Red Hat Linux advisory covers CVE-2026-88835; related products: Red Hat Hardened Images.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-88835 Source published Sep 23, 2026Source updated Sep 23, 2026

VulniPulse record published Sep 23, 2026Record updated Sep 28, 2026

CVE-2026-88835

Monitor future Red Hat Linux CVEs from your phone.

Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.

Matching phone alertsOptional email delivery

Get CVE alerts See app features

Summary

dpkg read_package_field() steps past NUL terminator, causing out-of-bounds read on malformed.deb packages. Red Hat rates this moderate (CVSS 6.1).

Weakness: CWE-125. Red Hat lists fixing advisory RHSA-2026:72111 with package busybox-main-1.37.0-9.1.hum1.

Affected product named by the advisory: Red Hat Hardened Images.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.

Official advisory · high-confidence parse· fetched 10 days ago·verify at source

Fixed versions

busybox-main-1.37.0-9.1.hum1
RHSA-2026:72111

Official advisory · high-confidence parse· fetched 10 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation

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

Official advisory · high-confidence parse· fetched 10 days ago·verify at source

Sources

Official and corroborating records used to build this advisory.

Red Hat Security Data APIofficial
Official vendor source used to discover this advisory; it remains the authority for affected products and remediation. Discovered from the machine-readable feed https://access.redhat.com/hydra/rest/securitydata/cve.json; this link opens the Red Hat Linux advisory index instead of the raw feed document.
Red Hat Linux
Official vendor advisoryofficial
Official advisory page fetched and parsed; accepted detail fields are attributed to this page.
Red Hat Linux
CVE.org CNA affected-product recordCVE.org
Structured CNA affected[] data independently confirmed the affected product scope; native advisory content remains authoritative.
CVE Program

Cross-references

Validate CVE metadata against the authoritative registries.

CVE-2026-88835NVD CVE.org MITRE

Discussion(0)

No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.