CVE-2026-78367

CVE.org · Published

Record status: Published
Identifier year (not publication year): 2026
Source publication: Aug 24, 2026
Source updated: Oct 14, 2026
Imported by cveboard: Oct 24, 2026
Source snapshot: cve_2026-10-24_midnight_baseline · Oct 24, 2026

CNA source text (English)

Rpm: rpmbuild gettarspec() crafted tar member name → macro injection

A vulnerability was found in RPM's rpmbuild tarball processing. When processing a crafted source archive, the getTarSpec() function in tools/rpmbuild.cc passes an attacker-controlled tar archive member name to rpmExpand() as part of a %{basename:...} macro expression. A specially crafted .spec member name can therefore inject RPM macros, including Lua expressions, resulting in arbitrary code execution with the privileges of the user running rpmbuild. This can be exploited when a victim or automated build system processes an attacker-controlled source tarball using rpmbuild tarball mode (such as -ts, -ta, or -tb).

Scoped product and version facts

Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.

Exploitation unknown; this catalogue does not assess exploitation.

Red Hat Hardened Images

Vendor: Red Hat
Product: Red Hat Hardened Images
Platforms: Unknown
Default status: affected
Package: rpm-main
Package collection: https://catalog.redhat.com/software/containers/

Red Hat Hardened Images · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
6.1.0-1.3.hum1	`unaffected`	rpm	*	Unavailable	None listed