CVE-2026-15028

In libarchive, CVE-2026-15028 describes a heap overflow triggered while parsing a tar archive’s PAX extended header with a malformed SUN.holesdata sparse-file attribute. The vulnerability is exploitable remotely to cause DoS or potentially arbitrary code execution on affected systems. The root ca...

EUVD-2026-42865

A flaw was found in libarchive. This vulnerability allows a remote attacker to trigger a heap overflow by providing a specially crafted tar archive. The issue occurs during the parsing of a PAX extended header containing a malformed SUN.holesdata sparse-file attribute. Successful exploitation cou...

Heap-based Buffer Overflow

Overview Affected versions of this package are vulnerable to Heap-based Buffer Overflow in the parsing process of a tar archive containing a PAX extended header with a malformed SUN.holesdata sparse-file attribute. An attacker can cause a heap overflow and out-of-bounds read by supplying a...

DEBIAN-CVE-2026-53655

node-tar is a full-featured Tar for Node.js. Prior to 7.5.16, tar node-tar applies a PAX extended header's size= record and other PAX overrides to the next header entry of any type, including intermediary metadata headers such as a GNU long-name L or long-link K entry. Per POSIX pax, a PAX extend...

node-tar applies PAX size override to intermediary GNU long-name/long-link headers, causing tar parser interpretation differential (file smuggling)

Summary tar node-tar applies a PAX extended header's size= record and other PAX overrides to the next header entry of any type, including intermediary metadata headers such as a GNU long-name L or long-link K entry. Per POSIX pax, a PAX extended header x describes the next file entry, not the...