CVE-2026-71267 — microtar Stack Buffer Overflow in mtar_write_file_header() and mtar_write_dir_header()

CVE-2026-71267

microtar Stack Buffer Overflow in mtar_write_file_header() and mtar_write_dir_header() PUBLISHED

Description (CNA)

microtar's mtar_write_file_header and mtar_write_dir_header functions (src/microtar.c) copy a caller-supplied entry name into the 100-byte field of a stack-allocated mtar_header_t via strcpy(h.name, name), with no check that strlen(name) is less than 100 before the copy.

Affected (CNA)

Vendor / product	Versions
rxi / microtar	affected 0 through *

CWE

CWE-121

References

https://github.com/rxi/microtar
https://github.com/rxi/microtar/blob/master/src/microtar.c

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.