CVE-2026-71267

critical · 9.8

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.

9.8

CVSS

0.3%

EPSS (exploit prob.)

24th

EPSS percentile

2026-08-05

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-121

References

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

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-71267