CVE-2026-71267

criticalCVSS 9.8covered by 1 sourcefirst seen 2026-08-05

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.

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Exploitation outlook

Low exploitation risk0.31% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 23% of all EPSS-scored CVEs.

Advisory coverage (1)

criticalCVE-2026-71267: microtar's mtar_write_file_header and mtar_write_dir_header functions (src/microtar.c) copy a …nvd · 2026-08-05

External references

NVD record for CVE-2026-71267

CVE.org record

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