CVE-2021-45931

PoC ×2—

CVSS 3.1

6.5 medium

EPSS

2%p77

Published

Jan 1, 2022 (Jan 1, 2022)

Modified

Jun 17, 2026

Description

HarfBuzz 2.9.0 has an out-of-bounds write in hb_bit_set_invertible_t::set (called from hb_sparseset_t ::set and hb_set_copy).

Vendors: harfbuzz project fedoraproject
Products: harfbuzz, fedora
Weakness: CWE-787
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (1.8%)

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