CVE-2021-45931

medium

Description

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

References

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=37425

https://github.com/google/oss-fuzz-vulns/blob/main/vulns/harfbuzz/OSV-2021-1159.yaml

https://github.com/harfbuzz/harfbuzz/commit/d3e09bf4654fe5478b6dbf2b26ebab6271317d81

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4EAIZKL4O67FN2CWJYHYKZEMNYWNWO3D/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5A7TCR2MY46YK3NHQZB3SLESUH354IEA/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DI6247WOAKB46CZZ6SCDSJVWWCW3GMZH/

https://security.gentoo.org/glsa/202209-11

Details

Source: Mitre, NVD

Published: 2022-01-01

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Severity: Medium