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4.3
CVSSv2

CVE-2021-45931

Published: 01/01/2022 Updated: 07/11/2023
CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6
CVSS v3 Base Score: 6.5 | Impact Score: 3.6 | Exploitability Score: 2.8
VMScore: 383
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
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Vulnerability Summary

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).

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harfbuzz project harfbuzz 2.9.0

fedoraproject fedora 34

fedoraproject fedora 35

Vendor Advisories

Amazon Linux 2022: ALAS2022-2022-181
HarfBuzz 290 has an out-of-bounds write in hb_bit_set_invertible_t::set (called from hb_sparseset_t&lt;hb_bit_set_invertible_t&gt;::set and hb_set_copy) (CVE-2021-45931) ...
Amazon Linux 2022: ALAS2022-2022-027
HarfBuzz 290 has an out-of-bounds write in hb_bit_set_invertible_t::set (called from hb_sparseset_t&lt;hb_bit_set_invertible_t&gt;::set and hb_set_copy) (CVE-2021-45931) ...

References

CWE-787https://github.com/google/oss-fuzz-vulns/blob/main/vulns/harfbuzz/OSV-2021-1159.yamlhttps://github.com/harfbuzz/harfbuzz/commit/d3e09bf4654fe5478b6dbf2b26ebab6271317d81https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=37425https://security.gentoo.org/glsa/202209-11https://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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4EAIZKL4O67FN2CWJYHYKZEMNYWNWO3D/https://nvd.nist.govhttps://alas.aws.amazon.com/AL2022/ALAS-2022-181.html
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2020-4463CVE-2024-3400deserializationCVE-2024-21788CVE-2023-42433CVE-2024-21841CVE-2024-22095local file inclusionmemory leak
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