CVE-2021-45931
First published: Fri Dec 31 2021(Updated: )
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).
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Harfbuzz Project Harfbuzz | =2.9.0 | |
| Fedoraproject Fedora | =34 | |
| Fedoraproject Fedora | =35 | |
| =2.9.0 | ||
| =34 | ||
| =35 |
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Reference Links
- 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@lists.fedoraproject.org/message/4EAIZKL4O67FN2CWJYHYKZEMNYWNWO3D/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5A7TCR2MY46YK3NHQZB3SLESUH354IEA/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DI6247WOAKB46CZZ6SCDSJVWWCW3GMZH/
- https://security.gentoo.org/glsa/202209-11
- 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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4EAIZKL4O67FN2CWJYHYKZEMNYWNWO3D/
Frequently Asked Questions
What is the severity of CVE-2021-45931?
The severity of CVE-2021-45931 is medium with a CVSS score of 6.5.
Which software versions are affected by CVE-2021-45931?
HarfBuzz version 2.9.0 is affected by CVE-2021-45931.
How can I fix CVE-2021-45931?
Update HarfBuzz to a version that includes the fix for CVE-2021-45931.
Where can I find more information about CVE-2021-45931?
You can find more information about CVE-2021-45931 at the following references: [link1], [link2], [link3].
What is the CWE ID for CVE-2021-45931?
The CWE ID for CVE-2021-45931 is CWE-787.
- collector/nvd-index
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/references
- agent/remedy
- agent/weakness
- agent/description
- agent/first-publish-date
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/last-modified-date
- agent/author
- agent/softwarecombine
- agent/tags
- agent/event
- vendor/harfbuzz project
- canonical/harfbuzz project harfbuzz
- version/harfbuzz project harfbuzz/2.9.0
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/34
- version/fedoraproject fedora/35