What’s Vulnerable › Vulnerabilities

CVE-2022-33068

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-06-23 · updated 2026-06-17
• Weakness: CWE-190

Description

An integer overflow in the component hb-ot-shape-fallback.cc of Harfbuzz v4.3.0 allows attackers to cause a Denial of Service (DoS) via unspecified vectors.

Affected products

• Fedoraproject Fedora: 35, 36
• harfbuzz: 4.3.0

References

• https://github.com/harfbuzz/harfbuzz/commit/62e803b36173fd096d7ad460dd1d1db9be542593
• https://github.com/harfbuzz/harfbuzz/issues/3557
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FQBJ24W6TXLSAQWCFW7IBGUMX4AJI3S4/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QQMEXOVDL3T2UXKBCON7JSOCE646G7HG/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W56WTC5IY4EIUHVUIHMCXA3BSBZLSZCI/
• https://security.gentoo.org/glsa/202209-11
• https://github.com/harfbuzz/harfbuzz/commit/62e803b36173fd096d7ad460dd1d1db9be542593
• https://github.com/harfbuzz/harfbuzz/issues/3557
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FQBJ24W6TXLSAQWCFW7IBGUMX4AJI3S4/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QQMEXOVDL3T2UXKBCON7JSOCE646G7HG/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W56WTC5IY4EIUHVUIHMCXA3BSBZLSZCI/
• https://security.gentoo.org/glsa/202209-11

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