CVE-2022-33068
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.
02 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.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.18% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 67.4% of scored records. A rank, not a probability.
- NVD base score
- 5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2022-06-22 13:24Z4 YR AGO
- Last updated
- 2024-08-03 08:01Z2 YR AGO
- Reserved
- 2022-06-13
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-190Integer Overflow or WraparoundBase
- Data version
- 5.1
- Document digest
- 006197954d8faff666383ba443c7f2e2e3be04203d019b59fe4393dd4640ecad
05 Affected products
06 References
- github.comhttps://github.com/harfbuzz/harfbuzz/issues/3557
- github.comhttps://github.com/harfbuzz/harfbuzz/commit/62e803b36173fd096d7ad460dd1d1db9be542593
- lists.fedoraproject.orgFEDORA-2022-a32f9488a0https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FQBJ24W6TXLSAQWCFW7IBGUMX4AJI3S4/
- lists.fedoraproject.orgFEDORA-2022-ac58de6e98https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QQMEXOVDL3T2UXKBCON7JSOCE646G7HG/
- lists.fedoraproject.orgFEDORA-2022-ced8f872b1https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W56WTC5IY4EIUHVUIHMCXA3BSBZLSZCI/
- security.gentoo.orgGLSA-202209-11https://security.gentoo.org/glsa/202209-11
07 Fixed in
AlmaLinux 9
- harfbuzz Fixed in 2.7.4-8.el9
- harfbuzz-devel Fixed in 2.7.4-8.el9
- harfbuzz-icu Fixed in 2.7.4-8.el9
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Arch Linux
- harfbuzz Fixed in 4.4.0-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
CloudLinux 9
- harfbuzz Fixed in 2.7.4-8.el9
- harfbuzz-devel Fixed in 2.7.4-8.el9
- harfbuzz-icu Fixed in 2.7.4-8.el9
Derived from AlmaLinux 9. Partial coverage: only packages taken from AlmaLinux 9 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Debian 12
- harfbuzz Fixed in 5.2.0-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- harfbuzz Fixed in 5.2.0-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- harfbuzz Fixed in 5.2.0-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- openjdk-9 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- harfbuzz Fixed in 2.6.4-1ubuntu4.2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- harfbuzz Fixed in 2.7.4-1ubuntu3.1
- qt6-base No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 24.04 LTS
- qt6-base No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 25.10
- qt6-base No fix yet
- qtwebengine-opensource-src No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 26.04 LTS
- qt6-base No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 26.10
- qt6-base No fix yet
- qtwebengine-opensource-src No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 18.04 LTS
- qtwebengine-opensource-src No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 20.04 LTS
- qtwebengine-opensource-src No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 22.04 LTS
- qtwebengine-opensource-src No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 24.04 LTS
- qtwebengine-opensource-src No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 26.04 LTS
- qtwebengine-opensource-src No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.