An integer overflow in the component hb-ot-shape-fallback.cc of Harfbuzz v4.3.0 allows…
Priority LOW 27CWE-190Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-190 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.01189 68th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 5 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:harfbuzz_project:harfbuzz:4.3.0:*:*:*:*:*:*:* | 4.3.0 | Vulnerable | Harfbuzz Project |
| cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* | 35 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* | 36 | Vulnerable | Fedoraproject |
- cpe:2.3:a:harfbuzz_project:harfbuzz:4.3.0:*:*:*:*:*:*:* Versions 4.3.0 Vulnerable ·Harfbuzz Project
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* Versions 35 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* Versions 36 Vulnerable ·Fedoraproject
Remediation
Red Hat 5 advisories
- RHSA-2022:8384 Released 2022-11-15 · Red Hat rating Moderateharfbuzz security update
- Red Hat Enterprise Linux AppStream (v. 9) harfbuzz-2.7.4-8.el9, harfbuzz-devel-2.7.4-8.el9, harfbuzz-icu-2.7.4-8.el9
- Red Hat Enterprise Linux BaseOS (v. 9) harfbuzz-2.7.4-8.el9
- RHSA-2022:7013 Released 2022-10-20 · Red Hat rating Moderatejava-11-openjdk security and bug fix update
- Red Hat CodeReady Linux Builder (v. 9) java-11-openjdk-demo-fastdebug-1:11.0.17.0.8-2.el9_0, java-11-openjdk-demo-slowdebug-1:11.0.17.0.8-2.el9_0, java-11-openjdk-devel-fastdebug-1:11.0.17.0.8-2.el9_0 +11
- Red Hat Enterprise Linux AppStream (v. 9) java-11-openjdk-1:11.0.17.0.8-2.el9_0, java-11-openjdk-demo-1:11.0.17.0.8-2.el9_0, java-11-openjdk-devel-1:11.0.17.0.8-2.el9_0 +6
- RHSA-2022:6999 Released 2022-10-20 · Red Hat rating Moderatejava-17-openjdk security and bug fix update
- Red Hat CodeReady Linux Builder (v. 9) java-17-openjdk-demo-fastdebug-1:17.0.5.0.8-2.el9_0, java-17-openjdk-demo-slowdebug-1:17.0.5.0.8-2.el9_0, java-17-openjdk-devel-fastdebug-1:17.0.5.0.8-2.el9_0 +11
- Red Hat Enterprise Linux AppStream (v. 9) java-17-openjdk-1:17.0.5.0.8-2.el9_0, java-17-openjdk-demo-1:17.0.5.0.8-2.el9_0, java-17-openjdk-devel-1:17.0.5.0.8-2.el9_0 +6
Show 2 more Red Hat advisories
- RHSA-2022:7012 Released 2022-10-19 · Red Hat rating Moderatejava-11-openjdk security and bug fix update
- Red Hat Enterprise Linux AppStream (v. 8) java-11-openjdk-1:11.0.17.0.8-2.el8_6, java-11-openjdk-demo-1:11.0.17.0.8-2.el8_6, java-11-openjdk-devel-1:11.0.17.0.8-2.el8_6 +6
- Red Hat Enterprise Linux CRB (v. 8) java-11-openjdk-demo-fastdebug-1:11.0.17.0.8-2.el8_6, java-11-openjdk-demo-slowdebug-1:11.0.17.0.8-2.el8_6, java-11-openjdk-devel-fastdebug-1:11.0.17.0.8-2.el8_6 +11
- RHSA-2022:7000 Released 2022-10-19 · Red Hat rating Moderatejava-17-openjdk security and bug fix update
- Red Hat Enterprise Linux AppStream (v. 8) java-17-openjdk-1:17.0.5.0.8-2.el8_6, java-17-openjdk-demo-1:17.0.5.0.8-2.el8_6, java-17-openjdk-devel-1:17.0.5.0.8-2.el8_6 +6
- Red Hat Enterprise Linux CRB (v. 8) java-17-openjdk-demo-fastdebug-1:17.0.5.0.8-2.el8_6, java-17-openjdk-demo-slowdebug-1:17.0.5.0.8-2.el8_6, java-17-openjdk-devel-fastdebug-1:17.0.5.0.8-2.el8_6 +11
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat CodeReady Linux Builder (v. 9) | Fixed | RHSA-2022:6999, RHSA-2022:7013 |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2022:7000, RHSA-2022:7012 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2022:6999, RHSA-2022:7013, RHSA-2022:8384 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2022:8384 |
| Red Hat Enterprise Linux CRB (v. 8) | Fixed | RHSA-2022:7000, RHSA-2022:7012 |
Not affected: 2 products
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
Timeline
- 2026-10-02 Threatist record created from CVE-2022-33068
- 2026-10-03 Alias added: GHSA-cq67-chj5-8385
References
Sources
- CVE-2022-33068 · CVE Program
- CVE-2022-33068 · NVD
- FIRST EPSS
- GHSA-cq67-chj5-8385 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-33068 · Red Hat security data · CC BY 4.0
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