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No exploitation reportedFix available

CVE-2022-33068

No exploitation reported by the sources we read.

  • Published2022-06-23
  • WeaknessCWE-190

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2022-06-2317:15CVE publishedNVD

Versions per branch

NVD
Fedoraproject fedora
BranchAffectedFixed in
35.x= 35no fix published
36.x= 36no fix published
Harfbuzz project harfbuzz
BranchAffectedFixed in
4.3= 4.3.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • harfbuzzUbuntu:22.04:LTSall versions · fixed in 2.7.4-1ubuntu3.1
  • harfbuzzUbuntu:20.04:LTSall versions · fixed in 2.6.4-1ubuntu4.2
  • harfbuzzSUSE:Manager Server 4.1all versions · fixed in 2.6.4-150200.3.3.1
  • harfbuzzSUSE:Manager Retail Branch Server 4.1all versions · fixed in 2.6.4-150200.3.3.1
  • harfbuzzSUSE:Manager Proxy 4.1all versions · fixed in 2.6.4-150200.3.3.1
  • harfbuzzSUSE:Linux Enterprise Server for SAP Applications 15 SP2all versions · fixed in 2.6.4-150200.3.3.1
  • harfbuzzSUSE:Linux Enterprise Server 15 SP2-LTSSall versions · fixed in 2.6.4-150200.3.3.1
  • harfbuzzSUSE:Linux Enterprise Server 15 SP2-BCLall versions · fixed in 2.6.4-150200.3.3.1

55 more package ranges on OSV.dev

Vendor advisories

  • CVE-2022-33068 Red Hat Product Security608 products fixed

    harfbuzz: integer overflow in the component hb-ot-shape-fallback.cc

  • RHSA-2022:8384 Red Hat Product Security52 products fixed

    Red Hat Security Advisory: harfbuzz security update

  • RHSA-2022:7013 Red Hat Product Security139 products fixed

    Red Hat Security Advisory: java-11-openjdk security and bug fix update

  • RHSA-2022:6999 Red Hat Product Security139 products fixed

    Red Hat Security Advisory: java-17-openjdk security and bug fix update

  • RHSA-2022:7012 Red Hat Product Security139 products fixed

    Red Hat Security Advisory: java-11-openjdk security and bug fix update

  • RHSA-2022:7000 Red Hat Product Security139 products fixed

    Red Hat Security Advisory: java-17-openjdk security and bug fix update

Full record on NVD

Fix

  1. Vendor fix Red Hat Product Security RHSA-2022:8384 · 52 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
  2. Vendor fix Red Hat Product Security RHSA-2022:7013 · 139 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of OpenJDK Java must be restarted for this update to take effect.

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published
2022-06-23
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-cq67-chj5-8385

Frequently asked questions

What is 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.

Is CVE-2022-33068 actively exploited?

Active exploitation of CVE-2022-33068 has not been confirmed. Its EPSS score was 1.2% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-33068?

CVE-2022-33068 has a CVSS v3 base score of 5.5 (MEDIUM severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

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Sources for this record