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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | harfbuzz | 5.2.0-2 | — |
| Debian 13 | harfbuzz | 5.2.0-2 | — |
| Debian 12 | harfbuzz | 5.2.0-2 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | qt6-base +1 | No fix yet | — |
| Ubuntu 26.04 LTS | qt6-base | No fix yet | — |
| Ubuntu 25.10 | qt6-base +1 | No fix yet | — |
| Ubuntu 24.04 LTS | qt6-base | No fix yet | — |
| Ubuntu 22.04 LTS | harfbuzz | 2.7.4-1ubuntu3.1 | USN-5524-1 |
| Ubuntu 22.04 LTS | qt6-base | No fix yet | — |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | harfbuzz | 2.6.4-1ubuntu4.2 | USN-5524-1 |
| Ubuntu 16.04 LTS | openjdk-9 | No fix yet | — |
| Ubuntu Pro 26.04 LTS | qtwebengine-opensource-src | No fix yet | — |
| Ubuntu Pro 24.04 LTS | qtwebengine-opensource-src | No fix yet | — |
| Ubuntu Pro 22.04 LTS | qtwebengine-opensource-src | No fix yet | — |
| Ubuntu Pro 20.04 LTS | qtwebengine-opensource-src | No fix yet | — |
| Ubuntu Pro 18.04 LTS | qtwebengine-opensource-src | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | harfbuzz +2 | 2.7.4-8.el9 | RHSA-2022:8384 |
| RHEL 9 | java-11-openjdk +22 | 1:11.0.17.0.8-2.el9_0 | RHSA-2022:7013 |
| RHEL 9 | java-17-openjdk +22 | 1:17.0.5.0.8-2.el9_0 | RHSA-2022:6999 |
| RHEL 8 | java-11-openjdk +22 | 1:11.0.17.0.8-2.el8_6 | RHSA-2022:7012 |
| RHEL 8 | java-17-openjdk +22 | 1:17.0.5.0.8-2.el8_6 | RHSA-2022:7000 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | harfbuzz +2 | 2.7.4-8.el9 | ALSA-2022:8384 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | harfbuzz | 2.7.4-8.el9 | RLSA-2022:8384 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | harfbuzz | 3.4.0-150400.3.3.1 | SUSE-SU-2022:2664-1 |
| SLES 15 SP3 | harfbuzz | 2.6.4-150200.3.3.1 | SUSE-SU-2022:2663-1 |
| SLES 15 SP2 | harfbuzz | 2.6.4-150200.3.3.1 | SUSE-SU-2022:2663-1 |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP2 | harfbuzz | 2.6.4-150200.3.3.1 | SUSE-SU-2022:2663-1 |
| SLE Micro 5.2 | harfbuzz | 2.6.4-150200.3.3.1 | SUSE-SU-2022:2663-1 |
| SLE HPC 15 SP2 | harfbuzz | 2.6.4-150200.3.3.1 | SUSE-SU-2022:2663-1 |
| SUSE Manager Server 4.1 | harfbuzz | 2.6.4-150200.3.3.1 | SUSE-SU-2022:2663-1 |
| SUSE Manager Retail Branch Server 4.1 | harfbuzz | 2.6.4-150200.3.3.1 | SUSE-SU-2022:2663-1 |
| SUSE Manager Proxy 4.1 | harfbuzz | 2.6.4-150200.3.3.1 | SUSE-SU-2022:2663-1 |
| SUSE Enterprise Storage 7 | harfbuzz | 2.6.4-150200.3.3.1 | SUSE-SU-2022:2663-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | harfbuzz | 4.4.1-1.1 | openSUSE-SU-2024:12168-1 |
| openSUSE Leap 15.4 | harfbuzz | 3.4.0-150400.3.3.1 | SUSE-SU-2022:2664-1 |
| openSUSE Leap 15.3 | harfbuzz | 2.6.4-150200.3.3.1 | SUSE-SU-2022:2663-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.2 | harfbuzz | 2.6.4-150200.3.3.1 | openSUSE-SU-2022:2663-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | harfbuzz | 4.4.1-r0 | — |
| Alpine v3.23 | harfbuzz | 4.4.1-r0 | — |
| Alpine v3.22 | harfbuzz | 4.4.1-r0 | — |
| Alpine v3.21 | harfbuzz | 4.4.1-r0 | — |
| Alpine v3.20 | harfbuzz | 4.4.1-r0 | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | harfbuzz | 4.4.1-r0 | — |
| Alpine v3.18 | harfbuzz | 4.4.1-r0 | — |
| Alpine v3.17 | harfbuzz | 4.4.1-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | harfbuzz +2 | 7.0.0-2.amzn2023.0.1 | ALAS2023-2023-111 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | harfbuzz +2 | 2.7.4-8.el9 | ELSA-2022-8384 |
Advisories 15
- ALSA-2022:8384 Moderate: harfbuzz security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2022:7013 Red Hat Security Advisory: java-11-openjdk security and bug fix update Red Hat Security Advisories (RHSA) · Oct 9, 2026
- RHSA-2022:7012 Red Hat Security Advisory: java-11-openjdk security and bug fix update Red Hat Security Advisories (RHSA) · Oct 9, 2026
- RHSA-2022:6999 Red Hat Security Advisory: java-17-openjdk security and bug fix update Red Hat Security Advisories (RHSA) · Oct 9, 2026
- RHSA-2022:7000 Red Hat Security Advisory: java-17-openjdk security and bug fix update Red Hat Security Advisories (RHSA) · Oct 9, 2026
- RHSA-2022:8384 Red Hat Security Advisory: harfbuzz security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- USN-5524-1 harfbuzz vulnerability Ubuntu Security Notices (USN) · Apr 27, 2026
- RLSA-2022:8384 Moderate: harfbuzz security update Rocky Linux Security Advisories · Feb 5, 2026
- SUSE-SU-2022:2664-1 Security update for harfbuzz SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:12168-1 harfbuzz-devel-4.4.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2663-1 Security update for harfbuzz SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2022:2663-1 Security update for harfbuzz SUSE / openSUSE Security Updates · May 7, 2025
- WID-SEC-2022-2052 Mehrere Red Hat Enterprise Linux Pakete: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 29, 2025
- ALAS2023-2023-111 Moderate: harfbuzz security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Feb 22, 2023
- ELSA-2022-8384 Moderate: harfbuzz security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Nov 22, 2022
References
- https://github.com/harfbuzz/harfbuzz/issues/3557
- https://github.com/harfbuzz/harfbuzz/commit/62e803b36173fd096d7ad460dd1d1db9be542593
- FEDORA-2022-a32f9488a0 vendor-advisory
- FEDORA-2022-ac58de6e98 vendor-advisory
- FEDORA-2022-ced8f872b1 vendor-advisory
- GLSA-202209-11 vendor-advisory