Vulnerability record · CVE-2026-0943 · published 19 January 2026

CVE-2026-0943: Jv harfbuzz\ null pointer dereference vulnerability

JJv · Harfbuzz\

HarfBuzz::Shaper versions before 0.032 for Perl contains a bundled library with a null pointer dereference vulnerability. Versions before 0.032 contain HarfBuzz 8.4.0 or earlier bundled as hb_src.tar.gz in the source tarball, which is affected by CVE-2026-22693.

7.5 CVSS 3.1 High EPSS 0.48% · top 60.9% CWE-476 · NULL pointer dereference

7.5CVSS 3.1 base score

0.48%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

3References

17 Jun 2026Last modified by NVD

Description

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

JHarfbuzz\ Jv

References

Link	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=2429296	Third Party Advisory
https://metacpan.org/release/JV/HarfBuzz-Shaper-0.032/changes	ProductRelease Notes
https://www.cve.org/CVERecord?id=CVE-2026-22693	Third Party AdvisoryVDB Entry

Track CVE-2026-0943 inside VULONE

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

6.2CVE-2026-21525Windows Remote Access Connection Manager null pointer dereference DoSWindows Remote Access Connection Manager contains a null pointer dereference (CWE-476) that lets an unauthorized attacker deny service locally. The f…KEVEPSS 4.8%analysed10 Feb 2026

Source: NIST National Vulnerability Database (record CVE-2026-0943), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.