Fedora 43 : harfbuzz (2026-b38fe572ef)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-b38fe572ef advisory. Backport security fix for CVE-2026-22693 fix RHBZ2429288 Tenable has extracted the preceding description block directly from the Fedora security advisory. No...

CVE-2026-22693

A null pointer dereference vector has been discovered in the harfbuzz package. A null pointer dereference vulnerability exists in the SubtableUnicodesCache::create function located in src/hb-ot-cmap-table.hh:1672-1673. The function fails to check if hbmalloc returns NULL before using placement ne...

SUSE CVE-2026-22693

HarfBuzz is a text shaping engine. Prior to version 12.3.0, a null pointer dereference vulnerability exists in the SubtableUnicodesCache::create function located in src/hb-ot-cmap-table.hh. The function fails to check if hbmalloc returns NULL before using placement new to construct an object at t...

NULL Pointer Dereference

Overview Affected versions of this package are vulnerable to NULL Pointer Dereference via the SubtableUnicodesCache::create function when memory allocation fails and the return value is not checked before object construction. An attacker can cause a segmentation fault and crash the process by...

AZL-73970 CVE-2026-22693 affecting package harfbuzz for versions less than 8.3.0-4

HarfBuzz is a text shaping engine. Prior to version 12.3.0, a null pointer dereference vulnerability exists in the SubtableUnicodesCache::create function located in src/hb-ot-cmap-table.hh. The function fails to check if hbmalloc returns NULL before using placement new to construct an object at t...

CVE-2026-22693

HarfBuzz is a text shaping engine. Prior to version 12.3.0, a null pointer dereference vulnerability exists in the SubtableUnicodesCache::create function located in src/hb-ot-cmap-table.hh. The function fails to check if hbmalloc returns NULL before using placement new to construct an object at t...

CVE-2026-22693

HarfBuzz is a text shaping engine. Prior to version 12.3.0, a null pointer dereference vulnerability exists in the SubtableUnicodesCache::create function located in src/hb-ot-cmap-table.hh. The function fails to check if hbmalloc returns NULL before using placement new to construct an object at t...

UBUNTU-CVE-2026-22693

HarfBuzz is a text shaping engine. Prior to version 12.3.0, a null pointer dereference vulnerability exists in the SubtableUnicodesCache::create function located in src/hb-ot-cmap-table.hh. The function fails to check if hbmalloc returns NULL before using placement new to construct an object at t...

CVE-2026-22693 Null Pointer Dereference in SubtableUnicodesCache::create leading to DoS

HarfBuzz is a text shaping engine. Prior to version 12.3.0, a null pointer dereference vulnerability exists in the SubtableUnicodesCache::create function located in src/hb-ot-cmap-table.hh. The function fails to check if hbmalloc returns NULL before using placement new to construct an object at t...

CVE-2026-22693 Null Pointer Dereference in SubtableUnicodesCache::create leading to DoS

HarfBuzz is a text shaping engine. Prior to version 12.3.0, a null pointer dereference vulnerability exists in the SubtableUnicodesCache::create function located in src/hb-ot-cmap-table.hh. The function fails to check if hbmalloc returns NULL before using placement new to construct an object at t...

EUVD-2026-1871

HarfBuzz is a text shaping engine. Prior to version 12.3.0, a null pointer dereference vulnerability exists in the SubtableUnicodesCache::create function located in src/hb-ot-cmap-table.hh. The function fails to check if hbmalloc returns NULL before using placement new to construct an object at t...

CVE-2026-22693

HarfBuzz is a text shaping engine. Prior to version 12.3.0, a null pointer dereference vulnerability exists in the SubtableUnicodesCache::create function located in src/hb-ot-cmap-table.hh. The function fails to check if hbmalloc returns NULL before using placement new to construct an object at t...

CVE-2026-22693

HarfBuzz is a text shaping engine. Prior to version 12.3.0, a null pointer dereference vulnerability exists in the SubtableUnicodesCache::create function located in src/hb-ot-cmap-table.hh. The function fails to check if hbmalloc returns NULL before using placement new to construct an object at t...

CVE-2026-22693 Null Pointer Dereference in SubtableUnicodesCache::create leading to DoS

HarfBuzz is a text shaping engine. Prior to version 12.3.0, a null pointer dereference vulnerability exists in the SubtableUnicodesCache::create function located in src/hb-ot-cmap-table.hh. The function fails to check if hbmalloc returns NULL before using placement new to construct an object at t...

HarfBuzz 安全漏洞

HarfBuzz is HarfBuzz open source a text engine for OpenType fonts. HarfBuzz version before 12.3.0 has a security vulnerability , the vulnerability stems from the SubtableUnicodesCache::create function does not check the hbmalloc return value , which may lead to null pointer dereferencing and...

CVE-2026-22693: NULL Pointer Dereference

HarfBuzz is a text shaping engine. Prior to version 12.3.0, a null pointer dereference vulnerability exists in the SubtableUnicodesCache::create function located in src/hb-ot-cmap-table.hh. The function fails to check if hbmalloc returns NULL before using placement new to construct an object at t...

Linux Distros Unpatched Vulnerability : CVE-2026-22693

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - HarfBuzz is a text shaping engine. Prior to version 12.3.0, a null pointer dereference vulnerability exists in the SubtableUnicodesCache::create function locate...

PT-2026-2246

Name of the Vulnerable Software and Affected Versions HarfBuzz versions prior to 12.3.0 Description HarfBuzz is a text shaping engine. A null pointer dereference issue exists in the SubtableUnicodesCache::create function, located in src/hb-ot-cmap-table.hh. The function does not verify if hb mall...

Oracle Linux 10 / 8 / 9 : java-21-openjdk (ELSA-2025-18824)

The remote Oracle Linux 10 / 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2025-18824 advisory. 1:21.0.9.0.10-1.0.1 - Add Oracle vendor bug URL Orabug: 34340155 1:21.0.9.0.10-1 - Update to jdk-21.0.9+10 GA - Update release notes to...

JLSEC-2025-175 hb-ot-layout-gsubgpos.hh in HarfBuzz through 6.0.0 allows attackers to trigger O(n^2) growth via...

hb-ot-layout-gsubgpos.hh in HarfBuzz through 6.0.0 allows attackers to trigger On^2 growth via consecutive marks during the process of looking back for base glyphs when attaching marks...