Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| JV | HarfBuzz::Shaper | < 0.032 | 0.032 |
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.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | libharfbuzz-shaper-perl | No fix yet | — |
| Ubuntu 26.04 LTS | libharfbuzz-shaper-perl | No fix yet | — |
| Ubuntu 25.10 | libharfbuzz-shaper-perl | No fix yet | — |