CVE-2024-56732

Publication date 27 December 2024

Last updated 3 July 2025

Ubuntu priority

Cvss 3 Severity Score

HarfBuzz is a text shaping engine. Starting with 8.5.0 through 10.0.1, there is a heap-based buffer overflow in the hb_cairo_glyphs_from_buffer function.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
harfbuzz	25.04 plucky	Fixed 10.2.0-1
	24.10 oracular	Fixed 9.0.0-1ubuntu0.1
	24.04 LTS noble	Not affected
	22.04 LTS jammy	Not affected
	20.04 LTS focal	Not affected
	18.04 LTS bionic	Needs evaluation
	16.04 LTS xenial	Needs evaluation
	14.04 LTS trusty	Needs evaluation

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
harfbuzz	Upstream: 1767f99

Severity score breakdown

Parameter	Value
Base score	8.8 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-7214-1
HarfBuzz vulnerability
16 January 2025