Vulnerability · Published Dec 27, 2024 · Assigned by GitHub_M
CVE-2024-56732HarfBuzz heap-buffer-overflow on hb_cairo_glyphs_from_buffer
High 8.8
In plain English
A high-severity heap buffer overflow in harfbuzz from harfbuzz. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 51% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.7%top 48.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:13 | harfbuzz | 10.1.0-2 | DEBIAN-CVE-2024-56732 |
| Debian:14 | harfbuzz | 10.1.0-2 | DEBIAN-CVE-2024-56732 |
| Ubuntu:25.10 | harfbuzz | 10.2.0-1 | UBUNTU-CVE-2024-56732 |
| Ubuntu:26.04:LTS | harfbuzz | 10.2.0-1 | UBUNTU-CVE-2024-56732 |
Affected products (as reported)
Weakness: CWE-122 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H