#VU108929 Integer overflow in FreeType - CVE-2025-23022

Vulnerability identifier: #VU108929

Vulnerability risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-23022

CWE-ID: CWE-190

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FreeType
Universal components / Libraries / Libraries used by multiple products

Vendor: freetype.org

Description

The vulnerability allows a remote attacker to crash the application.

The vulnerability exists due to integer overflow within the cf2_doFlex() function in cff/cf2intrp.c. A remote attacker can pass specially crafted image to the application, trigger an integer overflow and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FreeType: 2.8 - 2.8.1

---

External links
https://gitlab.freedesktop.org/freetype/freetype/-/issues/1312

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.