SB2026031140 - Integer overflow in Freetype
Published: March 11, 2026
Security Bulletin ID
SB2026031140
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Integer overflow (CVE-ID: CVE-2026-23865)
CWE-ID: CWE-190 - Integer overflow
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to integer overflow within the tt_var_load_item_variation_store() function when parsing HVAR/VVAR/MVAR tables in OpenType variable fonts. A remote attacker can trick the victim into opening a specially crafted file, trigger an integer overflow and read memory contents on the system.
Remediation
Install update from vendor's website.