PT-2025-43529 · Fontforge+1 · Fontforge+1

Published 2025-10-23 · Updated 2025-10-27 · CVE-2025-50951

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions FontForge version 20230101

Description FontForge version 20230101 contains a memory leak. This issue is located in the utf7toutf8 copy function at /fontforge/sfd.c. The memory leak occurs during UTF-7 to UTF-8 conversion.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

CVE-2025-50951

Affected Products

Debian

Fontforge

References · 12

• https://github.com/fontforge/fontforge/pull/5495 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-50951 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2025-50951 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-50951 · Security Note
• https://cve.org/CVERecord?id=CVE-2025-50951 · Security Note
• https://osv.dev/vulnerability/CVE-2025-50951 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-50951 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-50951 · Vendor Advisory
• https://t.me/CVEtracker/35582 · Telegram Post
• https://t.me/cveNotify/140552 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1981405038430871679 · Twitter Post
• https://twitter.com/CVEnew/status/1981387793612878243 · Twitter Post