RHSA-2026:7677 - Security Advisory

Topic

An update for fontforge is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

FontForge is a font editor for outline and bitmap fonts. It supports a range of font formats, including PostScript (ASCII and binary Type 1, some Type 3 and Type 0), TrueType, OpenType (Type2) and CID-keyed fonts.

Security Fix(es):

• fontforge: FontForge: Remote Code Execution via heap-based buffer overflow in BMP file parsing (CVE-2025-15279)
• fontforge: FontForge: Remote Code Execution via Use-After-Free in SFD file parsing (CVE-2025-15269)
• fontforge: FontForge: Arbitrary code execution via SFD file parsing buffer overflow (CVE-2025-15275)
• fontforge: FontForge: Remote Code Execution via malicious SFD file parsing (CVE-2025-15270)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat CodeReady Linux Builder for x86_64 8 x86_64
• Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le
• Red Hat CodeReady Linux Builder for ARM 64 8 aarch64
• Red Hat CodeReady Linux Builder for IBM z Systems 8 s390x

Fixes

• BZ - 2426421 - CVE-2025-15279 fontforge: FontForge: Remote Code Execution via heap-based buffer overflow in BMP file parsing
• BZ - 2426423 - CVE-2025-15269 fontforge: FontForge: Remote Code Execution via Use-After-Free in SFD file parsing
• BZ - 2426429 - CVE-2025-15275 fontforge: FontForge: Arbitrary code execution via SFD file parsing buffer overflow
• BZ - 2426434 - CVE-2025-15270 fontforge: FontForge: Remote Code Execution via malicious SFD file parsing

CVEs

• CVE-2025-15269
• CVE-2025-15270
• CVE-2025-15275
• CVE-2025-15279

References

• https://access.redhat.com/security/updates/classification/#important