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CVE-2025-15273

28
FAUCET Score

CVE-2025-15273 is a stack-based buffer overflow vulnerability in FontForge, affecting its PFB file parsing. This flaw allows remote attackers to execute arbitrary code on a user's system if they open a specially crafted malicious file. Rated with a CVSS score of 8.8 (HIGH), it requires user interaction (e.g., opening a malicious file) but can lead to complete compromise of confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion, suggesting it is not widely targeted.

Impacted Technologies

VendorProductVersion(s)CPE
2025-11-17CPE matchmatch criteria
cpe:2.3:a:fontforge:fontforge:2025-11-17:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.58%
Probability of exploitation in next 30 days
EPSS Percentile
44.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0058 is in the 46th percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Vendor Patches (4)

redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 10Fixed in: fontforge
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: fontforge
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: fontforge
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: fontforge

Vendor Advisories (1)

redhatCVE-2025-15273Important

fontforge: FontForge: Remote Code Execution via PFB File Parsing Stack-based Buffer Overflow

Dec 31, 2025

References

zerodayinitiative.com / advisories/ZDI-25-1191
Third Party Advisory