No exploitation reported

CVE-2025-15279

No exploitation reported by the sources we read.

Published2025-12-31
WeaknessCWE-122

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

FontForge GUtils BMP File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of FontForge. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of pixels within BMP files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-27517.

Timeline

dates in UTC

2025-12-3107:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2025-15279?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2025-15279?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Fontforge

Branch	Affected	Fixed in	Source
20251009.x	= 20251009	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

fontforgeAlmaLinux:10all versions · fixed in 20230101-14.el10_1
fontforgeAlmaLinux:9all versions · fixed in 20201107-7.el9_7
fontforgeAlmaLinux:8all versions · fixed in 20200314-7.el8_10

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVE recordread 2026-10-23
CISA-ADPSSVC decisionnone2025-12-31
OpenCVESSVC decisionnone—
CNACVSS 3.07.8read 2026-10-23
CNAweakness (CWE)CWE-122read 2026-10-23
FIRST EPSSEPSS score0.3 %2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2025-12-31
Last Modified: 2026-06-17
NVD status: Analyzed

Frequently asked questions

What is CVE-2025-15279?

Is CVE-2025-15279 actively exploited?

Active exploitation of CVE-2025-15279 has not been confirmed. Its EPSS score was 0.3% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-15279?

CVE-2025-15279 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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