CVE-2025-50949: FontForge v20230101 was discovered to contain a memory leak via the component DlgCreate8.

Routine

MEDIUM 6.5DOWNGRADE

CVE-2025-50949 is a medium-severity flaw (CVSS 6.5) affecting fontforge. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

FontForge v20230101 was discovered to contain a memory leak via the component DlgCreate8.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 82%)
CISA exploited list	No
Weakness	CWE-401
Published	2025-10-23
Last modified	2026-10-27

Publisher (CNA): MITRE · Vendor: fontforge

Last updated 2026-10-27 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-10-23 16:15 UTCPublished CVE record published
2026-10-27 12:10 UTCUpdated Record last modified

fontforge fontforge DOWNGRADE

Affected: 2023-01-01

Fixed in: no fixed release known

Safe to downgrade to: a release before 2023-01-01

1. Check installed version

apt-cache policy fontforge || rpm -q fontforge || fontforge --version

2. No fixed release: DOWNGRADE to a release before 2023-01-01 (Debian / Ubuntu)

apt-cache madison fontforge sudo apt install fontforge=<VERSION_BEFORE_2023-01-01> sudo apt-mark hold fontforge

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list fontforge sudo dnf downgrade fontforge-<VERSION_BEFORE_2023-01-01> sudo dnf versionlock add fontforge

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-50949?

fontforge: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-50949 being exploited?

CVE-2025-50949 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-50949 affect?

CVE-2025-50949 affects fontforge. Severity is medium (CVSS 6.5). FontForge v20230101 was discovered to contain a memory leak via the component DlgCreate8.

How urgent is CVE-2025-50949?

Priority 27/100. No elevated risk signals yet.

References

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