cve.bz

CVE-2021-3403

7.8 highEPSS 1.8%

High (7.8). EPSS 1.8% chance of exploitation in the next 30 days.

In ytnef 1.9.3, the TNEFSubjectHandler function in lib/ytnef.c allows remote attackers to cause a denial-of-service (and potentially code execution) due to a double free which can be triggered via a crafted file.

Severity

CVSS 3.1

7.8 high
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
1.8% chance of exploitation in the next 30 days; higher than 77% of CVEs (scores of 2026-10-31)
CWEs
CWE-415, CWE-416
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON