VDB
CVE-2021-3404
CVE-2021-3404
PUBLISHED
Reported by redhat · Published March 4, 2021
In ytnef 1.9.3, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial-of-service (and potentially code execution) due to a heap buffer overflow which can be triggered via a crafted file.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| n/a | ytnef | All versions |
| alpine | ytnef | 0 |
| arch | libytnef | 0 |
| n/a | ytnef | * |
Timeline
- Mar 4, 2021 CVE Published
- Apr 14, 2021 EPSS Score (30 in total, the first dated here)
- Aug 3, 2024 CVE Updated
- Apr 4, 2026 Security Advisory
- Jul 30, 2026 Coalition ESS Score
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2021-3404
vulnetix vdb fixes CVE-2021-3404Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/CVE-2021-3404/fixes/registry"The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart