Multiple vulnerabilities in multiple vendor implementations of the Secure/Multipurpose…
Priority LOW 34Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
Multiple vulnerabilities in multiple vendor implementations of the Secure/Multipurpose Internet Mail Extensions (S/MIME) protocol allow remote attackers to cause a denial of service and possibly execute arbitrary code via an S/MIME email message containing certain unexpected ASN.1 constructs, as demonstrated using the NISSC test suite.
Why it matters now
EPSS 0.08564 95th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
Red Hat 1 advisory
- RHSA-2004:112 Released 2004-03-17 · Red Hat rating Important: Updated Mozilla packages fix security issues
- Red Hat Linux 9
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Linux 9 | Fixed | RHSA-2004:112 |
Timeline
- 2026-10-02 Threatist record created from CVE-2003-0564
- 2026-10-03 Alias added: GHSA-j65f-95c3-p4r8
- 2026-10-16 EPSS moved to the 95th–99th percentile
References
Sources
- CVE-2003-0564 · CVE Program
- CVE-2003-0564 · NVD
- FIRST EPSS
- GHSA-j65f-95c3-p4r8 · GitHub Advisory Database · CC BY 4.0
- CVE-2003-0564 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences