KMail since version 5.3.0 used a QWebEngine based viewer that had JavaScript enabled.
Priority LOW 39CWE-284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Security bypass, Code execution
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-284 and CWE-94.
Summary
KMail since version 5.3.0 used a QWebEngine based viewer that had JavaScript enabled. Since the generated html is executed in the local file security context by default access to remote and local URLs was enabled.
Why it matters now
EPSS 0.0192 80th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 3 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2016-7967
- 2026-10-03 Alias added: GHSA-99pq-r374-7jh3
References
More KDE Kmail vulnerabilities
- TI-2016-06693 Through a malicious URL that contained a quote character it was possible to inject HTML… CVSS 3.0HIGH 7.3
- TI-2017-07005 KDE kmail before 5.5.2 and messagelib before 5.5.2, as distributed in KDE Applications… CVSS 3.0HIGH 7.5
- TI-2017-12946 The S/MIME specification allows a Cipher Block Chaining (CBC) malleability-gadget attack… CVSS 3.0MEDIUM 5.9
- TI-2020-09548 An issue was discovered in KDE KMail before 19.12.3. CVSS 3.1MEDIUM 6.5
- TI-2016-06695 KMail since version 5.3.0 used a QWebEngine based viewer that had JavaScript enabled. CVSS 3.0MEDIUM 6.5
- TI-2020-12566 KDE KMail 19.12.3 (aka 5.13.3) engages in unencrypted POP3 communication during times… CVSS 3.1MEDIUM 6.5
Sources
- CVE-2016-7967 · CVE Program
- CVE-2016-7967 · NVD
- FIRST EPSS
- GHSA-99pq-r374-7jh3 · GitHub Advisory Database · CC BY 4.0
- CVE-2016-7967 · 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