KMail since version 5.3.0 used a QWebEngine based viewer that had JavaScript enabled.
Priority LOW 31CWE-94Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-94.
Summary
KMail since version 5.3.0 used a QWebEngine based viewer that had JavaScript enabled. HTML Mail contents were not sanitized for JavaScript and included code was executed.
Why it matters now
EPSS 0.01174 67th 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-2016-7968
- 2026-10-03 Alias added: GHSA-grrh-62pc-382r
References
More KDE Kmail vulnerabilities
- TI-2016-06694 KMail since version 5.3.0 used a QWebEngine based viewer that had JavaScript enabled. CVSS 3.0HIGH 8.1
- 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-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-2016-7968 · CVE Program
- CVE-2016-7968 · NVD
- FIRST EPSS
- GHSA-grrh-62pc-382r · GitHub Advisory Database · CC BY 4.0
- CVE-2016-7968 · 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