How severe is CVE-2016-7967?

CVE-2016-7967 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2016-7967 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-7967?

CVE-2016-7967 affects Kde Kmail. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-7967?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-7967 published?

CVE-2016-7967 was published on 2016-12-23 and last updated on 2026-06-17.

CVE-2016-7967

CVE-2016-7967 is a high-severity vulnerability in Kde Kmail with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 5.8
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Kde Kmail
Published: 2016-12-23
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2016-7967?: 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.
How severe is CVE-2016-7967?: CVE-2016-7967 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2016-7967 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-7967?: CVE-2016-7967 affects Kde Kmail. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-7967?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-7967 published?: CVE-2016-7967 was published on 2016-12-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:kde:kmail:*:*:*:*:*:*:*:*

More vulnerabilities in Kde Kmail

CVE-2017-9604 — High (CVSS 7.5): KDE kmail before 5.5.2 and messagelib before 5.5.2, as distributed in KDE Applications before 17.04.2, do not ensure…
CVE-2016-7966 — High (CVSS 7.3): Through a malicious URL that contained a quote character it was possible to inject HTML code in KMail's plaintext…
CVE-2020-15954 — Medium (CVSS 6.5): KDE KMail 19.12.3 (aka 5.13.3) engages in unencrypted POP3 communication during times when the UI indicates that…
CVE-2020-11880 — Medium (CVSS 6.5): An issue was discovered in KDE KMail before 19.12.3. By using the proprietary (non-RFC6068) "mailto?attach=..."…
CVE-2016-7968 — Medium (CVSS 6.5): KMail since version 5.3.0 used a QWebEngine based viewer that had JavaScript enabled. HTML Mail contents were not…
CVE-2017-17689 — Medium (CVSS 5.9): The S/MIME specification allows a Cipher Block Chaining (CBC) malleability-gadget attack that can indirectly lead to…

All CVEs affecting Kde Kmail →

Other CWE-94 (Code Injection) vulnerabilities

CVE-2026-57624 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Blocksy Companion Pro <= 2.1.46 versions.
CVE-2026-10134 — Critical (CVSS 10.0): IBM Langflow OSS 1.0.0 through 1.9.3 allows an attacker to read every secret available to the Langflow process, read…
CVE-2026-53576 — Critical (CVSS 10.0): Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, the authentication filter…
CVE-2026-10561 — Critical (CVSS 10.0): IBM Langflow OSS 1.0.0 through 1.9.3 has an vulnerability due to an improper isolation of Python execution combined…
CVE-2026-25470 — Critical (CVSS 10.0): Improper Control of Generation of Code ('Code Injection') vulnerability in ACPT ACPT (Pro) - Custom Post Types Plugin…
CVE-2026-48836 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Easy Invoice <= 2.1.19 versions.

Browse all CWE-94 (Code Injection) vulnerabilities →