ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2026-113401

Denial-of-service in the PDF Viewer component.

Published Oct 20, 2026 · catalog updated Oct 20, 2026 · Denial-of-service in the PDF

Check if you run it

No confirmed exploitation is on record for CVE-2026-113401. EPSS is 0.35%. Act only if a listed version of Denial-of-service in the PDF is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Denial-of-service in the PDF).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.35%
Remediation
Advisory link
Affected products
See sources for product scope

Denial-of-service in the PDF Viewer component. This vulnerability was fixed in Firefox 158.0.1 and Thunderbird 158.0.1.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-113401

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-113401. EPSS is 0.35%. Act only if a listed version of Denial-of-service in the PDF is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-400: Uncontrolled Resource Consumption. EPSS 0.35%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 20, 2026 · NIST NVD

    Detected

    Denial-of-service in the PDF Viewer component. This vulnerability was fixed in Firefox 158.0.1.

  2. Oct 20, 2026 · NIST NVD

    Updated

    Denial-of-service in the PDF Viewer component. This vulnerability was fixed in Firefox 158.0.1.

  3. Oct 20, 2026 · NIST NVD

    Updated

    Denial-of-service in the PDF Viewer component. This vulnerability was fixed in Firefox 158.0.1 and Thunderbird 158.0.1.

Sources

  • BSI CERT-BundGovernment advisoryCVE-2026-113401

    Mozilla Produkte (Thunderbird, Firefox ESR und Firefox): Mehrere Schwachstellen

    wid.cert-bund.de
  • CVE.orgVulnerability recordCVE-2026-113401

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-113401

    30-day exploitation probability 0.35%

    first.org
  • Mozilla Security AdvisoriesVendor advisoryCVE-2026-113401

    Security Vulnerabilities fixed in Thunderbird 158.0.1 — Mozilla

    mozilla.org
  • NIST NVDVulnerability recordCVE-2026-113401

    Denial-of-service in the PDF Viewer component. This vulnerability was fixed in Firefox 158.0.1 and Thunderbird 158.0.1.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.