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CVE-2021-21359: Denial of Service in Page Error Handling

medium Affects typo3/cms, typo3/cms-core. Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

Denial of Service in Page Error Handling

Package
typo3/cms Composer
Affected versions
>=10.0.0 and <10.4.14 or >=11.0.0 and <11.1.1 or >=9.0.0 and <9.5.25
Fixed in
10.4.14, 11.1.1, 9.5.25
Severity
medium  CVSS 5.9
Exploitation
not on CISA KEV · EPSS 2% (77.5th percentile)
Published
2021-03-23
Source
osv.dev

References

Denial of Service in Page Error Handling

Package
typo3/cms-core Composer
Affected versions
>=10.0.0 and <10.4.14 or >=11.0.0 and <11.1.1 or >=9.0.0 and <9.5.25
Fixed in
10.4.14, 11.1.1, 9.5.25
Severity
medium  CVSS 5.9
Exploitation
not on CISA KEV · EPSS 2% (77.5th percentile)
Published
2021-03-23
Source
osv.dev

References

CWE-405CWE-674
NVD recordtypo3/cms advisoriestypo3/cms-core advisories

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