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Vulnerability record · CVE-2019-11830 · published 9 May 2019

CVE-2019-11830: Typo3 pharstreamwrapper deserialization of untrusted data vulnerability

Typo3 · Pharstreamwrapper

PharMetaDataInterceptor in the PharStreamWrapper (aka phar-stream-wrapper) package 2.x before 2.1.1 and 3.x before 3.1.1 for TYPO3 mishandles Phar stub parsing, which allows attackers to bypass a deserialization protection mechanism.

9.8 CVSS 3.0 Critical EPSS 2.7% · top 14.8% CWE-502 · Deserialization of untrusted data
9.8CVSS 3.0 base score, v2 7.5
2.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References
17 Jun 2026Last modified by NVD

Description

PharMetaDataInterceptor in the PharStreamWrapper (aka phar-stream-wrapper) package 2.x before 2.1.1 and 3.x before 3.1.1 for TYPO3 mishandles Phar stub parsing, which allows attackers to bypass a deserialization protection mechanism.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/TYPO3/phar-stream-wrapper/releases/tag/v2.1.1 Release NotesThird Party Advisory
https://github.com/TYPO3/phar-stream-wrapper/releases/tag/v3.1.1 Release NotesThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/65ODQHDHWR74L6TCAPAQR5F
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AUEXS4HRI4XZ2DTZMWAVQBY
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U6JX7WR6DPMKCZQP7EYFACY
https://typo3.org/security/advisory/typo3-psa-2019-008/ Vendor Advisory
https://github.com/TYPO3/phar-stream-wrapper/releases/tag/v2.1.1 Release NotesThird Party Advisory
https://github.com/TYPO3/phar-stream-wrapper/releases/tag/v3.1.1 Release NotesThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/65ODQHDHWR74L6TCAPAQR5F
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AUEXS4HRI4XZ2DTZMWAVQBY
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U6JX7WR6DPMKCZQP7EYFACY
https://typo3.org/security/advisory/typo3-psa-2019-008/ Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-11830), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.