CVE-2019-11830

CRITICALNVD 9.89.8—

9.8

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 v3: 9.8
EG Score: 9.8(medium)
EPSS: 85.3%
KEV: Not listed

Published

May 9, 2019

Last Modified

November 21, 2024

References (12)

cve@mitrehttps://github.com/TYPO3/phar-stream-wrapper/releases/tag/v2.1.1
cve@mitrehttps://github.com/TYPO3/phar-stream-wrapper/releases/tag/v3.1.1
cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/65ODQHDHWR74L6TCAPAQR5FQHG6MCXAW/
cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AUEXS4HRI4XZ2DTZMWAVQBYBTFSJ34AR/
cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U6JX7WR6DPMKCZQP7EYFACYXSGJ3K523/
cve@mitrehttps://typo3.org/security/advisory/typo3-psa-2019-008/
af854a3a-2127-422b-91ae-364da2661108https://github.com/TYPO3/phar-stream-wrapper/releases/tag/v2.1.1
af854a3a-2127-422b-91ae-364da2661108https://github.com/TYPO3/phar-stream-wrapper/releases/tag/v3.1.1
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/65ODQHDHWR74L6TCAPAQR5FQHG6MCXAW/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AUEXS4HRI4XZ2DTZMWAVQBYBTFSJ34AR/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U6JX7WR6DPMKCZQP7EYFACYXSGJ3K523/
af854a3a-2127-422b-91ae-364da2661108https://typo3.org/security/advisory/typo3-psa-2019-008/

Affected Packages

(1 across 1 ecosystem)

Packagist(1)

Package	Vulnerable range	Fixed in	Dependents
typo3/phar-stream-wrapper	v3.0.0, v3.0.1, v3.1.0	3.1.1	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-502Deserialization of Untrusted Data

Data Freshness Timeline

(refreshed 10× in last 7d / 16× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 19:48 UTCEG score recompute
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 22:16 UTCOSV refresh

Frequently asked(5)

What is CVE-2019-11830?

CVE-2019-11830 is a critical vulnerability published on May 9, 2019. 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.

When was CVE-2019-11830 disclosed?

CVE-2019-11830 was first published in the National Vulnerability Database on May 9, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2019-11830 actively exploited?

CVE-2019-11830 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 85.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-11830?

CVE-2019-11830 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2019-11830?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-11830, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2019-11830

📅 Published

🔄 Last Modified

🔗 References (12)

Affected Packages

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-11830?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (12)

Frequently asked(5)

Related CVEs(same CWE)