CVE-2019-11830
PharStreamWrapper for Typo3 unsafe deserialization vulnerability
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2019-11830- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-502
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2019-11830- Updated
- 2026-11-02
EUVDEUVD-2022-2198 No score
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.
- Record
EUVD-2022-2198- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3hxw-g85p-qgxm
PharStreamWrapper for Typo3 unsafe deserialization vulnerability
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.
- Record
GHSA-3hxw-g85p-qgxm- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2019-11830- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-3hxw-g85p-qgxm
PharStreamWrapper for Typo3 unsafe deserialization vulnerability
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.
- Record
GHSA-3hxw-g85p-qgxm- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
typo3/phar-stream-wrapperPackagist |
2.0.0 up to 2.1.1 | 2.1.1 |
typo3/phar-stream-wrapperPackagist |
3.0.0 up to 3.1.1 | 3.1.1 |
typo3/phar-stream-wrapperPackagist |
2.0.0 up to 2.1.1, plus listed versions v2.0.0v2.0.1v2.1.0 |
2.1.1 |
typo3/phar-stream-wrapperPackagist |
3.0.0 up to 3.1.1, plus listed versions v3.0.0v3.0.1v3.1.0 |
3.1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-11830 is a critical vulnerability (CVSS 9.8) in Typo3 Pharstreamwrapper, published May 9, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.67%, the 85th percentile. Fixed in typo3/phar-stream-wrapper 2.1.1.
References
typo3.org/security/advisory/typo3-psa-2019-008
github.com/TYPO3/phar-stream-wrapper/releases/tag/v3.1.1
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U6JX7WR6DPMKCZQP7EYFACYXSGJ3K523