heap-buffer-overflow in phar_extract_file
Priority MEDIUM 46CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
In PHP versions 7.3.x below 7.3.15 and 7.4.x below 7.4.3, while extracting PHAR files on Windows using phar extension, certain content inside PHAR file could lead to one-byte read past the allocated buffer. This could potentially lead to information disclosure or crash.
Why it matters now
EPSS 0.04075 90th percentileScored 2026-11-08
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed PHP (PHP Group): 7.3.15, 7.4.3
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| PHP Group | PHP | 7.3.x to before 7.3.15; 7.4.x to before 7.4.3 | 7.3.15, 7.4.3 | Patch available | CNA |
- PHP VendorPHP Group Affected 7.3.x to before 7.3.15; 7.4.x to before 7.4.3 Fixed in 7.3.15, 7.4.3 Patch available CNA
Remediation
- Fix · CNA PHP (PHP Group) Fixed in 7.3.15, 7.4.3
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 5 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Software Collections
Timeline
- 2026-10-02 Threatist record created from CVE-2020-7061
- 2026-10-03 Alias added: GHSA-q6h5-x7cx-j9jg
References
Advisory 1
More PHP Group vulnerabilities
- TI-2024-04260 Argument Injection in PHP-CGI KEVCVSS 3.1CRITICAL 9.8
- TI-2026-78794 PHP remote code execution via stale global state KEVCVSS 4.0CRITICAL 9.2
- TI-2026-78793 Out-of-memory handling flaw in PHP allows remote code execution KEVCVSS 4.0CRITICAL 9.2
- TI-2024-01743 Command injection via array-ish $command parameter of proc_open() CVSS 3.1CRITICAL 9.4
- TI-2022-13555 PDO::quote() may return unquoted string CVSS 3.1CRITICAL 9.1
- TI-2024-10408 Reference counting in php_request_shutdown causes Use-After-Free CVSS 4.0CRITICAL 9.2
Sources
- CVE-2020-7061 · CVE Program
- CVE-2020-7061 · NVD
- FIRST EPSS
- GHSA-q6h5-x7cx-j9jg · GitHub Advisory Database · CC BY 4.0
- CVE-2020-7061 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences