VDB
CVE-2019-9021
CVE-2019-9021
PUBLISHED
An issue was discovered in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1. A heap-based buffer over-read in PHAR reading functions in the PHAR extension may allow an attacker to read allocated or unallocated memory past the actual data when trying to parse the file name, a different vulnerability than CVE-2018-20783. This is related to phar_detect_phar_fname_ext in ext/phar/phar.c.
EPSS 25.11% · 96.3th percentile
Risk Scores
EPSS Score
25.11%
96.3th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:14.04:LTS | php5 | 5.5.9+dfsg-1ubuntu4.26, *, * |
| Ubuntu:16.04:LTS | php7.0 | 7.0.30-0ubuntu0.16.04.1, 0, 7.0.1-5 |
| Ubuntu:18.04:LTS | php7.2 | 0, 7.2.10-0ubuntu0.18.04.1, 7.2.7-0ubuntu0.18.04.2 |
Timeline
- CVE Published
- Oct 10, 2020 PoC Published
- Apr 14, 2021 EPSS Score
- Feb 4, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Jul 15, 2024 EPSS Score
- Dec 17, 2024 EPSS Score
- Mar 29, 2025 EPSS Score
- Mar 30, 2025 EPSS Score
- May 4, 2025 EPSS Score
- Jun 1, 2025 EPSS Score
- Jun 4, 2025 EPSS Score
References
- https://ubuntu.com/security/CVE-2019-9021 third-party-advisory
- https://ubuntu.com/security/notices/USN-3902-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-3902-2 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2019-9021 third-party-advisory