CVE-2019-9021
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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 10.1%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
Description
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.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 10.06% probability · 96th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- php/php · debian/debian linux · canonical/ubuntu linux · netapp/storage automation store · opensuse/leap
- Source
- cve@mitre.org
EPSS 10.1% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00083.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00104.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00041.html
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00044.html
- http://www.securityfocus.com/bid/106747Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/107156Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2019:2519
- https://access.redhat.com/errata/RHSA-2019:3299
- https://bugs.php.net/bug.php?id=77247Exploit, Issue Tracking, Patch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20190321-0001/Third Party Advisory
- https://usn.ubuntu.com/3902-1/Third Party Advisory
- https://usn.ubuntu.com/3902-2/Third Party Advisory
- https://www.debian.org/security/2019/dsa-4398Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00083.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00104.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00041.html
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00044.html
- http://www.securityfocus.com/bid/106747Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/107156Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2019:2519
- https://access.redhat.com/errata/RHSA-2019:3299
- https://bugs.php.net/bug.php?id=77247Exploit, Issue Tracking, Patch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20190321-0001/Third Party Advisory
- https://usn.ubuntu.com/3902-1/Third Party Advisory
- https://usn.ubuntu.com/3902-2/Third Party Advisory
- https://www.debian.org/security/2019/dsa-4398Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.