CVE-2022-31627
Last modified
CVE-2022-31627 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. In PHP versions 8.1.x below 8.1.8, when fileinfo functions, such as finfo_buffer, due to incorrect patch applied to the third party code from libmagic, incorrect function may be used to free allocated memory, which may lead to heap corruption.. EPSS estimates a 1.65% chance of exploitation in the next 30 days.
Description
In PHP versions 8.1.x below 8.1.8, when fileinfo functions, such as finfo_buffer, due to incorrect patch applied to the third party code from libmagic, incorrect function may be used to free allocated memory, which may lead to heap corruption.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Php | Php | >= 8.1.0, < 8.1.8 |
References
- https://bugs.php.net/bug.php?id=81723Exploit, Issue Tracking, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202209-20Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220826-0008/Third Party Advisory
- https://bugs.php.net/bug.php?id=81723Exploit, Issue Tracking, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202209-20Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220826-0008/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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