Description
In PHP versions 7.4.x below 7.4.28, 8.0.x below 8.0.16, and 8.1.x below 8.1.3, when using filter functions with FILTER_VALIDATE_FLOAT filter and min/max limits, if the filter fails, there is a possibility to trigger use of allocated memory after free, which can result it crashes, and potentially in overwrite of other memory chunks and RCE. This issue affects: code that uses FILTER_VALIDATE_FLOAT with min/max limits.
Details
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| php7.4 | — | 7.4.3-4ubuntu2.9 |
| php8.1 | — | 8.1.2-1ubuntu1 |
References
Similar Threats
- Unknown CLSA-2026-1779123668
- Unknown CLSA-2026-1778787692
- Unknown CLSA-2025-1766599216
- Unknown CLSA-2025-1758289909
- Unknown DEBIAN-CVE-2022-31631
Patch Gap Protection
Running software with known vulnerabilities?
BotEraser can help reduce exposure by blocking IPs associated with exploit activity — even before a patch is available.
Start Free →No credit card required · Results in minutes
ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.