CVE-2023-49316
Duplicate Advisory: phpseclib vulnerable to denial of service
7.5
HIGH
CVSS 3.1
EPSS 0.15%
Description
In Math/BinaryField.php in phpseclib 3 before 3.0.34, excessively large degrees can lead to a denial of service.
How to fix CVE-2023-49316
To remediate CVE-2023-49316, upgrade the affected package to a fixed version below.
- Debian/php-phpseclib3—upgrade to 3.0.19-1+deb12u1 or later
- Packagist/phpseclib/phpseclib—upgrade to 3.0.34 or later
- —upgrade to 3.0.34 or later
Is CVE-2023-49316 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 3.0.19-1+deb12u1
- >= 3.0.0, < 3.0.34
- >= 3.0.0, < 3.0.34
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |