CVE-2023-27560

View on CVE.org

Published Mar 3, 2023 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed

Description

Math/PrimeField.php in phpseclib 3.x before 3.0.19 has an infinite loop with composite primefields.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:phpseclib:phpseclib:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
Debian DLA	DLA-3749-1	phpseclib security update
Debian DLA	DLA-3750-1	php-phpseclib security update
EUVD	EUVD-2023-1036	Math/PrimeField.php in phpseclib 3.x before 3.0.19 has an infinite loop with composite primefields.
Github GHSA	GHSA-hm7p-r324-hhf3	phpseclib Infinite Loop vulnerability

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.808% probability within 30 days)

Exploitation none

Automatable yes

Technical Impact partial

References

Link	Providers
https://github.com/phpseclib/phpseclib/commit/6298d1cd55c3ffa44533bd41906caec246b60440
https://github.com/phpseclib/phpseclib/releases/tag/3.0.19

History

Mar 6, 2025 9:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Phpseclib Phpseclib

Weaknesses

CWE-835

Sources

CVE record Updated: Mar 6, 2025, 8:19 PM

Status: PUBLISHED
Assigner: mitre
Published: Mar 3, 2023, 12:00 AM
Updated: Mar 6, 2025, 8:19 PM
Reserved: Mar 3, 2023, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 12:16 PM

Updated: Aug 2, 2024, 12:16 PM

NVD Updated: Jun 17, 2026, 5:45 AM

Status: Modified
Published: Mar 3, 2023, 6:15 AM
Modified: Jun 17, 2026, 5:45 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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