geopy: Regular Expression Denial of Service (ReDoS) in geopy.Point

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-77387
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-01 17:17:31 UTC
Updated2026-10-01 18:17:27 UTC
Descriptiongeopy is a geocoding library for Python. Prior to 2.5.0, geopy.Point and Point.from_string() can spend excessive CPU time due to inefficient regular-expression behavior when an application passes a long malformed coordinate string without the 256-character input limit used by the fix. Geocoder reverse methods also reach the vulnerable parsing path when called with string inputs. Repeated attacker-controlled requests can cause a denial of service, while the numeric Point constructor is unaffected. This issue is fixed in version 2.5.0.

Risk And Classification

Primary CVSS: v3.1 4 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Problem Types: CWE-1333 | CWE-1333 CWE-1333: Inefficient Regular Expression Complexity

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
3.1CNADECLARED4MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Geopy Geopy affected < 2.5.0 Not specified

References

ReferenceSourceLinkTags
github.com/geopy/geopy/commit/5d09fa843f90ec80788b61552539c9fd3ae6c528 [email protected] github.com
github.com/geopy/geopy/pull/610 [email protected] github.com
github.com/geopy/geopy/issues/608 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
github.com/geopy/geopy/security/advisories/GHSA-mhvh-fq92-pfmr [email protected] github.com
github.com/geopy/geopy/releases/tag/2.5.0 [email protected] github.com
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