CVE-2026-55256

In parsePartHeaders of multiple files, there is a possible persistent denial of service due to improper input validation. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://source.android.com/docs/security/bulletin/2026/2026-09-01	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:google:android:14.0:::::::*
	cpe:2.3:o:google:android:15.0:::::::*
	cpe:2.3:o:google:android:16.0:-::::::
	cpe:2.3:o:google:android:16.0:qpr2::::::
	cpe:2.3:o:google:android:17.0:-::::::

History

24 Sep 2026, 15:42

Type	Values Removed	Values Added
First Time		Google Google android
CPE		cpe:2.3:o:google:android:16.0:qpr2:::::: cpe:2.3:o:google:android:17.0:-:::::: cpe:2.3:o:google:android:14.0:::::::* cpe:2.3:o:google:android:15.0:::::::* cpe:2.3:o:google:android:16.0:-::::::
References	~~() https://source.android.com/docs/security/bulletin/2026/2026-09-01 -~~	() https://source.android.com/docs/security/bulletin/2026/2026-09-01 - Vendor Advisory

Information

Published : 2026-09-08 19:18

Updated : 2026-09-24 15:42

NVD link : CVE-2026-55256

Mitre link : CVE-2026-55256

CVE.ORG link : CVE-2026-55256

JSON object : View

Products Affected

google

android

CWE

CWE-20

Improper Input Validation

{"id": "CVE-2026-55256", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-55256", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-10T15:40:12.250851Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "affected": [{"source": "security@android.com", "affectedData": [{"vendor": "Google", "product": "Android", "versions": [{"status": "affected", "version": "17"}, {"status": "affected", "version": "16-qpr2"}, {"status": "affected", "version": "16"}, {"status": "affected", "version": "15"}, {"status": "affected", "version": "14"}], "defaultStatus": "unaffected"}]}], "published": "2026-09-08T19:18:00.540", "references": [{"url": "https://source.android.com/docs/security/bulletin/2026/2026-09-01", "tags": ["Vendor Advisory"], "source": "security@android.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "In parsePartHeaders of multiple files, there is a possible persistent denial of service due to improper input validation. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation."}], "lastModified": "2026-09-24T15:42:54.473", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:google:android:14.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2700BCC5-634D-4EC6-AB67-5B678D5F951D"}, {"criteria": "cpe:2.3:o:google:android:15.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8538774C-906D-4B03-A3E7-FA7A55E0DA9E"}, {"criteria": "cpe:2.3:o:google:android:16.0:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "02882AB1-7993-47DD-84A0-8DF4272D85ED"}, {"criteria": "cpe:2.3:o:google:android:16.0:qpr2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9123E1DD-8607-427B-82B9-6E44B96C90F1"}, {"criteria": "cpe:2.3:o:google:android:17.0:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E3D15FD9-304E-4270-81C7-C8D9024D457D"}], "operator": "OR"}]}], "sourceIdentifier": "security@android.com"}