Google Android up to 17 rw_mfc.cc rw_mfc_handle_read_op heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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9.5$25k-$100k0.00+

Summaryinfo

A vulnerability, which was classified as very critical, was found in Google Android 14/15/16/16-qpr2/17. This impacts the function rw_mfc_handle_read_op of the file rw_mfc.cc. The manipulation results in heap-based overflow. This vulnerability is reported as CVE-2026-49882. The attack can be launched remotely. No exploit exists. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as very critical, was found in Google Android 14/15/16/16-qpr2/17. Affected is the function rw_mfc_handle_read_op of the file rw_mfc.cc. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In rw_mfc_handle_read_op of rw_mfc.cc, there is a possible memory safety issue due to a heap buffer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

The advisory is shared for download at source.android.com. This vulnerability is traded as CVE-2026-49882 since 06/02/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $25k-$100k (estimation calculated on 09/08/2026).

Applying a patch is able to eliminate this problem.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/02/2026 CVE reserved
09/08/2026 +98 days Advisory disclosed
09/08/2026 +0 days VulDB entry created
09/08/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: google.com

Advisory: source.android.com
Status: Confirmed

CVE: CVE-2026-49882 (🔒)
GCVE (CVE): GCVE-0-2026-49882
GCVE (VulDB): GCVE-100-400332
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 09/08/2026 21:43
Changes: 09/08/2026 21:43 (58)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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