CVE-2023-38537

MEDIUM

WhatsApp < 2.2338.12 - Use-After-Free via Network Transport Race Condition

Title source: llm
STIX 2.1

Description

A race condition in a network transport subsystem led to a heap use-after-free issue in established or unsilenced incoming audio/video calls that could have resulted in app termination or unexpected control flow with very low probability.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_confirm
https://www.whatsapp.com/security/advisories/2023/

Scores

CVSS v3 5.6
EPSS 0.0024
EPSS Percentile 14.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-362
Status published
Products (1)
whatsapp/whatsapp < 2.2338.12
Published Oct 04, 2023
Tracked Since Feb 18, 2026