Medium severity · published Oct 4, 2023
CVE-2023-38537
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…
5.6
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 20% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WH
Whatsapp · Whatsapp
before 2.2338.12 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-38537
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-38537
Vendor Advisory
https://www.whatsapp.com/security/advisories/2023/
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