CVE-2023-38538

A race condition in an event subsystem led to a heap use-after-free issue in established audio/video calls that could have resulted in app termination or unexpected control flow with very low probability.
Race Condition
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
facebookCNA
5 MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C
CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 26%
VendorProductVersion
whatsappwhatsapp
𝑥
< 2.2320.2
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.whatsapp.com/security/advisories/2023/
https://www.whatsapp.com/security/advisories/2023/