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vulnrichmentFacebookVULNRICHMENT:CVE-2023-38538
HistoryOct 04, 2023 - 7:10 p.m.

CVE-2023-38538

2023-10-0419:10:49
facebook
github.com
race condition
event subsystem
heap use-after-free
audio/video calls

CVSS3

5

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

AI Score

7.2

Confidence

Low

SSVC

Exploitation

none

Automatable

no

Technical Impact

partial

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.

CVSS3

5

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

AI Score

7.2

Confidence

Low

SSVC

Exploitation

none

Automatable

no

Technical Impact

partial

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