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cvelistMitreCVELIST:CVE-2021-34813
HistoryJun 16, 2021 - 5:11 p.m.

CVE-2021-34813

2021-06-1617:11:53
mitre
www.cve.org
3
matrix
libolm
stack-based buffer overflow
remote code execution
cve-2021-34813

AI Score

10

Confidence

High

EPSS

0.021

Percentile

89.3%

Matrix libolm before 3.2.3 allows a malicious Matrix homeserver to crash a client (while it is attempting to retrieve an Olm encrypted room key backup from the homeserver) because olm_pk_decrypt has a stack-based buffer overflow. Remote code execution might be possible for some nonstandard build configurations.

AI Score

10

Confidence

High

EPSS

0.021

Percentile

89.3%