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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2021-3592
HistoryJun 15, 2021 - 9:15 p.m.

CVE-2021-3592

2021-06-1521:15:00
Debian Security Bug Tracker
security-tracker.debian.org
11

0.0005 Low

EPSS

Percentile

16.8%

An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the bootp_input() function and could occur while processing a udp packet that is smaller than the size of the ‘bootp_t’ structure. A malicious guest could use this flaw to leak 10 bytes of uninitialized heap memory from the host. The highest threat from this vulnerability is to data confidentiality. This flaw affects libslirp versions prior to 4.6.0.