vulnerability
Red Hat: CVE-2021-3592: CVE-2021-3592 QEMU: slirp: invalid pointer initialization may lead to information disclosure (bootp) (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 2 | (AV:L/AC:L/Au:N/C:P/I:N/A:N) | Jun 15, 2021 | Nov 10, 2021 | Mar 27, 2026 |
Severity
2
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:N)
Published
Jun 15, 2021
Added
Nov 10, 2021
Modified
Mar 27, 2026
Description
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.
Solutions
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