cve.bz

CVE-2020-7039

5.6 mediumEPSS 3.6%

Medium (5.6). EPSS 3.6% chance of exploitation in the next 30 days.

tcp_emu in tcp_subr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanages memory, as demonstrated by IRC DCC commands in EMU_IRC. This can cause a heap-based buffer overflow or other out-of-bounds access which can lead to a DoS or potential execute arbitrary code.

Severity

CVSS 3.1

5.6 medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS
3.6% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-31)
CWE
CWE-787
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON