How severe is CVE-2019-9824?

CVE-2019-9824 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2019-9824 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-9824?

CVE-2019-9824 affects Qemu. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-9824?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-9824 published?

CVE-2019-9824 was published on 2019-06-03 and last updated on 2026-06-17.

CVE-2019-9824

CVE-2019-9824 is a medium-severity vulnerability in Qemu with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-908.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-908
Affected product: Qemu
Published: 2019-06-03
Last modified: 2026-06-17

Description

tcp_emu in slirp/tcp_subr.c (aka slirp/src/tcp_subr.c) in QEMU 3.0.0 uses uninitialized data in an snprintf call, leading to Information disclosure.

Frequently asked questions

What is CVE-2019-9824?: tcp_emu in slirp/tcp_subr.c (aka slirp/src/tcp_subr.c) in QEMU 3.0.0 uses uninitialized data in an snprintf call, leading to Information disclosure.
How severe is CVE-2019-9824?: CVE-2019-9824 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-9824 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-9824?: CVE-2019-9824 affects Qemu. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-9824?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-9824 published?: CVE-2019-9824 was published on 2019-06-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:qemu:qemu:3.0.0:*:*:*:*:*:*:*

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