How severe is CVE-2007-1320?

CVE-2007-1320 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2007-1320 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-1320?

CVE-2007-1320 primarily affects Qemu. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-1320?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2007-1320 published?

CVE-2007-1320 was published on 2007-05-02 and last updated on 2026-06-16.

CVE-2007-1320

CVE-2007-1320 is a high-severity vulnerability in Qemu with a CVSS 2.0 base score of 7.2. 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-787.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Qemu
Published: 2007-05-02
Last modified: 2026-06-16

Description

Multiple heap-based buffer overflows in the cirrus_invalidate_region function in the Cirrus VGA extension in QEMU 0.8.2, as used in Xen and possibly other products, might allow local users to execute arbitrary code via unspecified vectors related to "attempting to mark non-existent regions as dirty," aka the "bitblt" heap overflow.

Frequently asked questions

What is CVE-2007-1320?: Multiple heap-based buffer overflows in the cirrus_invalidate_region function in the Cirrus VGA extension in QEMU 0.8.2, as used in Xen and possibly other products, might allow local users to execute arbitrary code via unspecified vectors related to "attempting to mark non-existent regions as dirty," aka the "bitblt" heap overflow.
How severe is CVE-2007-1320?: CVE-2007-1320 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2007-1320 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-1320?: CVE-2007-1320 primarily affects Qemu. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-1320?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2007-1320 published?: CVE-2007-1320 was published on 2007-05-02 and last updated on 2026-06-16.

References

Affected products (8)

cpe:2.3:a:qemu:qemu:0.8.2:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:8:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:9:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora_core:6:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:11.0:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:11.1:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:3.1:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:4.0:*:*:*:*:*:*:*

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