CVE-2010-1311

CVE-2010-1311 is a medium-severity vulnerability in Clamav with a CVSS 2.0 base score of 5.0. 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-20.

Key facts

Description

The qtm_decompress function in libclamav/mspack.c in ClamAV before 0.96 allows remote attackers to cause a denial of service (memory corruption and application crash) via a crafted CAB archive that uses the Quantum (aka .Q) compression format. NOTE: some of these details are obtained from third party information.

Frequently asked questions

What is CVE-2010-1311?
The qtm_decompress function in libclamav/mspack.c in ClamAV before 0.96 allows remote attackers to cause a denial of service (memory corruption and application crash) via a crafted CAB archive that uses the Quantum (aka .Q) compression format. NOTE: some of these details are obtained from third party information.
How severe is CVE-2010-1311?
CVE-2010-1311 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2010-1311 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-1311?
CVE-2010-1311 primarily affects Clamav. In total, 96 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-1311?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-1311 published?
CVE-2010-1311 was published on 2010-04-08 and last updated on 2026-06-16.

References

Affected products (96)

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