CVE-2013-2021

CVE-2013-2021 is a medium-severity vulnerability in Clamav with a CVSS 2.0 base score of 4.3. 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-119.

Key facts

Description

pdf.c in ClamAV 0.97.1 through 0.97.7 allows remote attackers to cause a denial of service (out-of-bounds-read) via a crafted length value in an encrypted PDF file.

Frequently asked questions

What is CVE-2013-2021?
pdf.c in ClamAV 0.97.1 through 0.97.7 allows remote attackers to cause a denial of service (out-of-bounds-read) via a crafted length value in an encrypted PDF file.
How severe is CVE-2013-2021?
CVE-2013-2021 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2013-2021 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-2021?
CVE-2013-2021 primarily affects Clamav. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-2021?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-2021 published?
CVE-2013-2021 was published on 2013-05-13 and last updated on 2026-06-16.

References

Affected products (14)

More vulnerabilities in Clamav

All CVEs affecting Clamav →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →