kbrain

CVE-2007-1997

HIGH · CVSS 7.5EPSS 5.4%EU EUVD

Integer signedness error in the (1) cab_unstore and (2) cab_extract functions in libclamav/cab.c in Clam AntiVirus (ClamAV) before 0.90.2 allow remote attackers to execute arbitrary code via a crafted CHM file that contains a negative integer, which passes a signed comparison and leads to a stack-based buffer overflow.

Key facts

CVSS score
7.5 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS score
5.4% (93th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2007-1991)
Published
April 16, 2007
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2007-1991 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • clam anti-virus / clamav
  • clam anti-virus / clamav
  • clam anti-virus / clamav
  • clam anti-virus / clamav
  • clam anti-virus / clamav
  • clam anti-virus / clamav

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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