CVE-2007-1997

no score yetEPSS 5.4%

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.

EPSS: 5.4% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-10-31)
Published: 2007-04-16
Modified: 2026-06-16
Record from: the NVD, synced 2026-10-19

Affected

clam_anti-virus:clamav

References

http://docs.info.apple.com/article.html?artnum=307562
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=513
http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html
http://secunia.com/advisories/24891
http://secunia.com/advisories/24920

Check your stack JSON