CVE-2012-1458
MEDIUMEPSS 99th pctlDescription
The Microsoft CHM file parser in ClamAV 0.96.4 and Sophos Anti-Virus 4.61.0 allows remote attackers to bypass malware detection via a crafted reset interval in the LZXC header of a CHM file. NOTE: this may later be SPLIT into multiple CVEs if additional information is published showing that the error occurred independently in different CHM parser implementations.
CVSS v2 Vector
No CVSS vector data available.
Exploit Intelligence
Very high risk: more likely to be exploited than 99% of all known CVEs.
References
- http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00002.html
- http://osvdb.org/80473
- http://osvdb.org/80474
- http://www.ieee-security.org/TC/SP2012/program.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:094
- http://www.securityfocus.com/archive/1/522005
- http://www.securityfocus.com/bid/52611
- https://exchange.xforce.ibmcloud.com/vulnerabilities/74301
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.