Buffer overflow in Clamav

CVE-2017-6419

mspack/lzxd.c in libmspack 0.5alpha, as used in ClamAV 0.99.2, allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted CHM file.

Vulnerability class: Buffer Overflow

EPSS: 0.020 (77.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-6419?
CVE-2017-6419 is a high-severity vulnerability in Clamav, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2017-08-07.
How severe is CVE-2017-6419?
High severity. CVSS v3 base score is 7.8 out of 10.