Out-of-bounds Read in Webmproject Libwebm
CVE-2018-6406
The function ParseVP9SuperFrameIndex in common/libwebm_util.cc in libwebm through 2018-01-30 does not validate the child_frame_length data obtained from a .webm file, which allows remote attackers to cause an information leak or a denial of service (heap-based buffer over-read and later out-of-bounds write), or possibly have unspecified other impact.
Vulnerability class: Buffer Overflow
EPSS: 0.020 (78.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Webmproject Libwebm
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Permissions Required, x_refsource_MISC)
- cve@mitre.org (x_refsource_MISC, Broken Link)
Frequently asked questions
- What is CVE-2018-6406?
- CVE-2018-6406 is a high-severity vulnerability in Webmproject Libwebm, classified under Out-of-bounds Read. CVSS score: 8.8/10. Published 2018-01-30.
- How severe is CVE-2018-6406?
- High severity. CVSS v3 base score is 8.8 out of 10.