What is CVE-2018-18828?

CVE-2018-18828 is a medium-severity vulnerability in Libav, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2018-10-30.

How severe is CVE-2018-18828?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Libav

CVE-2018-18828

There exists a heap-based buffer overflow in vc1_decode_i_block_adv in vc1_block.c in Libav 12.3, which allows attackers to cause a denial-of-service via a crafted aac file.

Vulnerability class: Buffer Overflow

EPSS: 0.009 (56.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Libav — versions 12.3
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2018-18828?: CVE-2018-18828 is a medium-severity vulnerability in Libav, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2018-10-30.
How severe is CVE-2018-18828?: Medium severity. CVSS v3 base score is 6.5 out of 10.