Out-of-bounds Read in Libav

CVE-2017-18242

The apply_dependent_coupling function in libavcodec/aacdec.c in Libav 12.2 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted aac file.

Vulnerability class: Buffer Overflow

EPSS: 0.012 (65.2th 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 12.2
  • N/a — versions n/a

Weakness classification (CWE)

References

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

Frequently asked questions

What is CVE-2017-18242?
CVE-2017-18242 is a medium-severity vulnerability in Libav, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2018-03-22.
How severe is CVE-2017-18242?
Medium severity. CVSS v3 base score is 6.5 out of 10.