CVE-2015-2729: Mozilla Firefox

Medium severity, CVSS 5.0. EPSS: 2.7% chance of exploitation in the next 30 days.

The AudioParamTimeline::AudioNodeInputValue function in the Web Audio implementation in Mozilla Firefox before 39.0 and Firefox ESR 38.x before 38.1 does not properly calculate an oscillator rendering range, which allows remote attackers to obtain sensitive information from process memory or cause a denial of service (out-of-bounds read) via unspecified vectors.

Affected products

  • Mozilla Firefox: version 31.0 only; version 31.1.0 only; version 31.1.1 only; version 31.3.0 only; version 31.5.1 only; version 31.5.2 only; …
  • Mozilla Firefox ESR: version 31.1 only; version 31.2 only; version 31.3 only; version 31.4 only; version 31.5 only; version 31.6.0 only; …
  • Mozilla Thunderbird: up to and including 38.0.1
  • Oracle Solaris: version 11.3 only

Published 2015-07-06. Last modified 2026-06-17.