CVE-2018-18503: Buffer Overflow

Reference Links

• https://www.mozilla.org/security/advisories/mfsa2019-01/
• https://usn.ubuntu.com/3874-1/
• http://www.securityfocus.com/bid/106773
• https://launchpad.net/bugs/cve/CVE-2018-18503
• https://bugzilla.mozilla.org/show_bug.cgi?id=1509442
• https://www.mozilla.org/en-US/security/advisories/mfsa2019-01/
• https://www.mozilla.org/en-US/security/advisories/mfsa2019-01/#CVE-2018-18500
• https://www.mozilla.org/en-US/security/advisories/mfsa2019-01/#CVE-2018-18503
• https://security-tracker.debian.org/tracker/CVE-2018-18503
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18503
• https://nvd.nist.gov/vuln/detail/CVE-2018-18503
• https://ubuntu.com/security/CVE-2018-18503

Parent vulnerabilities

(Appears in the following advisories)

• MFSA2019-01

Peer vulnerabilities

(Found alongside the following vulnerabilities)

• CVE-2018-18500
• CVE-2018-18504
• CVE-2018-18505
• CVE-2018-18503
• CVE-2018-18506
• CVE-2018-18502
• CVE-2018-18501

Frequently Asked Questions

• What is CVE-2018-18503?

  CVE-2018-18503 is a vulnerability that can potentially cause a crash when JavaScript is used to create and manipulate an audio buffer in Firefox version 65 and earlier.

• How severe is CVE-2018-18503?

  CVE-2018-18503 has a severity rating of 8.8, which is considered high.

• Which software is affected by CVE-2018-18503?

  Firefox versions earlier than 65 are affected by CVE-2018-18503.

• How can I fix CVE-2018-18503?

  To fix CVE-2018-18503, make sure you update your Firefox browser to version 65 or later.

• Where can I find more information about CVE-2018-18503?

  You can find more information about CVE-2018-18503 on the Mozilla security advisories website and the Bugzilla page linked in the references.