ReviewHigh

CVE-2023-25747

Mozilla Firefox for Android, firefox mobile

A potential use-after-free in libaudio was fixed by disabling the AAudio backend when running on Android API below version 30. *This bug only affects Firefox for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox for Android < 110.1.0.

CVSS
7.5
EPSS
0.60%
46.5% percentile
CISA KEV
Not listed
Published
2023.06.19
PRIORITY ASSESSMENT

Review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.60%
Technical severityCVSS 7.5

Vulnerability overview

A potential use-after-free in libaudio was fixed by disabling the AAudio backend when running on Android API below version 30. *This bug only affects Firefox for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox for Android < 110.1.0.

Affected product and versions

Product
Mozilla Firefox for Android, firefox mobile
Affected versions
>= unspecified < 110.1.0, < 110.1
Fixed versions
110.1

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Mozilla Firefox for Android, firefox mobile and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
CWE-416