CVE-2023-25747Network attack vector

Browser crash via libaudio use-after-free

Published Jun 19, 2023 · Updated Dec 11, 2024

Use-after-free in libaudio in Mozilla Firefox for Android before 110.1.0 allows remote attackers to crash the browser during audio playback. The Android audio path selects the AAudio backend on API level 30 and earlier, where libaudio can access freed memory during callback processing. Affected devices can experience a SIGSEGV browser crash; Mozilla reports no effect on other Firefox variants.

CVSS severity7.5
High
EPSS probability0.60%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Use-after-free in libaudio in Mozilla Firefox for Android before 110.1.0 allows remote attackers to crash the browser during audio playback. The Android audio path selects the AAudio backend on API level 30 and earlier, where libaudio can access freed memory during callback processing. Affected devices can experience a SIGSEGV browser crash; Mozilla reports no effect on other Firefox variants.

The record

CVE
CVE-2023-25747
Published
Jun 19, 2023
Updated
Dec 11, 2024
Vendor
Mozilla
Product
Firefox for Android
Classifications
CWE-416
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 19, 2023CVE publishedPublication date reported by the CVE source.
  2. Dec 11, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <110.1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Mozilla · Firefox for Androidversion=unspecified <110.1.0

Published CVSS scores

7.5CISACVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-416Use After Free

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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