CVE-2025-0238: Use-after-free when breaking lines in text

Published Jan 7, 2025
·
Updated

Assuming a controlled failed memory allocation, an attacker could have caused a use-after-free, leading to a potentially exploitable crash.

Affected Software

12 affected componentsFixes available
debian/firefox
134.0-1
debian/firefox-esr<=115.14.0esr-1~deb11u1, <=128.5.0esr-1~deb11u1, <=128.3.1esr-1~deb12u1, <=128.5.0esr-1
128.6.0esr-1~deb12u1128.6.0esr-1
Mozilla Thunderbird<128.6
128.6
Mozilla Thunderbird<134
134
Mozilla Firefox ESR<115.19
115.19
Mozilla Firefox ESR<128.6
128.6
Mozilla Firefox<134
134
Mozilla Firefox<115.19.0
Mozilla Firefox<134.0
Mozilla Firefox>=116.0<128.6.0
Mozilla Thunderbird<128.6
Mozilla Thunderbird>=129.0<134.0

Event History

Jan 7, 2025
CVE Published
via Mozilla·12:00 AM
CVE Published
via MITRE·04:07 PM
Data Sourced
via MITRE·04:07 PM
Description
Data Sourced
via NVD·04:15 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·04:15 PM
Affected Software
Data Sourced
via Red Hat·05:01 PM
DescriptionSeverityAffected Software
Jan 13, 2025
Data Sourced
via Ubuntu·05:36 AM
RemedyDescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2025-0238?

CVE-2025-0238 is classified as a potentially exploitable vulnerability due to its use-after-free condition.

2

How do I fix CVE-2025-0238?

To remediate CVE-2025-0238, update affected Mozilla products to versions 134.0 or 128.6 and ensure all security patches are applied.

3

Which software is affected by CVE-2025-0238?

CVE-2025-0238 affects Mozilla Firefox ESR, Mozilla Firefox, and Mozilla Thunderbird versions prior to the specified remedial versions.

4

What are the potential impacts of CVE-2025-0238?

Exploitation of CVE-2025-0238 may result in application crashes and could allow an attacker to execute arbitrary code.

5

Can CVE-2025-0238 be exploited remotely?

Yes, CVE-2025-0238 can potentially be exploited remotely through controlled failed memory allocations.

Contact

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