CVE-2025-1009: Use-after-free in XSLT
Published Feb 4, 2025
·Updated
An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash.
Affected Software
13 affected componentsFixes available
debian/firefox
135.0-1
debian/firefox-esr<=115.14.0esr-1~deb11u1, <=128.5.0esr-1~deb12u1
128.7.0esr-1~deb11u1128.7.0esr-1~deb12u1128.7.0esr-1
debian/thunderbird<=1:115.12.0-1~deb11u1, <=1:128.5.0esr-1~deb12u1, <=1:128.6.0esr-1
1:128.7.0esr-1~deb11u11:128.7.0esr-1~deb12u1
Mozilla Thunderbird<128.7
128.7
Mozilla Firefox<115.20.0
Mozilla Firefox<135.0
Mozilla Firefox>=128.1.0<128.7.0
Mozilla Thunderbird>=128.0.1<128.7.0
Mozilla Thunderbird>=131.0<135.0
Mozilla Firefox<135
135
Mozilla Firefox ESR<115.20
115.20
Mozilla Firefox ESR<128.7
128.7
Mozilla Thunderbird<135
135
Event History
Feb 4, 2025
CVE Published
via Mozilla·12:00 AM
CVE Published
via MITRE·01:58 PM
Data Sourced
via MITRE·01:58 PM
Description
Data Sourced
via NVD·02:15 PM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via Red Hat·03:01 PM
DescriptionSeverityAffected Software
Feb 15, 2025
Data Sourced
via Ubuntu·05:06 AM
RemedyDescriptionSeverityAffected Software
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
1
What is the severity of CVE-2025-1009?
CVE-2025-1009 is considered a potentially exploitable vulnerability due to a use-after-free condition in Firefox and Thunderbird.
2
How do I fix CVE-2025-1009?
To fix CVE-2025-1009, update Firefox to version 135 or Thunderbird to version 128.7 or higher.
3
Which versions of Firefox are affected by CVE-2025-1009?
CVE-2025-1009 affects Firefox versions below 135.
4
Which versions of Thunderbird are affected by CVE-2025-1009?
CVE-2025-1009 affects Thunderbird versions below 128.7.
5
What types of attacks can CVE-2025-1009 facilitate?
CVE-2025-1009 can facilitate crashes that may be exploited by attackers through crafted XSLT data.