CVE catalog

CVE-2025-9187

Memory safety bugs present in Firefox 141 and Thunderbird 141. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to

[CVE catalog]

Severity
Critical · CVSS 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
Updated
Source
[NVD] · [CVE record]
EPSS
0.49% · Oct 25, 2026

Memory safety bugs present in Firefox 141 and Thunderbird 141. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 142 and Thunderbird 142.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
CpefirefoxNot reported142.0fixed
CpethunderbirdNot reported142.0fixed
Ubuntumozjs5218.0452.3.1-0ubuntu3vulnerable
Ubuntumozjs5218.0452.3.1-7fakesync1vulnerable
Ubuntumozjs5218.0452.8.1-0ubuntu0.18.04.1vulnerable
Ubuntumozjs5218.0452.9.1-0ubuntu0.18.04.1vulnerable
Ubuntumozjs3818.0438.8.0~repack1-0ubuntu1vulnerable
Ubuntumozjs3818.0438.8.0~repack1-0ubuntu3vulnerable
Ubuntumozjs3818.0438.8.0~repack1-0ubuntu4vulnerable
Ubuntumozjs6820.0468.5.0-1~fakesyncvulnerable
Ubuntumozjs6820.0468.5.0-2~fakesyncvulnerable
Ubuntumozjs6820.0468.6.0-1vulnerable
Ubuntumozjs6820.0468.6.0-1ubuntu1vulnerable
Ubuntumozjs5220.0452.9.1-1build1vulnerable
Ubuntumozjs5220.0452.9.1-1ubuntu3vulnerable
Ubuntumozjs10222.04102.11.0-0ubuntu0.22.04.1vulnerable
Ubuntumozjs10222.04102.12.0-0ubuntu0.22.04.1vulnerable
Ubuntumozjs10222.04102.13.0-0ubuntu0.22.04.1vulnerable
Ubuntumozjs10222.04102.15.1-0ubuntu0.22.04.1vulnerable
Ubuntumozjs7822.0478.13.0-1vulnerable
Ubuntumozjs7822.0478.15.0-2vulnerable
Ubuntumozjs7822.0478.15.0-4ubuntu1vulnerable
Ubuntumozjs9122.0491.5.1-0ubuntu1vulnerable
Ubuntumozjs9122.0491.6.0-1vulnerable
Ubuntumozjs9122.0491.6.0-2vulnerable
Ubuntumozjs9122.0491.7.0-2vulnerable
Ubuntumozjs9122.0491.10.0-0ubuntu1vulnerable
Ubuntumozjs10224.04102.15.1-1vulnerable
Ubuntumozjs10224.04102.15.1-3ubuntu2vulnerable
Ubuntumozjs11524.04115.3.0-0ubuntu1vulnerable
Ubuntumozjs11524.04115.4.0-2vulnerable
Ubuntumozjs11524.04115.5.0-1vulnerable
Ubuntumozjs11524.04115.6.0-1vulnerable
Ubuntumozjs11524.04115.7.0-4vulnerable
Ubuntumozjs11524.04115.8.0-1vulnerable
Ubuntumozjs11524.04115.9.0-1vulnerable
Ubuntumozjs11524.04115.9.0-1build1vulnerable
Ubuntumozjs11524.04115.10.0-1vulnerable
Susemozilla-nsslinux enterprise server 12 sp5-ltss3.112.2-58.133.1fixed
Susemozilla-nsslinux enterprise server ltss extended security 12 sp53.112.2-58.133.1fixed
Susemozilla-nsslinux enterprise micro 5.33.112.2-150400.3.60.1fixed
Susemozilla-nsslinux enterprise micro 5.43.112.2-150400.3.60.1fixed
Susemozilla-nsslinux enterprise micro 5.53.112.2-150400.3.60.1fixed
Susemozilla-nsslinux enterprise module for basesystem 15 sp63.112.2-150400.3.60.1fixed
Susemozilla-nsslinux enterprise module for basesystem 15 sp73.112.2-150400.3.60.1fixed
Susemozilla-nsslinux enterprise high performance computing 15 sp4-espos3.112.2-150400.3.60.1fixed
Susemozilla-nsslinux enterprise high performance computing 15 sp4-ltss3.112.2-150400.3.60.1fixed
Susemozilla-nsslinux enterprise high performance computing 15 sp5-espos3.112.2-150400.3.60.1fixed
Susemozilla-nsslinux enterprise high performance computing 15 sp5-ltss3.112.2-150400.3.60.1fixed
Susemozilla-nsslinux enterprise server 15 sp4-ltss3.112.2-150400.3.60.1fixed
Susemozilla-nsslinux enterprise server 15 sp5-ltss3.112.2-150400.3.60.1fixed
Susemozilla-nsslinux enterprise server for sap applications 15 sp43.112.2-150400.3.60.1fixed
Susemozilla-nsslinux enterprise server for sap applications 15 sp53.112.2-150400.3.60.1fixed
Susemozilla-nssmanager proxy lts 4.33.112.2-150400.3.60.1fixed
Susemozilla-nssmanager server lts 4.33.112.2-150400.3.60.1fixed
Opensusemozilla-nssleap 15.63.112.2-150400.3.60.1fixed
Susemozilla-nsslinux enterprise high performance computing 15 sp3-ltss3.112.2-150000.3.132.1fixed
Susemozilla-nsslinux enterprise server 15 sp3-ltss3.112.2-150000.3.132.1fixed
Susemozilla-nsslinux enterprise server for sap applications 15 sp33.112.2-150000.3.132.1fixed
Susemozilla-nsslinux enterprise micro 5.13.112.2-150000.3.132.1fixed
Susemozilla-nsslinux enterprise micro 5.23.112.2-150000.3.132.1fixed
Susemozilla-nssenterprise storage 7.13.112.2-150000.3.132.1fixed

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
CpefirefoxcpeNot reported142.0Not reportedNVD-CVE-2025-9187Not reported
CpethunderbirdcpeNot reported142.0Not reportedNVD-CVE-2025-9187Not reported
Susemozilla-nssrpmlinux enterprise server 12 sp5-ltss3.112.2-58.133.1Not reportedSUSE-SU-2025:3759-1Not reported
Susemozilla-nssrpmlinux enterprise server ltss extended security 12 sp53.112.2-58.133.1Not reportedSUSE-SU-2025:3759-1Not reported
Susemozilla-nssrpmlinux enterprise micro 5.33.112.2-150400.3.60.1Not reportedSUSE-SU-2025:3804-1Not reported
Susemozilla-nssrpmlinux enterprise micro 5.43.112.2-150400.3.60.1Not reportedSUSE-SU-2025:3804-1Not reported
Susemozilla-nssrpmlinux enterprise micro 5.53.112.2-150400.3.60.1Not reportedSUSE-SU-2025:3804-1Not reported
Susemozilla-nssrpmlinux enterprise module for basesystem 15 sp63.112.2-150400.3.60.1Not reportedSUSE-SU-2025:3804-1Not reported
Susemozilla-nssrpmlinux enterprise module for basesystem 15 sp73.112.2-150400.3.60.1Not reportedSUSE-SU-2025:3804-1Not reported
Susemozilla-nssrpmlinux enterprise high performance computing 15 sp4-espos3.112.2-150400.3.60.1Not reportedSUSE-SU-2025:3804-1Not reported
Susemozilla-nssrpmlinux enterprise high performance computing 15 sp4-ltss3.112.2-150400.3.60.1Not reportedSUSE-SU-2025:3804-1Not reported
Susemozilla-nssrpmlinux enterprise high performance computing 15 sp5-espos3.112.2-150400.3.60.1Not reportedSUSE-SU-2025:3804-1Not reported
Susemozilla-nssrpmlinux enterprise high performance computing 15 sp5-ltss3.112.2-150400.3.60.1Not reportedSUSE-SU-2025:3804-1Not reported
Susemozilla-nssrpmlinux enterprise server 15 sp4-ltss3.112.2-150400.3.60.1Not reportedSUSE-SU-2025:3804-1Not reported
Susemozilla-nssrpmlinux enterprise server 15 sp5-ltss3.112.2-150400.3.60.1Not reportedSUSE-SU-2025:3804-1Not reported
Susemozilla-nssrpmlinux enterprise server for sap applications 15 sp43.112.2-150400.3.60.1Not reportedSUSE-SU-2025:3804-1Not reported
Susemozilla-nssrpmlinux enterprise server for sap applications 15 sp53.112.2-150400.3.60.1Not reportedSUSE-SU-2025:3804-1Not reported
Susemozilla-nssrpmmanager proxy lts 4.33.112.2-150400.3.60.1Not reportedSUSE-SU-2025:3804-1Not reported
Susemozilla-nssrpmmanager server lts 4.33.112.2-150400.3.60.1Not reportedSUSE-SU-2025:3804-1Not reported
Opensusemozilla-nssrpmleap 15.63.112.2-150400.3.60.1Not reportedSUSE-SU-2025:3804-1Not reported
Susemozilla-nssrpmlinux enterprise high performance computing 15 sp3-ltss3.112.2-150000.3.132.1Not reportedSUSE-SU-2025:3760-1Not reported
Susemozilla-nssrpmlinux enterprise server 15 sp3-ltss3.112.2-150000.3.132.1Not reportedSUSE-SU-2025:3760-1Not reported
Susemozilla-nssrpmlinux enterprise server for sap applications 15 sp33.112.2-150000.3.132.1Not reportedSUSE-SU-2025:3760-1Not reported
Susemozilla-nssrpmlinux enterprise micro 5.13.112.2-150000.3.132.1Not reportedSUSE-SU-2025:3760-1Not reported
Susemozilla-nssrpmlinux enterprise micro 5.23.112.2-150000.3.132.1Not reportedSUSE-SU-2025:3760-1Not reported
Susemozilla-nssrpmenterprise storage 7.13.112.2-150000.3.132.1Not reportedSUSE-SU-2025:3760-1Not reported

OpenFactory catalog packages

No matching packages in this catalog.

Observed:

References