Memory safety bugs fixed in Firefox 141 and Thunderbird 141
Published Jul 22, 2025
9.8
CRITICALCVSS 3.1
EPSS 0.44%
Description
Memory safety bugs present in Firefox 140 and Thunderbird 140. 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 141 and Thunderbird 141.
Affected products
No data.
- < 141.0
- < 141.0
No data.
Red Hat Enterprise Linux 10
firefox
Not affected
Red Hat Enterprise Linux 10
rhel10/firefox-flatpak
Not affected
Red Hat Enterprise Linux 10
rhel10/thunderbird-flatpak
Not affected
Red Hat Enterprise Linux 10
thunderbird
Not affected
Red Hat Enterprise Linux 6
firefox
Not affected
Red Hat Enterprise Linux 6
thunderbird
Not affected
Red Hat Enterprise Linux 7
firefox
Not affected
Red Hat Enterprise Linux 7
thunderbird
Not affected
Red Hat Enterprise Linux 8
firefox
Not affected
Red Hat Enterprise Linux 8
thunderbird
Not affected
Red Hat Enterprise Linux 9
firefox
Not affected
Red Hat Enterprise Linux 9
thunderbird
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 10 | firefox | Not affected | n/a |
| Red Hat Enterprise Linux 10 | rhel10/firefox-flatpak | Not affected | n/a |
| Red Hat Enterprise Linux 10 | rhel10/thunderbird-flatpak | Not affected | n/a |
| Red Hat Enterprise Linux 10 | thunderbird | Not affected | n/a |
| Red Hat Enterprise Linux 6 | firefox | Not affected | n/a |
| Red Hat Enterprise Linux 6 | thunderbird | Not affected | n/a |
| Red Hat Enterprise Linux 7 | firefox | Not affected | n/a |
| Red Hat Enterprise Linux 7 | thunderbird | Not affected | n/a |
| Red Hat Enterprise Linux 8 | firefox | Not affected | n/a |
| Red Hat Enterprise Linux 8 | thunderbird | Not affected | n/a |
| Red Hat Enterprise Linux 9 | firefox | Not affected | n/a |
| Red Hat Enterprise Linux 9 | thunderbird | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.
References (8)
- https://access.redhat.com/security/cve/CVE-2025-8044 Vendor Advisory
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1933572%2C1971116 Broken Link
- https://bugzilla.redhat.com/show_bug.cgi?id=2382714 Issue Tracking
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-22357 Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-8044
- https://www.cve.org/CVERecord?id=CVE-2025-8044
- https://www.mozilla.org/security/advisories/mfsa2025-56/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-61/ Vendor Advisory
Change history (0)
No recorded changes yet.
CVE.org / MITRE
CISA Vulnrichment
GitHub
No data