CVE-2026-5734

N/A

Description

Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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 affects Firefox < 149.0.2 and Firefox ESR < 140.9.1.

Details CVE

Score CVSS v3.1N/A

Publie4/7/2026

Derniere modification4/7/2026

Sourcenvd

Observations honeypot0

References

https://bugzilla.mozilla.org/buglist.cgi?bug_id=2022369%2C2023026%2C2023545%2C2023555%2C2023958%2C2025422%2C2025468%2C2025492%2C2025505(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2026-25/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2026-27/(security@mozilla.org)

Correlations IOC

Aucune correlation enregistree

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