What’s Vulnerable › Vulnerabilities

CVE-2026-14241: Memory safety bugs fixed in Firefox 152.0.4

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-30 · updated 2026-10-25
• Weakness: CWE-787

Description

Memory safety bugs present in Firefox 152.0.3. 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 152.0.4.

Affected products

• Mozilla Firefox: 152.0.3

References

• https://bugzilla.mozilla.org/buglist.cgi?bug_id=2043241%2C2045514%2C2045576%2C2045623%2C2045765%2C2049409%2C2049840
• https://bugzilla.mozilla.org/show_bug.cgi?id=2046814
• https://www.mozilla.org/security/advisories/mfsa2026-62/

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