Memory safety bugs present in Firefox 123. 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 < 124.
Conclusion & alert: CVE-2024-2615 is rated Moderate Risk (54.7/100): CVSS Critical severity, with low exploitation likelihood (EPSS 0.59%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.27% | 0.59% | +0.32% |
| 2 | 2026-06-05 | 0.21% | 0.27% | +0.06% |
| 3 | 2025-11-21 | — | 0.21% | — |
Full EPSS history (16 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2024-2615: 1 source package rows (firefox); 98 state rows across 2 repos (3.22-community, edge-community); fixed 0, open 98. | https://security.alpinelinux.org/vuln/CVE-2024-2615 |
debian
|
not yet assigned | CVE-2024-2615 not yet assigned priority: Debian including 1 source packages (firefox), 1 status rows across 1 suites (sid): resolved 1. | https://security-tracker.debian.org/tracker/CVE-2024-2615 |
suse
|
high | CVE-2024-2615 severity important: SUSE including 10 source package names (MozillaFirefox, MozillaFirefox-124.0.1-1.1, …), 10 product×package rows across 2 product lines (SUSE Linux Enterprise Server 11 SP4 LTSS, openSUSE Tumbleweed): Fixed 9, Will Not Fix 1. | https://www.suse.com/security/cve/CVE-2024-2615/ |
ubuntu
|
medium | CVE-2024-2615 medium priority: Ubuntu including 8 source packages (firefox, mozjs102, …), 42 status rows across 6 suites (bionic, focal, jammy, mantic, noble, upstream): DNE 18, ignored 16, not-affected 5, needs-triage 2, released 1. | https://ubuntu.com/security/CVE-2024-2615 |
| URL | Tags |
|---|---|
| https://bugzilla.mozilla.org/buglist.cgi?bug_id=1881074%2C1882438%2C1881650 | Issue Tracking |
| https://www.mozilla.org/security/advisories/mfsa2024-12/ | Vendor Advisory |