If a garbage collection was triggered at the right time, a use-after-free could have occurred during object transplant. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.
Conclusion & alert: CVE-2024-5688 is rated High Exploit Risk (68.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.07%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 1.16% | 1.07% | -0.09% |
| 2 | 2026-03-22 | 1.25% | 1.16% | -0.10% |
| 3 | 2025-12-18 | — | 1.25% | — |
Full EPSS history (21 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.1 | 3.1 | HIGH |
|
2.2 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2024-5688: 3 source package rows (firefox, firefox-esr, thunderbird); 300 state rows across 3 repos (3.20-community, 3.22-community, edge-community); fixed 0, open 300. | https://security.alpinelinux.org/vuln/CVE-2024-5688 |
debian
|
not yet assigned | CVE-2024-5688 not yet assigned priority: Debian including 3 source packages (firefox, firefox-esr, thunderbird), 11 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 11. | https://security-tracker.debian.org/tracker/CVE-2024-5688 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2024-5688 |
ubuntu
|
medium | CVE-2024-5688 medium priority: Ubuntu including 8 source packages (firefox, mozjs102, …), 42 status rows across 6 suites (bionic, focal, jammy, mantic, noble, upstream): DNE 17, ignored 15, released 5, not-affected 4, needs-triage 1. | https://ubuntu.com/security/CVE-2024-5688 |
| URL | Tags |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1895086 | Exploit Issue Tracking |
| https://lists.debian.org/debian-lts-announce/2024/06/msg00000.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2024/06/msg00010.html | Mailing List Third Party Advisory |
| https://www.mozilla.org/security/advisories/mfsa2024-25/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2024-26/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2024-28/ | Vendor Advisory |