To harden ICU against exploitation, the behavior for out-of-memory conditions was changed to crash instead of attempt to continue. This vulnerability affects Firefox ESR < 115.9 and Thunderbird < 115.9.
Conclusion & alert: CVE-2024-2616 is rated Low Risk (28.3/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.70%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
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 | 0.06% | 0.70% | +0.64% |
| 2 | 2026-05-06 | 0.04% | 0.06% | +0.03% |
| 3 | 2025-11-21 | — | 0.04% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 2.7 | 3.1 | LOW |
|
1.2 | 1.4 | [email protected] |
| 2.7 | 3.1 | LOW |
|
1.2 | 1.4 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2024-2616: 3 source package rows (firefox, firefox-esr, thunderbird); 262 state rows across 3 repos (3.19-community, 3.22-community, edge-community); fixed 1, open 261. | https://security.alpinelinux.org/vuln/CVE-2024-2616 |
debian
|
not yet assigned | CVE-2024-2616 not yet assigned priority: Debian including 2 source packages (firefox-esr, thunderbird), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 10. | https://security-tracker.debian.org/tracker/CVE-2024-2616 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2024-2616 |
suse
|
high | CVE-2024-2616 severity important: SUSE including 25 source package names (MozillaFirefox, MozillaFirefox-115.9.0-112.203.2, …), 135 product×package rows across 54 product lines (Container suse/kiosk/firefox-esr, Image SLES12-SP5-SAP-Azure-LI-BYOS-Production, … (54 product lines)): Fixed 134, Will Not Fix 1. | https://www.suse.com/security/cve/CVE-2024-2616/ |
ubuntu
|
medium | CVE-2024-2616 medium priority: Ubuntu including 8 source packages (firefox, mozjs102, …), 42 status rows across 6 suites (bionic, focal, jammy, mantic, noble, upstream): DNE 18, ignored 15, not-affected 4, released 3, needs-triage 2. | https://ubuntu.com/security/CVE-2024-2616 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mozilla | firefox | < 115.9.0 | cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* |
| mozilla | thunderbird | < 115.9.0 | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1846197 | Issue Tracking Vendor Advisory |
| https://lists.debian.org/debian-lts-announce/2024/03/msg00022.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2024/03/msg00028.html | Mailing List Third Party Advisory |
| https://www.mozilla.org/security/advisories/mfsa2024-13/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2024-14/ | Vendor Advisory |