CVE-2024-5690

MEDIUMNVD 4.34.3—

4.3

By monitoring the time certain operations take, an attacker could have guessed which external protocol handlers were functional on a user's system. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.

CVSS v3: 4.3
EG Score: 4.3(medium)
EPSS: 90.7%
KEV: Not listed

Published

June 11, 2024

Last Modified

March 26, 2025

References (12)

security@mozillahttps://bugzilla.mozilla.org/show_bug.cgi?id=1883693
security@mozillahttps://lists.debian.org/debian-lts-announce/2024/06/msg00000.html
security@mozillahttps://lists.debian.org/debian-lts-announce/2024/06/msg00010.html
security@mozillahttps://www.mozilla.org/security/advisories/mfsa2024-25/
security@mozillahttps://www.mozilla.org/security/advisories/mfsa2024-26/
security@mozillahttps://www.mozilla.org/security/advisories/mfsa2024-28/
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.mozilla.org/show_bug.cgi?id=1883693
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/06/msg00000.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/06/msg00010.html
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2024-25/
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2024-26/
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2024-28/

Patch Availability(20)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	xul-ext-lightning (1:115.12.0+build3-0ubuntu0.22.04.1) @ jammy	2026-05-24	ubuntu
ubuntu	firefox-mozsymbols (127.0.2+build1-0ubuntu0.20.04.1) @ focal	2026-05-24	ubuntu
redhat	thunderbird-0:115.12.1-1.el8_6	2024-06-24	redhat
redhat	thunderbird-0:115.12.1-1.el8_10	2024-06-20	redhat
redhat	thunderbird-0:115.12.1-1.el8_2	2024-06-20	redhat
redhat	thunderbird-0:115.12.1-1.el7_9	2024-06-20	redhat
redhat	thunderbird-0:115.12.1-1.el9_0	2024-06-20	redhat
redhat	thunderbird-0:115.12.1-1.el9_2	2024-06-20	redhat
redhat	thunderbird-0:115.12.1-1.el8_4	2024-06-20	redhat
redhat	thunderbird-0:115.12.1-1.el8_8	2024-06-20	redhat
redhat	thunderbird-0:115.12.1-1.el9_4	2024-06-20	redhat
redhat	firefox-0:115.12.0-1.el8_6	2024-06-18	redhat
redhat	firefox-0:115.12.0-1.el8_10	2024-06-17	redhat
redhat	firefox-0:115.12.0-1.el8_4	2024-06-17	redhat
redhat	firefox-0:115.12.0-1.el9_0	2024-06-17	redhat
redhat	firefox-0:115.12.0-1.el9_2	2024-06-17	redhat
redhat	firefox-0:115.12.0-1.el7_9	2024-06-17	redhat
redhat	firefox-0:115.12.0-1.el8_2	2024-06-17	redhat
redhat	firefox-0:115.12.0-1.el8_8	2024-06-17	redhat
redhat	firefox-0:115.12.0-1.el9_4	2024-06-17	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-203Observable Discrepancy (Information Exposure via Side Channel)

All Vendor Advisories

(21)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch

Frequently asked(5)

What is CVE-2024-5690?

CVE-2024-5690 is a medium vulnerability published on June 11, 2024. By monitoring the time certain operations take, an attacker could have guessed which external protocol handlers were functional on a user's system. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.

When was CVE-2024-5690 disclosed?

CVE-2024-5690 was first published in the National Vulnerability Database on June 11, 2024, with the most recent update on March 26, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-5690 actively exploited?

CVE-2024-5690 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 90.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-5690?

CVE-2024-5690 has a CVSS v3 base score of 4.3 (NVD).

How do I remediate CVE-2024-5690?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-5690, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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