CVE-2024-11696

MEDIUMNVD 5.45.4—
EchelonGraph scoreMEDIUM confidence

Score 5.4 from GitHub Security Advisory published 2024-11-26. NVD baseline CVSS 5.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.4
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.4Exploit: NoneExposed: 0

A fix is available — apply it.

The application failed to account for exceptions thrown by the loadManifestFromFile method during add-on signature verification. This flaw, triggered by an invalid or unsupported extension manifest, could have caused runtime errors that disrupted the signature validation process. As a result, the enforcement of signature validation for unrelated add-ons may have been bypassed. Signature validation in this context is used to ensure that third-party applications on the user's computer have not tampered with the user's extensions, limiting the impact of this issue. This vulnerability affects Firefox < 133, Firefox ESR < 128.5, Thunderbird < 133, and Thunderbird < 128.5.

CVSS v3
5.4
EG Score
5.4(medium)
EG Risk
24(Track)
EG Risk 24/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity54% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
27.5%
KEV
Not listed

Published

November 26, 2024

Last Modified

November 3, 2025

References (6)

Vendor Advisories for CVE-2024-11696(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(21)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntufirefox-mozsymbols (133.0+build2-0ubuntu0.20.04.1) @ focal2026-05-23ubuntu
redhatqemu-kvm-18:10.1.0-16.el10_22026-05-19redhat
redhatfirefox-0:128.5.1-1.el8_62024-12-09redhat
redhatfirefox-0:128.5.1-1.el7_92024-12-09redhat
redhatfirefox-0:128.5.1-1.el8_82024-12-05redhat
redhatfirefox-0:128.5.1-1.el8_42024-12-05redhat
redhatfirefox-0:128.5.1-1.el8_22024-12-05redhat
redhatthunderbird-0:128.5.0-1.el8_62024-12-03redhat
redhatfirefox-0:128.5.1-1.el9_42024-12-03redhat
redhatfirefox-0:128.5.1-1.el8_102024-12-03redhat
redhatfirefox-0:128.5.1-1.el9_02024-12-03redhat
redhatfirefox-0:128.5.1-1.el9_22024-12-03redhat
redhatthunderbird-0:128.5.0-1.el9_42024-12-03redhat
redhatthunderbird-0:128.5.0-1.el8_42024-12-03redhat
redhatthunderbird-0:128.5.0-1.el9_52024-12-02redhat
redhatfirefox-0:128.5.1-1.el9_52024-12-02redhat
redhatthunderbird-0:128.5.0-1.el9_22024-12-02redhat
redhatthunderbird-0:128.5.0-1.el8_22024-12-02redhat
redhatthunderbird-0:128.5.0-1.el8_102024-12-02redhat
redhatthunderbird-0:128.5.0-1.el9_02024-12-02redhat
redhatthunderbird-0:128.5.0-1.el8_82024-12-02redhat

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.

Additional Vendor Advisories

(20)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 9× in last 7d / 44× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 104 total refreshes for this CVE.

  1. 2026-07-23 02:31 UTCEG score recompute
  2. 2026-07-22 23:18 UTCEG score recompute
  3. 2026-07-22 14:07 UTCEPSS rescore
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Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2024-11696?
CVE-2024-11696 is a medium vulnerability published on November 26, 2024. The application failed to account for exceptions thrown by the loadManifestFromFile method during add-on signature verification. This flaw, triggered by an invalid or unsupported extension manifest, could have caused runtime errors that disrupted the signature validation process. As a result, the…
When was CVE-2024-11696 disclosed?
CVE-2024-11696 was first published in the National Vulnerability Database on November 26, 2024, with the most recent update on November 3, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-11696 actively exploited?
CVE-2024-11696 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 27.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2024-11696?
CVE-2024-11696 has a CVSS v3 base score of 5.4 (NVD).
How do I remediate CVE-2024-11696?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-11696, 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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