CVE-2024-11704

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2024-11-26. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: None knownExposed: 0

A fix is available — apply it.

A double-free issue could have occurred in sec_pkcs7_decoder_start_decrypt() when handling an error path. Under specific conditions, the same symmetric key could have been freed twice, potentially leading to memory corruption. This vulnerability affects Firefox < 133, Thunderbird < 133, Firefox ESR < 128.7, and Thunderbird < 128.7.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
59(Track)
EG Risk 59/100SSVC: 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
Severity98% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
59%
KEV
Not listed

Published

November 26, 2024

Last Modified

November 3, 2025

Advisory Details (7)

Auto-updated Sep 17, 2026
Patch available.
generic Patch Available

[SECURITY] [DLA 4045-1] thunderbird security update

https://lists.debian.org/debian-lts-announce/2025/02/msg00006.html
generic Patch Available

[SECURITY] [DLA 4044-1] firefox-esr security update

https://lists.debian.org/debian-lts-announce/2025/02/msg00005.html
generic

Security Vulnerabilities fixed in Thunderbird ESR 128.7 — Mozilla

https://www.mozilla.org/security/advisories/mfsa2025-10/
generic

Security Vulnerabilities fixed in Firefox ESR 128.7 — Mozilla

https://www.mozilla.org/security/advisories/mfsa2025-09/
generic

Security Vulnerabilities fixed in Thunderbird 133 — Mozilla

https://www.mozilla.org/security/advisories/mfsa2024-67/
generic

Security Vulnerabilities fixed in Firefox 133 — Mozilla

https://www.mozilla.org/security/advisories/mfsa2024-63/
generic

1899402 - (CVE-2024-11704) Double free in sec_pkcs7_decoder_start_decrypt()

https://bugzilla.mozilla.org/show_bug.cgi?id=1899402

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntufirefox-mozsymbols (133.0+build2-0ubuntu0.20.04.1) @ focal2026-05-23ubuntu

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.

Affected Packages

(8 across 4 ecosystems)
Debian:11(2)
PackageVulnerable rangeFixed inDependents
firefox-esr102.1.0esr-1 ... 91.9.1esr-1~deb9u1 (196 versions)128.7.0esr-1~deb11u1—
thunderbird1:102.0.1-1 ... 1:91.9.0-1~deb9u1 (238 versions)1:128.7.0esr-1~deb11u1—
Debian:12(2)
PackageVulnerable rangeFixed inDependents
firefox-esr102.11.0esr-1 ... 128.7.0esr-1~deb11u1 (103 versions)128.7.0esr-1~deb12u1—
thunderbird1:102.11.0-1 ... 1:128.7.0esr-1~deb11u1 (123 versions)1:128.7.0esr-1~deb12u1—
Debian:13(2)
PackageVulnerable rangeFixed inDependents
firefox-esr—128.7.0esr-1—
thunderbird—1:128.7.0esr-1—
Debian:14(2)
PackageVulnerable rangeFixed inDependents
firefox-esr—128.7.0esr-1—
thunderbird—1:128.7.0esr-1—

Weakness Classification(1)

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

All Vendor Advisories

(1)

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 6× in last 7d / 26× 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 167 total refreshes for this CVE.

  1. 2026-09-19 15:40 UTCEPSS rescore
  2. 2026-09-18 19:26 UTCEPSS rescore
  3. 2026-09-16 14:06 UTCEPSS rescore
  4. 2026-09-16 05:11 UTCEPSS rescore
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  16. 2026-09-01 16:54 UTCOSV refresh
  17. 2026-09-01 13:52 UTCEPSS rescore
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  20. 2026-08-28 21:39 UTCEPSS rescore
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  1. 2026-08-20 22:53 UTCEPSS rescore
  2. 2026-08-19 17:02 UTCEPSS rescore
  3. 2026-08-18 13:46 UTCEPSS rescore
  4. 2026-08-17 13:45 UTCEPSS rescore
  5. 2026-08-16 14:54 UTCEPSS rescore
  6. 2026-08-16 02:12 UTCEPSS rescore
  7. 2026-08-15 18:07 UTCOSV refresh
  8. 2026-08-15 01:28 UTCEPSS rescore
  9. 2026-08-13 21:58 UTCEPSS rescore
  10. 2026-08-12 13:49 UTCEPSS rescore
  11. 2026-08-11 13:40 UTCEPSS rescore
  12. 2026-08-10 23:58 UTCEPSS rescore
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  24. 2026-08-01 04:14 UTCEPSS rescore
  25. 2026-08-01 04:14 UTCEPSS rescore
  26. 2026-07-31 10:12 UTCOSV refresh
  27. 2026-07-30 16:26 UTCEPSS rescore
  28. 2026-07-30 01:29 UTCEPSS rescore
  29. 2026-07-28 15:34 UTCEPSS rescore
  30. 2026-07-27 14:11 UTCEPSS rescore
  31. 2026-07-26 14:53 UTCEPSS rescore
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  37. 2026-07-23 02:31 UTCEG score recompute
  38. 2026-07-22 23:18 UTCEG score recompute
  39. 2026-07-22 14:07 UTCEPSS rescore
  40. 2026-07-21 15:23 UTCEPSS rescore
  41. 2026-07-20 17:06 UTCEPSS rescore
  42. 2026-07-19 14:30 UTCEPSS rescore
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  44. 2026-07-19 02:27 UTCEPSS rescore
  45. 2026-07-18 10:03 UTCEPSS rescore
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  47. 2026-07-15 16:56 UTCEPSS rescore
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  49. 2026-07-15 01:59 UTCEPSS rescore
  50. 2026-07-15 01:59 UTCEPSS rescore
  51. 2026-07-13 22:28 UTCEPSS rescore
  52. 2026-07-13 17:38 UTCOSV refresh
  53. 2026-07-13 06:11 UTCEPSS rescore
  54. 2026-07-13 06:11 UTCEPSS rescore
  55. 2026-07-12 05:45 UTCEPSS rescore
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  57. 2026-07-11 08:26 UTCEPSS rescore
  58. 2026-07-09 19:09 UTCEPSS rescore
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  68. 2026-07-01 15:05 UTCEPSS rescore
  69. 2026-06-30 23:21 UTCEPSS rescore
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  74. 2026-06-28 04:55 UTCEPSS rescore
  75. 2026-06-27 03:07 UTCEPSS rescore

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2024-11704?
CVE-2024-11704 is a critical vulnerability published on November 26, 2024. A double-free issue could have occurred in secpkcs7decoderstartdecrypt() when handling an error path. Under specific conditions, the same symmetric key could have been freed twice, potentially leading to memory corruption. This vulnerability affects Firefox < 133, Thunderbird < 133, Firefox ESR <…
When was CVE-2024-11704 disclosed?
CVE-2024-11704 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-2024-11704 actively exploited?
CVE-2024-11704 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 41.5% of all scored CVEs.
What is the CVSS score of CVE-2024-11704?
CVE-2024-11704 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2024-11704?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-11704, 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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