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TI-2025-04410 Aliases CVE-2025-4918GHSA-fhgm-mxgh-gfpj

Out-of-bounds access when resolving Promise objects

Priority MEDIUM 55CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 15 fixed, 3 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.

Summary

An attacker was able to perform an out-of-bounds read or write on a JavaScript `Promise` object. This vulnerability was fixed in Firefox 138.0.4, Firefox ESR 128.10.1, Firefox ESR 115.23.1, Thunderbird 128.10.2, and Thunderbird 138.0.2.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.09515 95th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Partial Firefox (Mozilla): 115.23.1, 128.10.1, 138.0.4Thunderbird (Mozilla): 128.10.2, 138.0.2Red Hat: 21 advisoriesRed Hat: 15 fixed, 3 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MozillaFirefox—115.23.1, 128.10.1, 138.0.4Patch availableCNA
MozillaThunderbird—128.10.2, 138.0.2Patch availableCNA
  • Firefox VendorMozilla Affected — Fixed in 115.23.1, 128.10.1, 138.0.4 Patch available CNA
  • Thunderbird VendorMozilla Affected — Fixed in 128.10.2, 138.0.2 Patch available CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*before 115.23.1VulnerableMozilla
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*before 138.0.4VulnerableMozilla
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*116.0 to before 128.10.1VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*before 128.10.2VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*138.0 to before 138.0.2VulnerableMozilla
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* Versions before 115.23.1 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* Versions before 138.0.4 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* Versions 116.0 to before 128.10.1 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 128.10.2 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:* Versions 138.0 to before 138.0.2 Vulnerable ·Mozilla

Remediation

  • Fix · CNA Firefox (Mozilla) Fixed in 115.23.1, 128.10.1, 138.0.4
  • Fix · CNA Thunderbird (Mozilla) Fixed in 128.10.2, 138.0.2

Red Hat 21 advisories

  • RHSA-2025:8807 Released 2025-06-11 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream E4S (v.8.8) firefox-128.10.1-1.el8_8
    • Red Hat Enterprise Linux AppStream TUS (v.8.8) firefox-128.10.1-1.el8_8
  • RHSA-2025:8756 Released 2025-06-10 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream (v. 8) thunderbird-128.11.0-1.el8_10
  • RHSA-2025:8645 Released 2025-06-09 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.6) firefox-128.10.1-1.el8_6
    • Red Hat Enterprise Linux AppStream E4S (v.8.6) firefox-128.10.1-1.el8_6
    • Red Hat Enterprise Linux AppStream TUS (v.8.6) firefox-128.10.1-1.el8_6
Show 18 more Red Hat advisories
  • RHSA-2025:8642 Released 2025-06-09 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) thunderbird-128.11.0-1.el9_2
  • RHSA-2025:8631 Released 2025-06-09 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream AUS (v. 8.2) thunderbird-128.11.0-1.el8_2
  • RHSA-2025:8639 Released 2025-06-09 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream AUS (v. 8.2) firefox-128.10.1-1.el8_2
  • RHSA-2025:8630 Released 2025-06-09 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) thunderbird-128.11.0-1.el8_4
  • RHSA-2025:8640 Released 2025-06-09 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) firefox-128.10.1-1.el8_4
  • RHSA-2025:8629 Released 2025-06-09 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.6) thunderbird-128.11.0-1.el8_6
    • Red Hat Enterprise Linux AppStream E4S (v.8.6) thunderbird-128.11.0-1.el8_6
    • Red Hat Enterprise Linux AppStream TUS (v.8.6) thunderbird-128.11.0-1.el8_6
  • RHSA-2025:8628 Released 2025-06-09 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream E4S (v.8.8) thunderbird-128.11.0-1.el8_8
    • Red Hat Enterprise Linux AppStream TUS (v.8.8) thunderbird-128.11.0-1.el8_8
  • RHSA-2025:8607 Released 2025-06-05 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream (v. 9) thunderbird-128.11.0-1.el9_6
  • RHSA-2025:8608 Released 2025-06-05 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream (v. 10) thunderbird-128.11.0-1.el10_0
  • RHSA-2025:8599 Released 2025-06-05 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.4) thunderbird-128.11.0-1.el9_4
  • RHSA-2025:8598 Released 2025-06-05 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.0) thunderbird-128.11.0-1.el9_0
  • RHSA-2025:8465 Released 2025-06-03 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux Server (v. 7 ELS) firefox-128.10.1-1.el7_9
  • RHSA-2025:8370 Released 2025-06-02 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.4) firefox-128.10.1-1.el9_4, firefox-x11-128.10.1-1.el9_4
  • RHSA-2025:8369 Released 2025-06-02 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.2) firefox-128.10.1-1.el9_2, firefox-x11-128.10.1-1.el9_2
  • RHSA-2025:8371 Released 2025-06-02 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.0) firefox-128.10.1-1.el9_0
  • RHSA-2025:8125 Released 2025-05-26 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream (v. 10) firefox-128.10.1-1.el10_0
  • RHSA-2025:8060 Released 2025-05-21 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream (v. 8) firefox-128.10.1-1.el8_10
  • RHSA-2025:8049 Released 2025-05-20 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream (v. 9) firefox-128.10.1-1.el9_6, firefox-x11-128.10.1-1.el9_6

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 10AffectedNo fix yet
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2025:8125, RHSA-2025:8608
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2025:8060, RHSA-2025:8756
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2025:8049, RHSA-2025:8607
Red Hat Enterprise Linux AppStream AUS (v. 8.2)Fixed RHSA-2025:8631, RHSA-2025:8639
Red Hat Enterprise Linux AppStream AUS (v.8.4)Fixed RHSA-2025:8630, RHSA-2025:8640
Red Hat Enterprise Linux AppStream AUS (v.8.6)Fixed RHSA-2025:8629, RHSA-2025:8645
Red Hat Enterprise Linux AppStream E4S (v.8.6)Fixed RHSA-2025:8629, RHSA-2025:8645
Red Hat Enterprise Linux AppStream E4S (v.8.8)Fixed RHSA-2025:8628, RHSA-2025:8807
Red Hat Enterprise Linux AppStream E4S (v.9.0)Fixed RHSA-2025:8371, RHSA-2025:8598
Red Hat Enterprise Linux AppStream E4S (v.9.2)Fixed RHSA-2025:8642
Red Hat Enterprise Linux AppStream EUS (v.9.2)Fixed RHSA-2025:8369
Red Hat Enterprise Linux AppStream EUS (v.9.4)Fixed RHSA-2025:8370, RHSA-2025:8599
Red Hat Enterprise Linux AppStream TUS (v.8.6)Fixed RHSA-2025:8629, RHSA-2025:8645
Red Hat Enterprise Linux AppStream TUS (v.8.8)Fixed RHSA-2025:8628, RHSA-2025:8807
Red Hat Enterprise Linux Server (v. 7 ELS)Fixed RHSA-2025:8465

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-4918
  2. 2026-10-03 Alias added: GHSA-fhgm-mxgh-gfpj

References

Exploit 2

Advisory 5

Other 1

  • TI-2024-08981 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-09832 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.6
  • TI-2019-08769 Improper input validation in Mozilla Firefox ESR KEVCVSS 3.1CRITICAL 10.0
  • TI-2010-03577 Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before… KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
  • TI-2023-04477 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
See all 3444 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences