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TI-2025-04411 Aliases CVE-2025-4919GHSA-f333-vhwv-jvmx

Out-of-bounds access when optimizing linear sums

Priority MEDIUM 52CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
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 object by confusing array index sizes. 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 0.09115 95th percentileScored 2026-11-07
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-2025-4919
  2. 2026-10-03 Alias added: GHSA-f333-vhwv-jvmx
  3. 2026-10-13 EPSS moved to the 95th–99th percentile

References

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