Read the docs
TI-2025-10740 Aliases CVE-2025-11715GHSA-vpvq-m4pf-x2cp

Memory safety bugs fixed in Firefox ESR 140.4, Thunderbird ESR 140.4, Firefox 144 and Thunderbird 144

Priority MEDIUM 40CWE-119Published · 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-119 and the CVSS impact.

Summary

Memory safety bugs present in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00328 26th percentileScored 2026-11-07
Fix Partial Firefox (Mozilla): 140.4, 144Thunderbird (Mozilla): 140.4, 144Red 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—140.4, 144Patch availableCNA
MozillaThunderbird—140.4, 144Patch availableCNA
  • Firefox VendorMozilla Affected — Fixed in 140.4, 144 Patch available CNA
  • Thunderbird VendorMozilla Affected — Fixed in 140.4, 144 Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*before 140.4.0VulnerableMozilla
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*before 144.0VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*before 140.4.0VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*before 144.0VulnerableMozilla
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* Versions before 140.4.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* Versions before 144.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:* Versions before 140.4.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:* Versions before 144.0 Vulnerable ·Mozilla

Remediation

  • Fix · CNA Firefox (Mozilla) Fixed in 140.4, 144
  • Fix · CNA Thunderbird (Mozilla) Fixed in 140.4, 144

Red Hat 21 advisories

  • RHSA-2025:21059 Released 2025-11-12 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.4) firefox-140.4.0-3.el9_4, firefox-x11-140.4.0-3.el9_4
  • RHSA-2025:21064 Released 2025-11-12 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) firefox-140.4.0-3.el9_2, firefox-x11-140.4.0-3.el9_2
  • RHSA-2025:21057 Released 2025-11-12 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream E4S (v.8.8) firefox-140.4.0-3.el8_8
    • Red Hat Enterprise Linux AppStream TUS (v.8.8) firefox-140.4.0-3.el8_8
Show 18 more Red Hat advisories
  • RHSA-2025:21056 Released 2025-11-12 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.6) firefox-140.4.0-3.el8_6
    • Red Hat Enterprise Linux AppStream E4S (v.8.6) firefox-140.4.0-3.el8_6
    • Red Hat Enterprise Linux AppStream TUS (v.8.6) firefox-140.4.0-3.el8_6
  • RHSA-2025:21058 Released 2025-11-12 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.0) firefox-140.4.0-3.el9_0
  • RHSA-2025:21055 Released 2025-11-12 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) firefox-140.4.0-3.el8_4
    • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) firefox-140.4.0-3.el8_4
  • RHSA-2025:21054 Released 2025-11-12 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream AUS (v. 8.2) firefox-140.4.0-3.el8_2
  • RHSA-2025:19944 Released 2025-11-10 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) thunderbird-140.4.0-2.el9_2
  • RHSA-2025:19938 Released 2025-11-10 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream AUS (v. 8.2) thunderbird-140.4.0-2.el8_2
  • RHSA-2025:19945 Released 2025-11-10 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.4) thunderbird-140.4.0-2.el9_4
  • RHSA-2025:19943 Released 2025-11-10 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.0) thunderbird-140.4.0-2.el9_0
  • RHSA-2025:19942 Released 2025-11-10 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream E4S (v.8.8) thunderbird-140.4.0-2.el8_8
    • Red Hat Enterprise Linux AppStream TUS (v.8.8) thunderbird-140.4.0-2.el8_8
  • RHSA-2025:19941 Released 2025-11-10 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.6) thunderbird-140.4.0-2.el8_6
    • Red Hat Enterprise Linux AppStream E4S (v.8.6) thunderbird-140.4.0-2.el8_6
    • Red Hat Enterprise Linux AppStream TUS (v.8.6) thunderbird-140.4.0-2.el8_6
  • RHSA-2025:19939 Released 2025-11-10 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) thunderbird-140.4.0-2.el8_4
    • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) thunderbird-140.4.0-2.el8_4
  • RHSA-2025:19278 Released 2025-10-30 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux Server (v. 7 ELS) firefox-140.4.0-4.el7_9
  • RHSA-2025:18983 Released 2025-10-22 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream (v. 8) thunderbird-140.4.0-2.el8_10
  • RHSA-2025:18321 Released 2025-10-20 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream (v. 9) thunderbird-140.4.0-2.el9_6
  • RHSA-2025:18320 Released 2025-10-20 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream (v. 10) thunderbird-140.4.0-2.el10_0
  • RHSA-2025:18285 Released 2025-10-20 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream (v. 8) firefox-140.4.0-3.el8_10
  • RHSA-2025:18155 Released 2025-10-15 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream (v. 9) firefox-140.4.0-3.el9_6, firefox-x11-140.4.0-3.el9_6
  • RHSA-2025:18154 Released 2025-10-15 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream (v. 10) firefox-140.4.0-3.el10_0

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-2025:18154, RHSA-2025:18320
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2025:18285, RHSA-2025:18983
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2025:18155, RHSA-2025:18321
Red Hat Enterprise Linux AppStream AUS (v. 8.2)Fixed RHSA-2025:19938, RHSA-2025:21054
Red Hat Enterprise Linux AppStream AUS (v.8.4)Fixed RHSA-2025:19939, RHSA-2025:21055
Red Hat Enterprise Linux AppStream AUS (v.8.6)Fixed RHSA-2025:19941, RHSA-2025:21056
Red Hat Enterprise Linux AppStream E4S (v.8.6)Fixed RHSA-2025:19941, RHSA-2025:21056
Red Hat Enterprise Linux AppStream E4S (v.8.8)Fixed RHSA-2025:19942, RHSA-2025:21057
Red Hat Enterprise Linux AppStream E4S (v.9.0)Fixed RHSA-2025:19943, RHSA-2025:21058
Red Hat Enterprise Linux AppStream E4S (v.9.2)Fixed RHSA-2025:19944, RHSA-2025:21064
Red Hat Enterprise Linux AppStream EUS (v.9.4)Fixed RHSA-2025:19945, RHSA-2025:21059
Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Fixed RHSA-2025:19939, RHSA-2025:21055
Red Hat Enterprise Linux AppStream TUS (v.8.6)Fixed RHSA-2025:19941, RHSA-2025:21056
Red Hat Enterprise Linux AppStream TUS (v.8.8)Fixed RHSA-2025:19942, RHSA-2025:21057
Red Hat Enterprise Linux Server (v. 7 ELS)Fixed RHSA-2025:19278

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-11715
  2. 2026-10-03 Alias added: GHSA-vpvq-m4pf-x2cp

References

Advisory 4

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