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TI-2024-06977 Aliases CVE-2024-7528GHSA-gx25-vx95-m52w

Use after free in Mozilla Firefox

Priority MEDIUM 49CWE-416Published · 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: 14 fixed, 2 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.

Summary

Incorrect garbage collection interaction in IndexedDB could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 128.1, and Thunderbird < 128.1.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00516 44th percentileScored 2026-11-07
Fix Partial Firefox (Mozilla): 129Firefox ESR (Mozilla): 128.1+1 more productRed Hat: 17 advisoriesRed Hat: 14 fixed, 2 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
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
MozillaFirefoxbefore 129129Patch availableCNA
MozillaFirefox ESRbefore 128.1128.1Patch availableCNA
MozillaThunderbirdbefore 128.1128.1Patch availableCNA
  • Firefox VendorMozilla Affected before 129 Fixed in 129 Patch available CNA
  • Firefox ESR VendorMozilla Affected before 128.1 Fixed in 128.1 Patch available CNA
  • Thunderbird VendorMozilla Affected before 128.1 Fixed in 128.1 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*before 129.0VulnerableMozilla
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*before 128.1.0VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*before 128.1.0VulnerableMozilla
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 129.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* Versions before 128.1.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 128.1.0 Vulnerable ·Mozilla

Remediation

  • Fix · CNA Firefox (Mozilla) Fixed in 129
  • Fix · CNA Firefox ESR (Mozilla) Fixed in 128.1
  • Fix · CNA Thunderbird (Mozilla) Fixed in 128.1

Red Hat 17 advisories

  • RHSA-2024:5527 Released 2024-08-19 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) thunderbird-115.14.0-1.el8_4
    • Red Hat Enterprise Linux AppStream E4S (v.8.4) thunderbird-115.14.0-1.el8_4
    • Red Hat Enterprise Linux AppStream TUS (v.8.4) thunderbird-115.14.0-1.el8_4
  • RHSA-2024:5528 Released 2024-08-19 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.6) thunderbird-115.14.0-1.el8_6
    • Red Hat Enterprise Linux AppStream E4S (v.8.6) thunderbird-115.14.0-1.el8_6
    • Red Hat Enterprise Linux AppStream TUS (v.8.6) thunderbird-115.14.0-1.el8_6
  • RHSA-2024:5322 Released 2024-08-15 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream (v. 9) firefox-115.14.0-2.el9_4, firefox-x11-115.14.0-2.el9_4
Show 14 more Red Hat advisories
  • RHSA-2024:5391 Released 2024-08-14 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream (v. 8) firefox-115.14.0-2.el8_10
  • RHSA-2024:5392 Released 2024-08-14 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream (v. 9) thunderbird-115.14.0-1.el9_4
  • RHSA-2024:5402 Released 2024-08-14 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream (v. 8) thunderbird-115.14.0-1.el8_10
  • RHSA-2024:5394 Released 2024-08-14 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream EUS (v.8.8) thunderbird-115.14.0-1.el8_8
  • RHSA-2024:5396 Released 2024-08-14 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.2) thunderbird-115.14.0-1.el9_2
  • RHSA-2024:5395 Released 2024-08-14 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.0) thunderbird-115.14.0-1.el9_0
  • RHSA-2024:5393 Released 2024-08-14 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream AUS (v. 8.2) thunderbird-115.14.0-1.el8_2
  • RHSA-2024:5328 Released 2024-08-13 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.2) firefox-115.14.0-2.el9_2, firefox-x11-115.14.0-2.el9_2
  • RHSA-2024:5329 Released 2024-08-13 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream EUS (v.8.8) firefox-115.14.0-2.el8_8
  • RHSA-2024:5326 Released 2024-08-13 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.6) firefox-115.14.0-2.el8_6
    • Red Hat Enterprise Linux AppStream E4S (v.8.6) firefox-115.14.0-2.el8_6
    • Red Hat Enterprise Linux AppStream TUS (v.8.6) firefox-115.14.0-2.el8_6
  • RHSA-2024:5324 Released 2024-08-13 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux Server (v. 7 ELS) firefox-115.14.0-2.el7_9
    • Red Hat Enterprise Linux Server Optional (v. 7 ELS) firefox-115.14.0-2.el7_9
  • RHSA-2024:5327 Released 2024-08-13 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.0) firefox-115.14.0-2.el9_0
  • RHSA-2024:5325 Released 2024-08-13 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) firefox-115.14.0-2.el8_4
    • Red Hat Enterprise Linux AppStream E4S (v.8.4) firefox-115.14.0-2.el8_4
    • Red Hat Enterprise Linux AppStream TUS (v.8.4) firefox-115.14.0-2.el8_4
  • RHSA-2024:5323 Released 2024-08-13 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream AUS (v. 8.2) firefox-115.14.0-2.el8_2

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Mozilla Firefox 129

    14 records Highest priority Priority MEDIUM 9 MEDIUM, 5 LOW

    Other records, highest priority first

    • TI-2024-06970 Improper handling of exceptional conditions in Mozilla FirefoxPriority MEDIUM 50
    • TI-2024-06979 Use after free in Mozilla FirefoxPriority MEDIUM 49
    • TI-2024-06974 Improper access control in Mozilla FirefoxPriority MEDIUM 46
  • Release ·

    Mozilla Firefox ESR 128.1

    12 records Highest priority Priority MEDIUM 8 MEDIUM, 4 LOW

    Other records, highest priority first

    • TI-2024-06970 Improper handling of exceptional conditions in Mozilla FirefoxPriority MEDIUM 50
    • TI-2024-06974 Improper access control in Mozilla FirefoxPriority MEDIUM 46
    • TI-2024-06971 Out-of-bounds read in Mozilla FirefoxPriority MEDIUM 46
Show 1 more group
  • Release ·

    Mozilla Thunderbird 128.1

    10 records Highest priority Priority MEDIUM 8 MEDIUM, 2 LOW

    Other records, highest priority first

    • TI-2024-06970 Improper handling of exceptional conditions in Mozilla FirefoxPriority MEDIUM 50
    • TI-2024-06974 Improper access control in Mozilla FirefoxPriority MEDIUM 46
    • TI-2024-06971 Out-of-bounds read in Mozilla FirefoxPriority MEDIUM 46

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
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. 8)Fixed RHSA-2024:5391, RHSA-2024:5402
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2024:5322, RHSA-2024:5392
Red Hat Enterprise Linux AppStream AUS (v. 8.2)Fixed RHSA-2024:5323, RHSA-2024:5393
Red Hat Enterprise Linux AppStream AUS (v.8.4)Fixed RHSA-2024:5325, RHSA-2024:5527
Red Hat Enterprise Linux AppStream AUS (v.8.6)Fixed RHSA-2024:5326, RHSA-2024:5528
Red Hat Enterprise Linux AppStream E4S (v.8.4)Fixed RHSA-2024:5325, RHSA-2024:5527
Red Hat Enterprise Linux AppStream E4S (v.8.6)Fixed RHSA-2024:5326, RHSA-2024:5528
Red Hat Enterprise Linux AppStream E4S (v.9.0)Fixed RHSA-2024:5327, RHSA-2024:5395
Red Hat Enterprise Linux AppStream EUS (v.8.8)Fixed RHSA-2024:5329, RHSA-2024:5394
Red Hat Enterprise Linux AppStream EUS (v.9.2)Fixed RHSA-2024:5328, RHSA-2024:5396
Red Hat Enterprise Linux AppStream TUS (v.8.4)Fixed RHSA-2024:5325, RHSA-2024:5527
Red Hat Enterprise Linux AppStream TUS (v.8.6)Fixed RHSA-2024:5326, RHSA-2024:5528
Red Hat Enterprise Linux Server (v. 7 ELS)Fixed RHSA-2024:5324
Red Hat Enterprise Linux Server Optional (v. 7 ELS)Fixed RHSA-2024:5324

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-7528
  2. 2026-10-03 Alias added: GHSA-gx25-vx95-m52w

References

  • 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