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TI-2024-02433 Aliases CVE-2024-2616GHSA-r78f-49fx-h798

Out-of-bounds write in Mozilla Firefox ESR

Priority LOW 15CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Low
Fix status
Partial Red Hat: 18 fixed, 1 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat.

Summary

To harden ICU against exploitation, the behavior for out-of-memory conditions was changed to crash instead of attempt to continue. This vulnerability affects Firefox ESR < 115.9 and Thunderbird < 115.9.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00699 53rd percentileScored 2026-11-07
Fix Partial Firefox ESR (Mozilla): 115.9Thunderbird (Mozilla): 115.9Red Hat: 18 advisoriesRed Hat: 18 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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 ESRbefore 115.9115.9Patch availableCNA
MozillaThunderbirdbefore 115.9115.9Patch availableCNA
  • Firefox ESR VendorMozilla Affected before 115.9 Fixed in 115.9 Patch available CNA
  • Thunderbird VendorMozilla Affected before 115.9 Fixed in 115.9 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*before 115.9.0VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*before 115.9.0VulnerableMozilla
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* Versions before 115.9.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 115.9.0 Vulnerable ·Mozilla

Remediation

  • Fix · CNA Firefox ESR (Mozilla) Fixed in 115.9
  • Fix · CNA Thunderbird (Mozilla) Fixed in 115.9

Red Hat 18 advisories

  • RHSA-2024:1486 Released 2024-03-25 · Red Hat rating Critical
    firefox security update
    • Red Hat Enterprise Linux Client (v. 7) firefox-115.9.1-1.el7_9
    • Red Hat Enterprise Linux Client Optional (v. 7) firefox-115.9.1-1.el7_9
    • Red Hat Enterprise Linux Server (v. 7) firefox-115.9.1-1.el7_9
    • Red Hat Enterprise Linux Server Optional (v. 7) firefox-115.9.1-1.el7_9
    • Red Hat Enterprise Linux Workstation (v. 7) firefox-115.9.1-1.el7_9
    • Red Hat Enterprise Linux Workstation Optional (v. 7) firefox-115.9.1-1.el7_9
  • RHSA-2024:1496 Released 2024-03-25 · Red Hat rating Moderate
    thunderbird security update
    • Red Hat Enterprise Linux AppStream EUS (v.8.8) thunderbird-115.9.0-1.el8_8
  • RHSA-2024:1497 Released 2024-03-25 · Red Hat rating Moderate
    thunderbird security update
    • Red Hat Enterprise Linux AppStream EUS (v.8.6) thunderbird-115.9.0-1.el8_6
Show 15 more Red Hat advisories
  • RHSA-2024:1500 Released 2024-03-25 · Red Hat rating Moderate
    thunderbird security update
    • Red Hat Enterprise Linux AppStream AUS (v. 8.2) thunderbird-115.9.0-1.el8_2
    • Red Hat Enterprise Linux AppStream E4S (v. 8.2) thunderbird-115.9.0-1.el8_2
    • Red Hat Enterprise Linux AppStream TUS (v. 8.2) thunderbird-115.9.0-1.el8_2
  • RHSA-2024:1498 Released 2024-03-25 · Red Hat rating Moderate
    thunderbird security update
    • Red Hat Enterprise Linux Client (v. 7) thunderbird-115.9.0-1.el7_9
    • Red Hat Enterprise Linux Server Optional (v. 7) thunderbird-115.9.0-1.el7_9
    • Red Hat Enterprise Linux Workstation (v. 7) thunderbird-115.9.0-1.el7_9
  • RHSA-2024:1494 Released 2024-03-25 · Red Hat rating Moderate
    thunderbird security update
    • Red Hat Enterprise Linux AppStream (v. 8) thunderbird-115.9.0-1.el8_9
  • RHSA-2024:1492 Released 2024-03-25 · Red Hat rating Moderate
    thunderbird security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.2) thunderbird-115.9.0-1.el9_2
  • RHSA-2024:1493 Released 2024-03-25 · Red Hat rating Moderate
    thunderbird security update
    • Red Hat Enterprise Linux AppStream (v. 9) thunderbird-115.9.0-1.el9_3
  • RHSA-2024:1495 Released 2024-03-25 · Red Hat rating Moderate
    thunderbird security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.0) thunderbird-115.9.0-1.el9_0
  • RHSA-2024:1499 Released 2024-03-25 · Red Hat rating Moderate
    thunderbird security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) thunderbird-115.9.0-1.el8_4
    • Red Hat Enterprise Linux AppStream E4S (v.8.4) thunderbird-115.9.0-1.el8_4
    • Red Hat Enterprise Linux AppStream TUS (v.8.4) thunderbird-115.9.0-1.el8_4
  • RHSA-2024:1489 Released 2024-03-25 · Red Hat rating Critical
    firefox security update
    • Red Hat Enterprise Linux AppStream EUS (v.8.6) firefox-115.9.1-1.el8_6
  • RHSA-2024:1488 Released 2024-03-25 · Red Hat rating Critical
    firefox security update
    • Red Hat Enterprise Linux AppStream EUS (v.8.8) firefox-115.9.1-1.el8_8
  • RHSA-2024:1487 Released 2024-03-25 · Red Hat rating Critical
    firefox security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.0) firefox-115.9.1-1.el9_0
  • RHSA-2024:1491 Released 2024-03-25 · Red Hat rating Critical
    firefox security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) firefox-115.9.1-1.el8_4
    • Red Hat Enterprise Linux AppStream E4S (v.8.4) firefox-115.9.1-1.el8_4
    • Red Hat Enterprise Linux AppStream TUS (v.8.4) firefox-115.9.1-1.el8_4
  • RHSA-2024:1490 Released 2024-03-25 · Red Hat rating Critical
    firefox security update
    • Red Hat Enterprise Linux AppStream AUS (v. 8.2) firefox-115.9.1-1.el8_2
    • Red Hat Enterprise Linux AppStream E4S (v. 8.2) firefox-115.9.1-1.el8_2
    • Red Hat Enterprise Linux AppStream TUS (v. 8.2) firefox-115.9.1-1.el8_2
  • RHSA-2024:1484 Released 2024-03-25 · Red Hat rating Critical
    firefox security update
    • Red Hat Enterprise Linux AppStream (v. 8) firefox-115.9.1-1.el8_9
  • RHSA-2024:1485 Released 2024-03-25 · Red Hat rating Critical
    firefox security update
    • Red Hat Enterprise Linux AppStream (v. 9) firefox-115.9.1-1.el9_3, firefox-x11-115.9.1-1.el9_3
  • RHSA-2024:1483 Released 2024-03-25 · Red Hat rating Critical
    firefox security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.2) firefox-115.9.1-1.el9_2, firefox-x11-115.9.1-1.el9_2

Fixed in the same release

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

  • Release ·

    Mozilla Firefox ESR, Thunderbird 115.9

    9 records Highest priority Priority MEDIUM 1 MEDIUM, 8 LOW

    Other records, highest priority first

    • TI-2024-02431 Out-of-bounds write in Mozilla FirefoxPriority MEDIUM 42
    • TI-2024-02429 Use after free in Mozilla FirefoxPriority LOW 39
    • TI-2024-02425 `AppendEncodedAttributeValue(), ExtraSpaceNeededForAttrEncoding()` and…Priority LOW 39
    Show all 9 records →

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 AppStream (v. 8)Fixed RHSA-2024:1484, RHSA-2024:1494
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2024:1485, RHSA-2024:1493
Red Hat Enterprise Linux AppStream AUS (v. 8.2)Fixed RHSA-2024:1490, RHSA-2024:1500
Red Hat Enterprise Linux AppStream AUS (v.8.4)Fixed RHSA-2024:1491, RHSA-2024:1499
Red Hat Enterprise Linux AppStream E4S (v. 8.2)Fixed RHSA-2024:1490, RHSA-2024:1500
Red Hat Enterprise Linux AppStream E4S (v.8.4)Fixed RHSA-2024:1491, RHSA-2024:1499
Red Hat Enterprise Linux AppStream EUS (v.8.6)Fixed RHSA-2024:1489, RHSA-2024:1497
Red Hat Enterprise Linux AppStream EUS (v.8.8)Fixed RHSA-2024:1488, RHSA-2024:1496
Red Hat Enterprise Linux AppStream EUS (v.9.0)Fixed RHSA-2024:1487, RHSA-2024:1495
Red Hat Enterprise Linux AppStream EUS (v.9.2)Fixed RHSA-2024:1483, RHSA-2024:1492
Red Hat Enterprise Linux AppStream TUS (v. 8.2)Fixed RHSA-2024:1490, RHSA-2024:1500
Red Hat Enterprise Linux AppStream TUS (v.8.4)Fixed RHSA-2024:1491, RHSA-2024:1499
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2024:1486, RHSA-2024:1498
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2024:1486
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2024:1486
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2024:1486, RHSA-2024:1498
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2024:1486, RHSA-2024:1498
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2024:1486

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-2616
  2. 2026-10-03 Alias added: GHSA-r78f-49fx-h798

References

Advisory 5

  • 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