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TI-2023-03753 Aliases CVE-2023-4046GHSA-9fw5-r669-cvr3

Resource allocation without limits in Mozilla Firefox

Priority LOW 32CWE-770Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Low
Fix status
Partial Red Hat: 17 fixed, 1 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-770.

Summary

In some circumstances, a stale value could have been used for a global variable in WASM JIT analysis. This resulted in incorrect compilation and a potentially exploitable crash in the content process. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01125 66th percentileScored 2026-11-07
Fix Partial Firefox (Mozilla): 116Firefox ESR (Mozilla): 102.14, 115.1Red Hat: 16 advisoriesRed Hat: 17 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
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
MozillaFirefoxbefore 116116Patch availableCNA
MozillaFirefox ESRbefore 102.14102.14Patch availableCNA
MozillaFirefox ESRbefore 115.1115.1Patch availableCNA
  • Firefox VendorMozilla Affected before 116 Fixed in 116 Patch available CNA
  • Firefox ESR VendorMozilla Affected before 102.14 Fixed in 102.14 Patch available CNA
  • Firefox ESR VendorMozilla Affected before 115.1 Fixed in 115.1 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*before 116.0; 102.0 to before 102.14; 115.0 to before 115.1VulnerableMozilla
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*11.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*12.0VulnerableDebian
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 116.0; 102.0 to before 102.14; 115.0 to before 115.1 Vulnerable ·Mozilla
  • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:* Versions 12.0 Vulnerable ·Debian

Remediation

  • Fix · CNA Firefox (Mozilla) Fixed in 116
  • Fix · CNA Firefox ESR (Mozilla) Fixed in 102.14
  • Fix · CNA Firefox ESR (Mozilla) Fixed in 115.1

Red Hat 16 advisories

  • RHSA-2023:4500 Released 2023-08-07 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) thunderbird-102.14.0-1.el8_4
    • Red Hat Enterprise Linux AppStream E4S (v.8.4) thunderbird-102.14.0-1.el8_4
    • Red Hat Enterprise Linux AppStream TUS (v.8.4) thunderbird-102.14.0-1.el8_4
  • RHSA-2023:4497 Released 2023-08-07 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream (v. 8) thunderbird-102.14.0-1.el8_8
  • RHSA-2023:4499 Released 2023-08-07 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream (v. 9) thunderbird-102.14.0-1.el9_2
Show 13 more Red Hat advisories
  • RHSA-2023:4495 Released 2023-08-07 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux Client (v. 7) thunderbird-102.14.0-1.el7_9
    • Red Hat Enterprise Linux Server Optional (v. 7) thunderbird-102.14.0-1.el7_9
    • Red Hat Enterprise Linux Workstation (v. 7) thunderbird-102.14.0-1.el7_9
  • RHSA-2023:4496 Released 2023-08-07 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream AUS (v. 8.2) thunderbird-102.14.0-1.el8_2
    • Red Hat Enterprise Linux AppStream E4S (v. 8.2) thunderbird-102.14.0-1.el8_2
    • Red Hat Enterprise Linux AppStream TUS (v. 8.2) thunderbird-102.14.0-1.el8_2
  • RHSA-2023:4493 Released 2023-08-07 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream EUS (v.8.6) thunderbird-102.14.0-1.el8_6
  • RHSA-2023:4494 Released 2023-08-07 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.0) thunderbird-102.14.0-1.el9_0
  • RHSA-2023:4492 Released 2023-08-07 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream E4S (v. 8.1) thunderbird-102.14.0-1.el8_1
  • RHSA-2023:4468 Released 2023-08-03 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream (v. 8) firefox-102.14.0-1.el8_8
  • RHSA-2023:4469 Released 2023-08-03 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) firefox-102.14.0-1.el8_4
    • Red Hat Enterprise Linux AppStream E4S (v.8.4) firefox-102.14.0-1.el8_4
    • Red Hat Enterprise Linux AppStream TUS (v.8.4) firefox-102.14.0-1.el8_4
  • RHSA-2023:4461 Released 2023-08-03 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux Client (v. 7) firefox-102.14.0-1.el7_9
    • Red Hat Enterprise Linux Client Optional (v. 7) firefox-102.14.0-1.el7_9
    • Red Hat Enterprise Linux Server (v. 7) firefox-102.14.0-1.el7_9
    • Red Hat Enterprise Linux Server Optional (v. 7) firefox-102.14.0-1.el7_9
    • Red Hat Enterprise Linux Workstation (v. 7) firefox-102.14.0-1.el7_9
    • Red Hat Enterprise Linux Workstation Optional (v. 7) firefox-102.14.0-1.el7_9
  • RHSA-2023:4463 Released 2023-08-03 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream EUS (v.8.6) firefox-102.14.0-1.el8_6
  • RHSA-2023:4465 Released 2023-08-03 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.0) firefox-102.14.0-1.el9_0
  • RHSA-2023:4464 Released 2023-08-03 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream E4S (v. 8.1) firefox-102.14.0-1.el8_1
  • RHSA-2023:4462 Released 2023-08-03 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream (v. 9) firefox-102.14.0-1.el9_2, firefox-x11-102.14.0-1.el9_2
  • RHSA-2023:4460 Released 2023-08-03 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream AUS (v. 8.2) firefox-102.14.0-1.el8_2
    • Red Hat Enterprise Linux AppStream E4S (v. 8.2) firefox-102.14.0-1.el8_2
    • Red Hat Enterprise Linux AppStream TUS (v. 8.2) firefox-102.14.0-1.el8_2

Fixed in the same release

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

  • Release ·

    Mozilla Firefox 116

    14 records Highest priority Priority MEDIUM 8 MEDIUM, 6 LOW

    Other records, highest priority first

    • TI-2023-03757 Out-of-bounds write in Mozilla FirefoxPriority MEDIUM 53
    • TI-2023-03764 Out-of-bounds write in Mozilla FirefoxPriority MEDIUM 51
    • TI-2023-03763 Out-of-bounds write in Mozilla FirefoxPriority MEDIUM 51
    Show all 14 records →
  • Release ·

    Mozilla Firefox ESR 115.1

    11 records Highest priority Priority MEDIUM 6 MEDIUM, 5 LOW

    Other records, highest priority first

    • TI-2023-03757 Out-of-bounds write in Mozilla FirefoxPriority MEDIUM 53
    • TI-2023-03764 Out-of-bounds write in Mozilla FirefoxPriority MEDIUM 51
    • TI-2023-03763 Out-of-bounds write in Mozilla FirefoxPriority MEDIUM 51
    Show all 11 records →
Show 1 more group
  • Release ·

    Mozilla Firefox ESR 102.14

    9 records Highest priority Priority MEDIUM 5 MEDIUM, 4 LOW

    Other records, highest priority first

    • TI-2023-03757 Out-of-bounds write in Mozilla FirefoxPriority MEDIUM 53
    • TI-2023-03763 Out-of-bounds write in Mozilla FirefoxPriority MEDIUM 51
    • TI-2023-03755 Out-of-bounds read in Mozilla FirefoxPriority MEDIUM 41
    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-2023:4468, RHSA-2023:4497
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2023:4462, RHSA-2023:4499
Red Hat Enterprise Linux AppStream AUS (v. 8.2)Fixed RHSA-2023:4460, RHSA-2023:4496
Red Hat Enterprise Linux AppStream AUS (v.8.4)Fixed RHSA-2023:4469, RHSA-2023:4500
Red Hat Enterprise Linux AppStream E4S (v. 8.1)Fixed RHSA-2023:4464, RHSA-2023:4492
Red Hat Enterprise Linux AppStream E4S (v. 8.2)Fixed RHSA-2023:4460, RHSA-2023:4496
Red Hat Enterprise Linux AppStream E4S (v.8.4)Fixed RHSA-2023:4469, RHSA-2023:4500
Red Hat Enterprise Linux AppStream EUS (v.8.6)Fixed RHSA-2023:4463, RHSA-2023:4493
Red Hat Enterprise Linux AppStream EUS (v.9.0)Fixed RHSA-2023:4465, RHSA-2023:4494
Red Hat Enterprise Linux AppStream TUS (v. 8.2)Fixed RHSA-2023:4460, RHSA-2023:4496
Red Hat Enterprise Linux AppStream TUS (v.8.4)Fixed RHSA-2023:4469, RHSA-2023:4500
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2023:4461, RHSA-2023:4495
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2023:4461
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2023:4461
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2023:4461, RHSA-2023:4495
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2023:4461, RHSA-2023:4495
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2023:4461

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-4046
  2. 2026-10-03 Alias added: GHSA-9fw5-r669-cvr3

References

Advisory 5

Other 3

  • 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