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TI-2023-11010 Aliases CVE-2023-25738GHSA-5wxj-v52j-4fmh

Out-of-bounds read in Mozilla Firefox

Priority MEDIUM 62CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.

Summary

Members of the <code>DEVMODEW</code> struct set by the printer device driver weren't being validated and could have resulted in invalid values which in turn would cause the browser to attempt out of bounds access to related variables.<br>*This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00635 50th percentileScored 2026-11-07
Fix Fixed Firefox (Mozilla): 110Thunderbird (Mozilla): 102.8+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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
MozillaFirefoxbefore 110110Patch availableCNA
MozillaThunderbirdbefore 102.8102.8Patch availableCNA
MozillaFirefox ESRbefore 102.8102.8Patch availableCNA
  • Firefox VendorMozilla Affected before 110 Fixed in 110 Patch available CNA
  • Thunderbird VendorMozilla Affected before 102.8 Fixed in 102.8 Patch available CNA
  • Firefox ESR VendorMozilla Affected before 102.8 Fixed in 102.8 Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*before 110.0VulnerableMozilla
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*before 102.8VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*before 102.8VulnerableMozilla
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 110.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* Versions before 102.8 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 102.8 Vulnerable ·Mozilla
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

  • Fix · CNA Firefox (Mozilla) Fixed in 110
  • Fix · CNA Thunderbird (Mozilla) Fixed in 102.8
  • Fix · CNA Firefox ESR (Mozilla) Fixed in 102.8

Fixed in the same release

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

  • Release ·

    Mozilla Firefox 110

    17 records Highest priority Priority HIGH 9 HIGH, 7 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2023-11012 Insufficiently protected credentials in Mozilla FirefoxPriority HIGH 73
    • TI-2023-11011 Use after free in Mozilla FirefoxPriority HIGH 73
    • TI-2023-11009 Incorrect type conversion in Mozilla FirefoxPriority HIGH 73
  • Release ·

    Mozilla Firefox ESR 102.8

    14 records Highest priority Priority HIGH 7 HIGH, 6 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2023-11011 Use after free in Mozilla FirefoxPriority HIGH 73
    • TI-2023-11009 Incorrect type conversion in Mozilla FirefoxPriority HIGH 73
    • TI-2023-11007 Use after free in Mozilla FirefoxPriority HIGH 73
Show 1 more group
  • Release ·

    Mozilla Thunderbird 102.8

    13 records Highest priority Priority HIGH 6 HIGH, 5 MEDIUM, 2 LOW

    Other records, highest priority first

    • TI-2023-11011 Use after free in Mozilla FirefoxPriority HIGH 73
    • TI-2023-11009 Incorrect type conversion in Mozilla FirefoxPriority HIGH 73
    • TI-2023-11007 Use after free in Mozilla FirefoxPriority HIGH 73

Vendor assessments

Red Hat

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

Not affected: 4 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-25738
  2. 2026-10-03 Alias added: GHSA-5wxj-v52j-4fmh
  3. 2026-10-25 EPSS moved to the 50th–90th percentile

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