TI-2022-09754 Aliases CVE-2022-26383 GHSA-3gfr-938g-v48x

When resizing a popup after requesting fullscreen access, the popup would not display the…

MEDIUM 53CWE-451Published 2022-12-22 · Updated 2025-04-16

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Spoofing
Confidentiality · integrity · availability: None · Low · None
Fix status: Partial Red Hat: 10 fixed, 1 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-451.

Summary

When resizing a popup after requesting fullscreen access, the popup would not display the fullscreen notification. This vulnerability affects Firefox < 98, Firefox ESR < 91.7, and Thunderbird < 91.7.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00698 53rd percentileScored 2026-11-07

Fix Partial Firefox (Mozilla): 98Firefox ESR (Mozilla): 91.7+1 more productRed Hat: 10 advisoriesRed Hat: 10 fixed, 1 without a fix

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

Vendor	Product	Affected versions	Fixed in	Status	Source
Mozilla	Firefox	before 98	98	Patch available	CNA
Mozilla	Firefox ESR	before 91.7	91.7	Patch available	CNA
Mozilla	Thunderbird	before 91.7	91.7	Patch available	CNA

Firefox VendorMozilla Affected before 98 Fixed in 98 Patch available CNA
Firefox ESR VendorMozilla Affected before 91.7 Fixed in 91.7 Patch available CNA
Thunderbird VendorMozilla Affected before 91.7 Fixed in 91.7 Patch available CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:a:mozilla:firefox::::::::	before 98.0	Vulnerable	Mozilla
cpe:2.3:a:mozilla:firefox_esr::::::::	before 91.7	Vulnerable	Mozilla
cpe:2.3:a:mozilla:thunderbird::::::::	before 91.7	Vulnerable	Mozilla

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 98.0 Vulnerable ·Mozilla
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* Versions before 91.7 Vulnerable ·Mozilla
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 91.7 Vulnerable ·Mozilla

Remediation

Fix · CNA Firefox (Mozilla) Fixed in 98
Fix · CNA Firefox ESR (Mozilla) Fixed in 91.7
Fix · CNA Thunderbird (Mozilla) Fixed in 91.7

Red Hat 10 advisories

RHSA-2022:0850 Released 2022-03-14 · Red Hat rating Important
thunderbird security update
- Red Hat Enterprise Linux Client (v. 7) thunderbird-91.7.0-2.el7_9
- Red Hat Enterprise Linux Server Optional (v. 7) thunderbird-91.7.0-2.el7_9
- Red Hat Enterprise Linux Workstation (v. 7) thunderbird-91.7.0-2.el7_9
RHSA-2022:0853 Released 2022-03-14 · Red Hat rating Important
thunderbird security update
- Red Hat Enterprise Linux AppStream EUS (v.8.4) thunderbird-91.7.0-2.el8_4
RHSA-2022:0845 Released 2022-03-14 · Red Hat rating Important
thunderbird security update
- Red Hat Enterprise Linux AppStream (v. 8) thunderbird-91.7.0-2.el8_5

Show 7 more Red Hat advisories

RHSA-2022:0847 Released 2022-03-14 · Red Hat rating Important
thunderbird security update
- Red Hat Enterprise Linux AppStream E4S (v. 8.1) thunderbird-91.7.0-2.el8_1
RHSA-2022:0843 Released 2022-03-14 · Red Hat rating Important
thunderbird security update
- Red Hat Enterprise Linux AppStream EUS (v. 8.2) thunderbird-91.7.0-2.el8_2
RHSA-2022:0824 Released 2022-03-10 · Red Hat rating Critical
firefox security and bug fix update
- Red Hat Enterprise Linux Client (v. 7) firefox-91.7.0-3.el7_9
- Red Hat Enterprise Linux Client Optional (v. 7) firefox-91.7.0-3.el7_9
- Red Hat Enterprise Linux Server (v. 7) firefox-91.7.0-3.el7_9
- Red Hat Enterprise Linux Server Optional (v. 7) firefox-91.7.0-3.el7_9
- Red Hat Enterprise Linux Workstation (v. 7) firefox-91.7.0-3.el7_9
- Red Hat Enterprise Linux Workstation Optional (v. 7) firefox-91.7.0-3.el7_9
RHSA-2022:0817 Released 2022-03-10 · Red Hat rating Critical
firefox security update
- Red Hat Enterprise Linux AppStream EUS (v.8.4) firefox-91.7.0-3.el8_4
RHSA-2022:0818 Released 2022-03-10 · Red Hat rating Critical
firefox security update
- Red Hat Enterprise Linux AppStream (v. 8) firefox-91.7.0-3.el8_5
RHSA-2022:0816 Released 2022-03-10 · Red Hat rating Critical
firefox security update
- Red Hat Enterprise Linux AppStream EUS (v. 8.2) firefox-91.7.0-3.el8_2
RHSA-2022:0815 Released 2022-03-10 · Red Hat rating Critical
firefox security update
- Red Hat Enterprise Linux AppStream E4S (v. 8.1) firefox-91.7.0-3.el8_1

Fixed in the same release

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

Release · 2022-12-22
Mozilla Firefox 98
7 records Highest priority Priority HIGH 2 HIGH, 3 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2022-09755 Protection mechanism failure in Mozilla FirefoxPriority HIGH 76
- TI-2022-09752 Use after free in Mozilla FirefoxPriority HIGH 73
- TI-2022-09753 Observable discrepancy in Mozilla FirefoxPriority MEDIUM 53
Show all 7 records →
Release · 2022-12-22
Mozilla Firefox ESR, Thunderbird 91.7
5 records Highest priority Priority HIGH 2 HIGH, 1 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2022-09755 Protection mechanism failure in Mozilla FirefoxPriority HIGH 76
- TI-2022-09752 Use after free in Mozilla FirefoxPriority HIGH 73
- TI-2022-09758 Time-of-check time-of-use race condition in Mozilla FirefoxPriority LOW 36
Show all 5 records →

Vendor assessments

Red Hat

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

Product	Status	Plan or fix
Red Hat Enterprise Linux 6	Affected	No fix planned: Out of support scope
Red Hat Enterprise Linux AppStream (v. 8)	Fixed	RHSA-2022:0818, RHSA-2022:0845
Red Hat Enterprise Linux AppStream E4S (v. 8.1)	Fixed	RHSA-2022:0815, RHSA-2022:0847
Red Hat Enterprise Linux AppStream EUS (v. 8.2)	Fixed	RHSA-2022:0816, RHSA-2022:0843
Red Hat Enterprise Linux AppStream EUS (v.8.4)	Fixed	RHSA-2022:0817, RHSA-2022:0853
Red Hat Enterprise Linux Client (v. 7)	Fixed	RHSA-2022:0824, RHSA-2022:0850
Red Hat Enterprise Linux Client Optional (v. 7)	Fixed	RHSA-2022:0824
Red Hat Enterprise Linux Server (v. 7)	Fixed	RHSA-2022:0824
Red Hat Enterprise Linux Server Optional (v. 7)	Fixed	RHSA-2022:0824, RHSA-2022:0850
Red Hat Enterprise Linux Workstation (v. 7)	Fixed	RHSA-2022:0824, RHSA-2022:0850
Red Hat Enterprise Linux Workstation Optional (v. 7)	Fixed	RHSA-2022:0824

Not affected: 1 product

Red Hat Enterprise Linux 9

Timeline

2026-10-02 Threatist record created from CVE-2022-26383
2026-10-03 Alias added: GHSA-3gfr-938g-v48x

References

Advisory 4

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