TI-2022-12262 Aliases CVE-2022-29911 GHSA-2pjx-v75h-827m

Clickjacking in Mozilla Thunderbird

LOW 28CWE-1021Published 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: Low · Low · None
Fix status: Partial Red Hat: 11 fixed, 1 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-1021.

Summary

An improper implementation of the new iframe sandbox keyword <code>allow-top-navigation-by-user-activation</code> could lead to script execution without <code>allow-scripts</code> being present. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00613 49th percentileScored 2026-11-07

Fix Partial Thunderbird (Mozilla): 91.9Firefox ESR (Mozilla): 91.9+1 more productRed Hat: 12 advisoriesRed Hat: 11 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

Vendor	Product	Affected versions	Fixed in	Status	Source
Mozilla	Thunderbird	before 91.9	91.9	Patch available	CNA
Mozilla	Firefox ESR	before 91.9	91.9	Patch available	CNA
Mozilla	Firefox	before 100	100	Patch available	CNA

Thunderbird VendorMozilla Affected before 91.9 Fixed in 91.9 Patch available CNA
Firefox ESR VendorMozilla Affected before 91.9 Fixed in 91.9 Patch available CNA
Firefox VendorMozilla Affected before 100 Fixed in 100 Patch available CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:a:mozilla:firefox::::::::	before 100.0	Vulnerable	Mozilla
cpe:2.3:a:mozilla:firefox_esr::::::::	before 91.9	Vulnerable	Mozilla
cpe:2.3:a:mozilla:thunderbird::::::::	before 91.9	Vulnerable	Mozilla

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 100.0 Vulnerable ·Mozilla
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* Versions before 91.9 Vulnerable ·Mozilla
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 91.9 Vulnerable ·Mozilla

Remediation

Fix · CNA Thunderbird (Mozilla) Fixed in 91.9
Fix · CNA Firefox ESR (Mozilla) Fixed in 91.9
Fix · CNA Firefox (Mozilla) Fixed in 100

Red Hat 12 advisories

RHSA-2022:4589 Released 2022-05-18 · Red Hat rating Important
thunderbird security update
- Red Hat Enterprise Linux AppStream (v. 9) thunderbird-91.9.0-3.el9_0
RHSA-2022:4590 Released 2022-05-18 · Red Hat rating Important
firefox security update
- Red Hat Enterprise Linux AppStream (v. 9) firefox-91.9.0-1.el9_0
RHSA-2022:1725 Released 2022-05-05 · Red Hat rating Important
thunderbird security update
- Red Hat Enterprise Linux Client (v. 7) thunderbird-91.9.0-3.el7_9
- Red Hat Enterprise Linux Server Optional (v. 7) thunderbird-91.9.0-3.el7_9
- Red Hat Enterprise Linux Workstation (v. 7) thunderbird-91.9.0-3.el7_9

Show 9 more Red Hat advisories

RHSA-2022:1730 Released 2022-05-05 · Red Hat rating Important
thunderbird security update
- Red Hat Enterprise Linux AppStream (v. 8) thunderbird-91.9.0-3.el8_5
RHSA-2022:1726 Released 2022-05-05 · Red Hat rating Important
thunderbird security update
- Red Hat Enterprise Linux AppStream EUS (v.8.4) thunderbird-91.9.0-3.el8_4
RHSA-2022:1727 Released 2022-05-05 · Red Hat rating Important
thunderbird security update
- Red Hat Enterprise Linux AppStream E4S (v. 8.1) thunderbird-91.9.0-3.el8_1
RHSA-2022:1724 Released 2022-05-05 · Red Hat rating Important
thunderbird security update
- Red Hat Enterprise Linux AppStream EUS (v. 8.2) thunderbird-91.9.0-3.el8_2
RHSA-2022:1703 Released 2022-05-04 · Red Hat rating Important
firefox security update
- Red Hat Enterprise Linux Client (v. 7) firefox-91.9.0-1.el7_9
- Red Hat Enterprise Linux Client Optional (v. 7) firefox-91.9.0-1.el7_9
- Red Hat Enterprise Linux Server (v. 7) firefox-91.9.0-1.el7_9
- Red Hat Enterprise Linux Server Optional (v. 7) firefox-91.9.0-1.el7_9
- Red Hat Enterprise Linux Workstation (v. 7) firefox-91.9.0-1.el7_9
- Red Hat Enterprise Linux Workstation Optional (v. 7) firefox-91.9.0-1.el7_9
RHSA-2022:1702 Released 2022-05-04 · Red Hat rating Important
firefox security update
- Red Hat Enterprise Linux AppStream EUS (v.8.4) firefox-91.9.0-1.el8_4
RHSA-2022:1705 Released 2022-05-04 · Red Hat rating Important
firefox security update
- Red Hat Enterprise Linux AppStream (v. 8) firefox-91.9.0-1.el8_5
RHSA-2022:1704 Released 2022-05-04 · Red Hat rating Important
firefox security update
- Red Hat Enterprise Linux AppStream EUS (v. 8.2) firefox-91.9.0-1.el8_2
RHSA-2022:1701 Released 2022-05-04 · Red Hat rating Important
firefox security update
- Red Hat Enterprise Linux AppStream E4S (v. 8.1) firefox-91.9.0-1.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 100
9 records Highest priority Priority HIGH 1 HIGH, 3 MEDIUM, 5 LOW
Other records, highest priority first
- TI-2022-12260 Incorrect default permissions in Mozilla ThunderbirdPriority HIGH 73
- TI-2022-12261 Open redirect in Mozilla FirefoxPriority MEDIUM 60
- TI-2022-12268 Out-of-bounds write in Mozilla ThunderbirdPriority MEDIUM 51
Show all 9 records →
Release · 2022-12-22
Mozilla Thunderbird 91.9
8 records Highest priority Priority HIGH 1 HIGH, 1 MEDIUM, 6 LOW
Other records, highest priority first
- TI-2022-12260 Incorrect default permissions in Mozilla ThunderbirdPriority HIGH 73
- TI-2022-12268 Out-of-bounds write in Mozilla ThunderbirdPriority MEDIUM 51
- TI-2022-12267 Information disclosure in Mozilla ThunderbirdPriority LOW 30
Show all 8 records →

Show 1 more group

Release · 2022-12-22
Mozilla Firefox ESR 91.9
6 records Highest priority Priority HIGH 1 HIGH, 1 MEDIUM, 4 LOW
Other records, highest priority first
- TI-2022-12260 Incorrect default permissions in Mozilla ThunderbirdPriority HIGH 73
- TI-2022-12268 Out-of-bounds write in Mozilla ThunderbirdPriority MEDIUM 51
- TI-2022-12267 Information disclosure in Mozilla ThunderbirdPriority LOW 30
Show all 6 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-2022:1705, RHSA-2022:1730
Red Hat Enterprise Linux AppStream (v. 9)	Fixed	RHSA-2022:4589, RHSA-2022:4590
Red Hat Enterprise Linux AppStream E4S (v. 8.1)	Fixed	RHSA-2022:1701, RHSA-2022:1727
Red Hat Enterprise Linux AppStream EUS (v. 8.2)	Fixed	RHSA-2022:1704, RHSA-2022:1724
Red Hat Enterprise Linux AppStream EUS (v.8.4)	Fixed	RHSA-2022:1702, RHSA-2022:1726
Red Hat Enterprise Linux Client (v. 7)	Fixed	RHSA-2022:1703, RHSA-2022:1725
Red Hat Enterprise Linux Client Optional (v. 7)	Fixed	RHSA-2022:1703
Red Hat Enterprise Linux Server (v. 7)	Fixed	RHSA-2022:1703
Red Hat Enterprise Linux Server Optional (v. 7)	Fixed	RHSA-2022:1703, RHSA-2022:1725
Red Hat Enterprise Linux Workstation (v. 7)	Fixed	RHSA-2022:1703, RHSA-2022:1725
Red Hat Enterprise Linux Workstation Optional (v. 7)	Fixed	RHSA-2022:1703

Timeline

2026-10-02 Threatist record created from CVE-2022-29911
2026-10-03 Alias added: GHSA-2pjx-v75h-827m

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