CVE-2021-4128
published 2022-12-22CVE-2021-4128: When transitioning in and out of fullscreen mode, a graphics object was not correctly protected; resulting in memory corruption and a potentially exploitable…
PriorityP427medium6.5CVSS 3.1
AVNACLPRNUIRSUCNINAH
EPSS
0.55%
42.8th percentile
When transitioning in and out of fullscreen mode, a graphics object was not correctly protected; resulting in memory corruption and a potentially exploitable crash.*This bug only affects Firefox on MacOS. Other operating systems are unaffected.*. This vulnerability affects Firefox < 95.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | — | — |
| mozilla | firefox | < 95.0 | 95.0 |
| mozilla | firefox | — | — |
| mozilla | firefox | >= unspecified < 95 | 95 |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
vendor_debian6.5LOW
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
Debian
CVE-2021-4128: firefox - When transitioning in and out of fullscreen mode, a graphics object was not corr...
vendor_debian·2021·CVSS 6.5
CVE-2021-4128 [MEDIUM] CVE-2021-4128: firefox - When transitioning in and out of fullscreen mode, a graphics object was not corr...
When transitioning in and out of fullscreen mode, a graphics object was not correctly protected; resulting in memory corruption and a potentially exploitable crash.*This bug only affects Firefox on MacOS. Other operating systems are unaffected.*. This vulnerability affects Firefox < 95.
Scope: local
sid: resolved
Mozilla
Mozilla Foundation Security Advisory 2021-52: CVE-2021-4128
vendor_mozilla·CVSS 6.5
CVE-2021-4128 [MEDIUM] Mozilla Foundation Security Advisory 2021-52: CVE-2021-4128
Mozilla Foundation Security Advisory 2021-52
CVE: CVE-2021-4128
Product: Firefox
Impact: high
Fixed in: Firefox 95
GHSA
GHSA-qx74-qh3q-h8rj: When transitioning in and out of fullscreen mode, a graphics object was not correctly protected; resulting in memory corruption and a potentially expl
ghsa_unreviewed·2022-12-22
CVE-2021-4128 [MEDIUM] CWE-416 GHSA-qx74-qh3q-h8rj: When transitioning in and out of fullscreen mode, a graphics object was not correctly protected; resulting in memory corruption and a potentially expl
When transitioning in and out of fullscreen mode, a graphics object was not correctly protected; resulting in memory corruption and a potentially exploitable crash.*This bug only affects Firefox on MacOS. Other operating systems are unaffected.*. This vulnerability affects Firefox < 95.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2022-12-22
Published