High severity · published Jun 2, 2023
CVE-2023-29550
Memory safety bugs present in Firefox 111 and Firefox ESR 102.9
8.8
CVSS
0.7%
EPSS
No
On KEV
Description
Memory safety bugs present in Firefox 111 and Firefox ESR 102.9. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 112.0 · source: NVD
FE
Firefox Esr · Mozilla
before 102.10 · source: NVD
FM
Firefox Mobile · Mozilla
before 112.0 · source: NVD
FO
Focus · Mozilla
before 112.0 · source: NVD
TH
Thunderbird · Mozilla
before 102.10 · source: NVD