// For flags

CVE-2023-29535

Mozilla: Potential Memory Corruption following Garbage Collector compaction

Severity Score

6.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Following a Garbage Collector compaction, weak maps may have been accessed before they were correctly traced. This resulted in memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.

The Mozilla Foundation Security Advisory describes this flaw as:

Following a Garbage Collector compaction, weak maps may have been accessed before they were correctly traced. This resulted in memory corruption and a potentially exploitable crash.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2023-04-07 CVE Reserved
  • 2023-04-12 CVE Published
  • 2024-08-02 CVE Updated
  • 2024-11-12 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Mozilla
Search vendor "Mozilla"
Firefox
Search vendor "Mozilla" for product "Firefox"
< 112.0
Search vendor "Mozilla" for product "Firefox" and version " < 112.0"
-
Affected
Mozilla
Search vendor "Mozilla"
Firefox
Search vendor "Mozilla" for product "Firefox"
< 112.0
Search vendor "Mozilla" for product "Firefox" and version " < 112.0"
android
Affected
Mozilla
Search vendor "Mozilla"
Firefox Esr
Search vendor "Mozilla" for product "Firefox Esr"
< 102.10
Search vendor "Mozilla" for product "Firefox Esr" and version " < 102.10"
-
Affected
Mozilla
Search vendor "Mozilla"
Focus
Search vendor "Mozilla" for product "Focus"
< 112.0
Search vendor "Mozilla" for product "Focus" and version " < 112.0"
android
Affected
Mozilla
Search vendor "Mozilla"
Thunderbird
Search vendor "Mozilla" for product "Thunderbird"
< 102.10
Search vendor "Mozilla" for product "Thunderbird" and version " < 102.10"
-
Affected