Mozilla Firefox up to 95 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.4$5k-$25k0.00

Summaryinfo

A vulnerability was found in Mozilla Firefox up to 95 and classified as critical. Affected by this vulnerability is an unknown functionality. Executing a manipulation can lead to memory corruption. This vulnerability is handled as CVE-2022-22752. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Mozilla Firefox up to 95 (Web Browser). This vulnerability affects an unknown code. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Mozilla developers Christian Holler and Jason Kratzer reported memory safety bugs present in Firefox 95. 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 < 96.

The weakness was released 01/11/2022 by Christian Holler and Jason Kratzer as Memory safety bugs fixed in Firefox 96 as confirmed advisory (Website). The advisory is shared for download at bugzilla.mozilla.org. The advisory contains:

Mozilla developers Christian Holler and Jason Kratzer reported memory safety bugs present in Firefox 95. 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 was named CVE-2022-22752. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 04/18/2025).

Upgrading to version 96 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Firefox 96

Timelineinfo

01/07/2022 🔍
01/11/2022 +4 days 🔍
01/11/2022 +0 days 🔍
09/29/2022 +261 days 🔍
04/18/2025 +932 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: Memory safety bugs fixed in Firefox 96
Researcher: Christian Holler, Jason Kratzer
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-22752 (🔍)
GCVE (CVE): GCVE-0-2022-22752
GCVE (VulDB): GCVE-100-209836

Entryinfo

Created: 09/29/2022 15:30
Updated: 04/18/2025 23:55
Changes: 09/29/2022 15:30 (18), 09/29/2022 15:33 (27), 10/25/2022 16:10 (1), 04/18/2025 23:55 (27)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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