Mozilla Firefox up to 96 memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Mozilla Firefox up to 96. This issue affects some unknown processing. The manipulation results in memory corruption. This vulnerability is reported as CVE-2022-0511. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Mozilla Firefox up to 96 (Web Browser). Affected is some unknown functionality. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Mozilla developers and community members Gabriele Svelto, Sebastian Hengst, Randell Jesup, Luan Herrera, Lars T Hansen, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 96. 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 < 97.

The weakness was disclosed 02/08/2022 by Gabriele Svelto, Sebastian Hengst, Randell Jesup, Luan Herrera and Lars T Hansen as Memory safety bugs fixed in Firefox 97 as confirmed advisory (Website). The advisory contains:

Mozilla developers and community members Gabriele Svelto, Sebastian Hengst, Randell Jesup, Luan Herrera, Lars T Hansen, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 96. 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 is traded as CVE-2022-0511. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 03/29/2026).

Upgrading to version 97 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-15640). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Vendor

Name

Version

License

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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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 97

Timelineinfo

02/07/2022 🔍
02/08/2022 +1 days 🔍
02/08/2022 +0 days 🔍
09/29/2022 +233 days 🔍
03/29/2026 +1277 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Researcher: Gabriele Svelto, Sebastian Hengst, Randell Jesup, Luan Herrera, Lars T Hansen
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-0511 (🔍)
GCVE (CVE): GCVE-0-2022-0511
GCVE (VulDB): GCVE-100-209862
EUVD: 🔍

Entryinfo

Created: 09/29/2022 16:01
Updated: 03/29/2026 03:13
Changes: 09/29/2022 16:01 (16), 09/29/2022 16:04 (28), 10/26/2022 07:41 (1), 04/16/2025 18:35 (27), 03/29/2026 03:13 (2)
Complete: 🔍
Cache ID: 216:C3E:103

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