Mozilla Firefox up to 99 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 identified as critical has been detected in Mozilla Firefox up to 99. This issue affects some unknown processing. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2022-29918. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 99 (Web Browser) and classified as critical. This issue affects some unknown functionality. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Mozilla developers Gabriele Svelto, Randell Jesup and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 99. 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 < 100.

The weakness was shared 05/03/2022 by Gabriele Svelto and Randell Jesup as Memory safety bugs fixed in Firefox 100 as confirmed advisory (Website). It is possible to read the advisory at bugzilla.mozilla.org. The advisory contains:

Mozilla developers Gabriele Svelto, Randell Jesup and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 99. 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.
The identification of this vulnerability is CVE-2022-29918. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/15/2025).

Upgrading to version 100 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

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 100

Timelineinfo

04/29/2022 🔍
05/03/2022 +4 days 🔍
05/03/2022 +0 days 🔍
09/30/2022 +150 days 🔍
04/15/2025 +928 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: Memory safety bugs fixed in Firefox 100
Researcher: Gabriele Svelto, Randell Jesup
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-29918 (🔍)
GCVE (CVE): GCVE-0-2022-29918
GCVE (VulDB): GCVE-100-209939

Entryinfo

Created: 09/30/2022 09:51
Updated: 04/15/2025 18:01
Changes: 09/30/2022 09:51 (7), 09/30/2022 09:52 (11), 09/30/2022 09:55 (27), 10/26/2022 13:34 (1), 04/15/2025 18:01 (27)
Complete: 🔍
Cache ID: 216::103

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