Mozilla Firefox up to 98 rel use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Mozilla Firefox up to 98. Affected by this vulnerability is an unknown functionality of the component rel Handler. Performing a manipulation results in use after free. This vulnerability was named CVE-2022-28282. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 98 (Web Browser). It has been classified as problematic. This affects an unknown code of the component rel Handler. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on availability. The summary by CVE is:

By using a link with <code>rel="localization"</code> a use-after-free could have been triggered by destroying an object during JavaScript execution and then referencing the object through a freed pointer, leading to a potential exploitable crash. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.

The weakness was presented 04/05/2022 by Kirin as Bug 1751609 as confirmed advisory (Website). The advisory is shared at bugzilla.mozilla.org. The advisory contains:

By using a link with rel="localization" a use-after-free could have been triggered by destroying an object during JavaScript execution and then referencing the object through a freed pointer, leading to a potentially exploitable crash.
This vulnerability is uniquely identified as CVE-2022-28282. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/15/2025).

The vulnerability scanner Nessus provides a plugin with the ID 208650 (CentOS 7 : thunderbird (RHSA-2022:1302)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 99 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 Tenable (208650). Several companies clearly confirm that VulDB is the primary source for best 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: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / 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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Nessus ID: 208650
Nessus Name: CentOS 7 : thunderbird (RHSA-2022:1302)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Firefox 99

Timelineinfo

03/31/2022 🔍
04/05/2022 +5 days 🔍
04/05/2022 +0 days 🔍
09/30/2022 +178 days 🔍
04/29/2025 +942 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: Bug 1751609
Researcher: Kirin
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-28282 (🔍)

GCVE (CVE): GCVE-0-2022-28282
GCVE (VulDB): GCVE-100-209913

Entryinfo

Created: 09/30/2022 08:59
Updated: 04/29/2025 13:52
Changes: 09/30/2022 08:59 (18), 09/30/2022 09:02 (28), 10/26/2022 10:12 (1), 10/10/2024 02:22 (16), 04/15/2025 23:53 (13), 04/29/2025 13:52 (3)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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