Mozilla Thunderbird up to 91.7 JIT Code MLoadTypedArrayElementHole out-of-bounds

CVSS Meta Temp Score
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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 Thunderbird up to 91.7. This vulnerability affects the function MLoadTypedArrayElementHole of the component JIT Code Handler. The manipulation leads to out-of-bounds. This vulnerability is uniquely identified as CVE-2022-28285. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Mozilla Thunderbird up to 91.7 (Mail Client Software). This issue affects the function MLoadTypedArrayElementHole of the component JIT Code Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality. The summary by CVE is:

When generating the assembly code for <code>MLoadTypedArrayElementHole</code>, an incorrect AliasSet was used. In conjunction with another vulnerability this could have been used for an out of bounds memory read. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.

The weakness was disclosed 04/05/2022 by Lukas Bernhard as Bug 1756957 as confirmed advisory (Website). It is possible to read the advisory at bugzilla.mozilla.org. The advisory contains:

When generating the assembly code for MLoadTypedArrayElementHole, an incorrect AliasSet was used. In conjunction with another vulnerability this could have been used for an out of bounds memory read.
The identification of this vulnerability is CVE-2022-28285. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

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 91.8 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (208650) and EUVD (EUVD-2022-32737). Be aware that VulDB is the high quality 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: 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: Out-of-bounds
CWE: CWE-125 / 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: Thunderbird 91.8

Timelineinfo

03/31/2022 🔍
04/05/2022 +5 days 🔍
04/05/2022 +0 days 🔍
09/30/2022 +178 days 🔍
05/17/2026 +1325 days 🔍

Sourcesinfo

Vendor: mozilla.org

Advisory: Bug 1756957
Researcher: Lukas Bernhard
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-28285 (🔍)
GCVE (CVE): GCVE-0-2022-28285
GCVE (VulDB): GCVE-100-209927
EUVD: 🔍

Entryinfo

Created: 09/30/2022 09:16
Updated: 05/17/2026 15:35
Changes: 09/30/2022 09:16 (18), 09/30/2022 09:19 (29), 10/26/2022 11:59 (1), 10/10/2024 02:34 (16), 04/16/2025 16:51 (13), 04/29/2025 13:02 (3), 05/17/2026 15:35 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

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