Mozilla Thunderbird up to 115.1 WebGL glGetProgramiv buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.9$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical has been found in Mozilla Thunderbird up to 115.1. Affected by this vulnerability is the function glGetProgramiv of the component WebGL. This manipulation causes buffer overflow. This vulnerability is handled as CVE-2023-4582. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mozilla Thunderbird up to 115.1 (Mail Client Software). It has been declared as critical. Affected by this vulnerability is the function glGetProgramiv of the component WebGL. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Due to large allocation checks in Angle for glsl shaders being too lenient a buffer overflow could have occurred when allocating too much private shader memory on mac OS. *This bug only affects Firefox on macOS. Other operating systems are unaffected.* This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.

The weakness was released 09/11/2023. It is possible to read the advisory at mozilla.org. This vulnerability is known as CVE-2023-4582 since 08/29/2023. 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 pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 12/18/2025).

Upgrading to version 115.2 eliminates this vulnerability. The upgrade is hosted for download at mozilla.org.

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

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

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

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / 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: 🔍

0-Day Time: 🔍

Upgrade: Thunderbird 115.2

Timelineinfo

08/29/2023 🔍
09/11/2023 +13 days 🔍
09/11/2023 +0 days 🔍
12/18/2025 +829 days 🔍

Sourcesinfo

Vendor: mozilla.org

Advisory: mozilla.org
Status: Confirmed

CVE: CVE-2023-4582 (🔍)
GCVE (CVE): GCVE-0-2023-4582
GCVE (VulDB): GCVE-100-239371

Entryinfo

Created: 09/11/2023 15:01
Updated: 12/18/2025 20:58
Changes: 09/11/2023 15:01 (43), 10/04/2023 18:46 (11), 09/19/2024 22:41 (27), 04/22/2025 02:51 (3), 12/18/2025 20:58 (1)
Complete: 🔍
Cache ID: 216::103

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