Mozilla Thunderbird out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical was found in Mozilla Thunderbird. The impacted element is the function AppendEncodedAttributeValue/ExtraSpaceNeededForAttrEncoding/AppendEncodedCharacters. Such manipulation leads to out-of-bounds write. This vulnerability is traded as CVE-2024-2608. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Mozilla Thunderbird (version unknown). It has been rated as critical. Affected by this issue is the function AppendEncodedAttributeValue/ExtraSpaceNeededForAttrEncoding/AppendEncodedCharacters. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

`AppendEncodedAttributeValue(), ExtraSpaceNeededForAttrEncoding()` and `AppendEncodedCharacters()` could have experienced integer overflows, causing underallocation of an output buffer leading to an out of bounds write. This vulnerability affects Firefox < 124, Firefox ESR < 115.9, and Thunderbird < 115.9.

The advisory is shared for download at mozilla.org. This vulnerability is handled as CVE-2024-2608 since 03/18/2024. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 06/18/2025).

The vulnerability scanner Nessus provides a plugin with the ID 239942 (TencentOS Server 2: firefox (TSSA-2024:0095)), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (239942). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

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

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / 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: 239942
Nessus Name: TencentOS Server 2: firefox (TSSA-2024:0095)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: mozilla.org

Timelineinfo

03/18/2024 🔍
03/19/2024 +1 days 🔍
03/19/2024 +0 days 🔍
06/18/2025 +456 days 🔍

Sourcesinfo

Vendor: mozilla.org

Advisory: DLA 3769-1
Status: Confirmed

CVE: CVE-2024-2608 (🔍)
GCVE (CVE): GCVE-0-2024-2608
GCVE (VulDB): GCVE-100-257264

Entryinfo

Created: 03/19/2024 14:22
Updated: 06/18/2025 03:25
Changes: 03/19/2024 14:22 (54), 05/02/2024 02:46 (1), 03/13/2025 17:04 (2), 04/14/2025 11:30 (3), 06/18/2025 03:25 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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