w3m w3m/indep.c growbuf_to_Str out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in w3m. It has been classified as problematic. This affects the function growbuf_to_Str of the file w3m/indep.c. The manipulation leads to out-of-bounds. This vulnerability is documented as CVE-2023-38253. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in w3m (Web Browser) (unknown version). It has been rated as problematic. This issue affects the function growbuf_to_Str of the file w3m/indep.c. 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 weakness was released 07/13/2023. It is possible to read the advisory at bugzilla.redhat.com. The identification of this vulnerability is CVE-2023-38253. 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 239825 (TencentOS Server 4: w3m (TSSA-2025:0165)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (239825). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.8

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

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 4.7
CNA Vector (Red Hat, Inc.): 🔍

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: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 239825
Nessus Name: TencentOS Server 4: w3m (TSSA-2025:0165)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/13/2023 🔍
07/13/2023 +0 days 🔍
07/13/2023 +0 days 🔍
06/20/2025 +708 days 🔍

Sourcesinfo

Advisory: 271
Status: Not defined

CVE: CVE-2023-38253 (🔍)
GCVE (CVE): GCVE-0-2023-38253
GCVE (VulDB): GCVE-100-234071

Entryinfo

Created: 07/13/2023 23:11
Updated: 06/20/2025 04:19
Changes: 07/13/2023 23:11 (36), 08/05/2023 14:22 (3), 08/05/2023 14:24 (21), 06/20/2025 04:19 (17)
Complete: 🔍
Cache ID: 216::103

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

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