w3m w3m/Str.c Strnew_size 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, which was classified as problematic, was found in w3m. Affected is the function Strnew_size of the file w3m/Str.c. Such manipulation leads to out-of-bounds. This vulnerability is listed as CVE-2023-38252. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in w3m (Web Browser) (affected version not known) and classified as problematic. Affected by this issue is the function Strnew_size of the file w3m/Str.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 presented 07/13/2023. The advisory is shared for download at bugzilla.redhat.com. This vulnerability is handled as CVE-2023-38252. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

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). Once again VulDB remains the best 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: 270
Status: Not defined

CVE: CVE-2023-38252 (🔍)
GCVE (CVE): GCVE-0-2023-38252
GCVE (VulDB): GCVE-100-234068

Entryinfo

Created: 07/13/2023 23:11
Updated: 06/20/2025 04:19
Changes: 07/13/2023 23:11 (36), 08/05/2023 13:58 (3), 08/05/2023 14:04 (21), 06/20/2025 04:19 (17)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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