Xmlsoft Libxml2 2.11.0 XML File /libxml2/SAX2.c xmlSAX2StartElement denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Xmlsoft Libxml2 2.11.0. Impacted is the function xmlSAX2StartElement of the file /libxml2/SAX2.c of the component XML File Handler. Executing a manipulation can lead to denial of service. This vulnerability is handled as CVE-2023-39615. There is not any exploit available.

Detailsinfo

A vulnerability classified as problematic was found in Xmlsoft Libxml2 2.11.0 (Document Processing Software). This vulnerability affects the function xmlSAX2StartElement of the file /libxml2/SAX2.c of the component XML File Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

Xmlsoft Libxml2 v2.11.0 was discovered to contain a global buffer overflow via the xmlSAX2StartElement() function at /libxml2/SAX2.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via supplying a crafted XML file.

The weakness was released 08/29/2023 as 535. The advisory is shared for download at gitlab.gnome.org. This vulnerability was named CVE-2023-39615 since 08/07/2023. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 216663 (Debian dla-4064 : libxml2 - security update), 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 (216663). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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: 216663
Nessus Name: Debian dla-4064 : libxml2 - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/07/2023 🔍
08/29/2023 +22 days 🔍
08/29/2023 +0 days 🔍
02/22/2025 +543 days 🔍

Sourcesinfo

Advisory: 535
Status: Confirmed

CVE: CVE-2023-39615 (🔍)
GCVE (CVE): GCVE-0-2023-39615
GCVE (VulDB): GCVE-100-238276

Entryinfo

Created: 08/29/2023 20:10
Updated: 02/22/2025 15:57
Changes: 08/29/2023 20:10 (42), 09/22/2023 14:07 (11), 02/22/2025 15:57 (17)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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