CVE-2023-28484
libxml2: NULL dereference in xmlSchemaFixupComplexType
Severity Score
6.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
In libxml2 before 2.10.4, parsing of certain invalid XSD schemas can lead to a NULL pointer dereference and subsequently a segfault. This occurs in xmlSchemaFixupComplexType in xmlschemas.c.
A NULL pointer dereference vulnerability was found in libxml2. This issue occurs when parsing (invalid) XML schemas.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-03-16 CVE Reserved
- 2023-04-20 CVE Published
- 2024-08-02 CVE Updated
- 2024-08-02 First Exploit
- 2024-10-04 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-20: Improper Input Validation
- CWE-476: NULL Pointer Dereference
CAPEC
References (7)
URL | Date | SRC |
---|---|---|
https://gitlab.gnome.org/GNOME/libxml2/-/issues/491 | 2024-08-02 |
URL | Date | SRC |
---|
URL | Date | SRC |
---|---|---|
https://access.redhat.com/security/cve/CVE-2023-28484 | 2024-01-25 | |
https://bugzilla.redhat.com/show_bug.cgi?id=2185994 | 2024-01-25 |
Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Xmlsoft Search vendor "Xmlsoft" | Libxml2 Search vendor "Xmlsoft" for product "Libxml2" | < 2.10.4 Search vendor "Xmlsoft" for product "Libxml2" and version " < 2.10.4" | - |
Affected
| ||||||
Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0" | - |
Affected
|