Vulnerability Details : CVE-2023-28484
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.
Vulnerability category: Memory Corruption
Exploit prediction scoring system (EPSS) score for CVE-2023-28484
Probability of exploitation activity in the next 30 days: 0.06%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 23 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2023-28484
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
|
6.5
|
MEDIUM | AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
N/A
|
N/A
|
Oracle:CPUOct2023 |
CWE ids for CVE-2023-28484
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A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.Assigned by: nvd@nist.gov (Primary)
References for CVE-2023-28484
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https://security.netapp.com/advisory/ntap-20230601-0006/
April 2023 Libxml2 Vulnerabilities in NetApp Products | NetApp Product Security
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https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.10.4
libxml2 2.10.4 · GNOME / libxml2 · GitLabRelease Notes
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https://lists.debian.org/debian-lts-announce/2023/04/msg00031.html
[SECURITY] [DLA 3405-1] libxml2 security updateMailing List;Third Party Advisory
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https://gitlab.gnome.org/GNOME/libxml2/-/issues/491
[CVE-2023-28484] Segfault When Parsing XSD (#491) · Issues · GNOME / libxml2 · GitLabExploit;Issue Tracking;Patch;Vendor Advisory
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https://security.netapp.com/advisory/ntap-20240201-0005/
January 2024 MySQL Cluster Vulnerabilities in NetApp Products | NetApp Product Security
Products affected by CVE-2023-28484
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*