CVE-2025-49796
Libxml2 Denial of Service Memory Corruption
Description
A vulnerability was found in libxml2. Processing certain sch:name elements from the input XML file can trigger a memory corruption issue. This flaw allows an attacker to craft a malicious XML input file that can lead libxml to crash, resulting in a denial of service or other possible undefined behavior due to sensitive data being corrupted in memory.
INFO
Published Date :
June 16, 2025, 4:15 p.m.
Last Modified :
Aug. 7, 2025, 9:15 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2025-49796
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | [email protected] |
Solution
- Update the libxml2 package.
- Update associated development or Python packages.
Public PoC/Exploit Available at Github
CVE-2025-49796 has a 5 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-49796.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-49796 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-49796
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
github runner
Dockerfile Shell
None
Shell Python
All Public RunWhen Helm Charts - Managed by terraform
Smarty Shell Dockerfile
Run paperless-ngx rootless by default (no SUID)!
Dockerfile Python
None
Shell Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-49796 vulnerability anywhere in the article.
-
The Register
Former US Army Sergeant pleads guilty after amateurish attempt at selling secrets to China
Infosec in brief A former US Army sergeant has admitted he attempted to sell classified data to China. Joseph Daniel Schmidt last Friday pled guilty after the Feds charged him with using his top secre ... Read more
The following table lists the changes that have been made to the
CVE-2025-49796 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
Aug. 07, 2025
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2025:13335 -
CVE Modified by [email protected]
Aug. 06, 2025
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2025:13267 -
CVE Modified by [email protected]
Jul. 30, 2025
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2025:12237 -
CVE Modified by [email protected]
Jul. 30, 2025
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2025:12239 Added Reference https://access.redhat.com/errata/RHSA-2025:12240 Added Reference https://access.redhat.com/errata/RHSA-2025:12241 -
CVE Modified by [email protected]
Jul. 29, 2025
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2025:12199 -
CVE Modified by [email protected]
Jul. 29, 2025
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2025:12099 -
CVE Modified by [email protected]
Jul. 29, 2025
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2025:12098 -
CVE Modified by [email protected]
Jul. 23, 2025
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2025:11580 -
CVE Modified by [email protected]
Jul. 09, 2025
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2025:10698 Added Reference https://access.redhat.com/errata/RHSA-2025:10699 -
CVE Modified by [email protected]
Jul. 09, 2025
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2025:10630 -
New CVE Received by [email protected]
Jun. 16, 2025
Action Type Old Value New Value Added Description A vulnerability was found in libxml2. Processing certain sch:name elements from the input XML file can trigger a memory corruption issue. This flaw allows an attacker to craft a malicious XML input file that can lead libxml to crash, resulting in a denial of service or other possible undefined behavior due to sensitive data being corrupted in memory. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H Added CWE CWE-125 Added Reference https://access.redhat.com/security/cve/CVE-2025-49796 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2372385