High severity · published Aug 30, 2024
CVE-2024-45490
An issue was discovered in libexpat before 2.6.3
7.5
CVSS
1.7%
EPSS
No
On KEV
Description
An issue was discovered in libexpat before 2.6.3. xmlparse.c does not reject a negative length for XML_ParseBuffer.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libexpat · Libexpat Project
before 2.6.3 · source: NVD, CISA
RR
RUGGEDCOM RST2428P · Siemens
before V3.1 · source: CISA
SX
SCALANCE XCM-/XRM-/XCH-/XRH-300 family · Siemens
before V3.1 · source: CISA
SS
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · Siemens
V3.1.5; V3.1.5 · source: CISA
SS
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · Siemens
V3.1.5; V3.1.5 · source: CISA
SS
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · Siemens
V3.1.5 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-45490
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-45490
Issue Tracking
https://github.com/libexpat/libexpat/issues/887
Patch
https://github.com/libexpat/libexpat/pull/890
seclists.org
http://seclists.org/fulldisclosure/2024/Dec/10
seclists.org
http://seclists.org/fulldisclosure/2024/Dec/12
seclists.org
http://seclists.org/fulldisclosure/2024/Dec/6
seclists.org
http://seclists.org/fulldisclosure/2024/Dec/7
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