Strix
26.1K

CVE-2022-40303

HIGHCVSS 7.5/10EPSS 22.79%

Last modified

CVE-2022-40303 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue was discovered in libxml2 before 2.10.3. When parsing a multi-gigabyte XML document with the XML_PARSE_HUGE parser option enabled, several integer counters can overflow. EPSS estimates a 22.79% chance of exploitation in the next 30 days.

Description

An issue was discovered in libxml2 before 2.10.3. When parsing a multi-gigabyte XML document with the XML_PARSE_HUGE parser option enabled, several integer counters can overflow. This results in an attempt to access an array at a negative 2GB offset, typically leading to a segmentation fault.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
22.79%

97.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
XmlsoftLibxml2< 2.10.3
NetappActive Iq Unified ManagerAll versions
NetappClustered Data OntapAll versions
NetappClustered Data Ontap Antivirus ConnectorAll versions
NetappNetapp Manageability SdkAll versions
NetappOntap Select Deploy Administration UtilityAll versions
NetappSnapmanagerAll versions
AppleIpados< 15.7.2
AppleIphone Os< 15.7.2
AppleMacos>= 11.0, < 11.7.2
AppleMacos>= 12.0, < 12.6.2
AppleTvos< 16.2
AppleWatchos< 9.2
NetappH300s FirmwareAll versions
NetappH500s FirmwareAll versions
NetappH700s FirmwareAll versions
NetappH410s FirmwareAll versions
NetappH410c FirmwareAll versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-40303?
An issue was discovered in libxml2 before 2.10.3. When parsing a multi-gigabyte XML document with the XML_PARSE_HUGE parser option enabled, several integer counters can overflow. This results in an attempt to access an array at a negative 2GB offset, typically leading to a segmentation fault.
How severe is CVE-2022-40303?
CVE-2022-40303 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 22.79% probability of exploitation in the next 30 days.
How do I fix CVE-2022-40303?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-40303?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST