SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-40304

Certain invalid XML entity definitions can corrupt a hash table key, potentially leading to subsequent logic errors.

HIGH 7.8EPSS 6.78%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (6.78%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An issue was discovered in libxml2 before 2.10.3. Certain invalid XML entity definitions can corrupt a hash table key, potentially leading to subsequent logic errors. In one case, a double-free can be provoked.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
6.78% probability · 94th percentile
CISA KEV
Not listed
Weakness
CWE-415
Affected
xmlsoft/libxml2 · netapp/active iq unified manager · netapp/clustered data ontap · netapp/clustered data ontap antivirus connector · netapp/manageability software development kit · netapp/smi-s provider · netapp/snapmanager · netapp/h300s firmware · netapp/h500s firmware · netapp/h700s firmware · netapp/h410s firmware · netapp/h410c firmware · apple/ipados · apple/iphone os · apple/macos · apple/tvos · apple/watchos
Source
cve@mitre.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.