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CVE-2021-31229

MEDIUMCVSS 6.5/10EPSS 1.03%

Last modified

CVE-2021-31229 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. An issue was discovered in libezxml.a in ezXML 0.8.6. The function ezxml_internal_dtd() performs incorrect memory handling while parsing crafted XML files, which leads to an out-of-bounds write of a one byte constant.. EPSS estimates a 1.03% chance of exploitation in the next 30 days.

Description

An issue was discovered in libezxml.a in ezXML 0.8.6. The function ezxml_internal_dtd() performs incorrect memory handling while parsing crafted XML files, which leads to an out-of-bounds write of a one byte constant.

Metrics

CVSS 3.1
6.5/10

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

EPSS Probability
1.03%

59.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Ezxml ProjectEzxml0.8.6
DebianDebian Linux9.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-31229?
An issue was discovered in libezxml.a in ezXML 0.8.6. The function ezxml_internal_dtd() performs incorrect memory handling while parsing crafted XML files, which leads to an out-of-bounds write of a one byte constant.
How severe is CVE-2021-31229?
CVE-2021-31229 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.03% probability of exploitation in the next 30 days.
How do I fix CVE-2021-31229?
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-2021-31229?

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

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Source: NVD / NIST