CVE-2022-30045: An issue was discovered in libezxml.a in ezXML 0.8.6

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MEDIUM 6.5DOWNGRADE

CVE-2022-30045 is a medium-severity flaw (CVSS 6.5) affecting ezxml. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in libezxml.a in ezXML 0.8.6. The function ezxml_decode() performs incorrect memory handling while parsing crafted XML files, leading to a heap out-of-bounds read.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Weakness	CWE-125
Published	2022-05-17
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: ezxml project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-05-17 20:15 UTCPublished CVE record published
2026-06-17 04:43 UTCUpdated Record last modified

ezxml project ezxml DOWNGRADE

Affected: 0.8.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.8.6

1. Check installed version

apt-cache policy ezxml || rpm -q ezxml || ezxml --version

2. No fixed release: DOWNGRADE to a release before 0.8.6 (Debian / Ubuntu)

apt-cache madison ezxml sudo apt install ezxml=<VERSION_BEFORE_0.8.6> sudo apt-mark hold ezxml

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list ezxml sudo dnf downgrade ezxml-<VERSION_BEFORE_0.8.6> sudo dnf versionlock add ezxml

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-30045?

ezxml: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-30045 being exploited?

CVE-2022-30045 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-30045 affect?

CVE-2022-30045 affects ezxml. Severity is medium (CVSS 6.5). An issue was discovered in libezxml.a in ezXML 0.8.6. The function ezxml_decode() performs incorrect memory handling while parsing crafted XML files, leading to a heap out-of-bounds read.

How urgent is CVE-2022-30045?

Priority 44/100. Public exploit reference

Related CVEs

CVE-2021-31598 HIGH 7.5 DOWNGRADE MITIGATE An issue was discovered in libezxml.a in ezXML 0.8.6
CVE-2021-31348 MEDIUM 6.5 DOWNGRADE MITIGATE An issue was discovered in libezxml.a in ezXML 0.8.6
CVE-2021-31347 MEDIUM 6.5 DOWNGRADE MITIGATE An issue was discovered in libezxml.a in ezXML 0.8.6
CVE-2021-31229 MEDIUM 6.5 DOWNGRADE MITIGATE An issue was discovered in libezxml.a in ezXML 0.8.6
CVE-2021-26222 HIGH 8.1 UPGRADE The ezxml_new function in ezXML 0.8.6 and earlier is vulnerable to OOB write when opening XML file after exhau

References

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