CVE-2022-44311: html2xhtml v1.3 was discovered to contain an Out-Of-Bounds read in the function static void elm_close(tree_nod

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HIGH 8.1DOWNGRADE

CVE-2022-44311 is a high-severity flaw (CVSS 8.1) affecting html2xhtml. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

html2xhtml v1.3 was discovered to contain an Out-Of-Bounds read in the function static void elm_close(tree_node_t *nodo) at procesador.c. This vulnerability allows attackers to access sensitive files or cause a Denial of Service (DoS) via a crafted html file.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.2% (top 33%)
CISA exploited list	No
Weakness	CWE-125
Published	2022-11-08
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: html2xhtml project

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

Am I affected?

Timeline

2022-11-08 15:15 UTCPublished CVE record published
2026-06-17 05:08 UTCUpdated Record last modified

html2xhtml project html2xhtml DOWNGRADE

Affected: 1.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.3

1. Check installed version

apt-cache policy html2xhtml || rpm -q html2xhtml || html2xhtml --version

2. No fixed release: DOWNGRADE to a release before 1.3 (Debian / Ubuntu)

apt-cache madison html2xhtml sudo apt install html2xhtml=<VERSION_BEFORE_1.3> sudo apt-mark hold html2xhtml

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

dnf --showduplicates list html2xhtml sudo dnf downgrade html2xhtml-<VERSION_BEFORE_1.3> sudo dnf versionlock add html2xhtml

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-2022-44311?

html2xhtml: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-44311 being exploited?

CVE-2022-44311 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-2022-44311 affect?

CVE-2022-44311 affects html2xhtml. Severity is high (CVSS 8.1). html2xhtml v1.3 was discovered to contain an Out-Of-Bounds read in the function static void elm_close(tree_node_t *nodo) at procesador.c. This vulnerability allows attackers to access sensitive files or cause a Denial of Service (DoS) via a

How urgent is CVE-2022-44311?

Priority 50/100. High severity; Public exploit reference

References

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