How severe is CVE-2023-34411?

CVE-2023-34411 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-34411 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-34411?

CVE-2023-34411 affects Xml Library Project Xml Library. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-34411?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-34411 published?

CVE-2023-34411 was published on 2023-06-05 and last updated on 2026-06-17.

CVE-2023-34411

CVE-2023-34411 is a high-severity vulnerability in Xml Library Project Xml Library with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-611.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Xml Library Project Xml Library
Published: 2023-06-05
Last modified: 2026-06-17

Description

The xml-rs crate before 0.8.14 for Rust and Crab allows a denial of service (panic) via an invalid <! token (such as <!DOCTYPEs/%<!A nesting) in an XML document. The earliest affected version is 0.8.9.

Frequently asked questions

What is CVE-2023-34411?: The xml-rs crate before 0.8.14 for Rust and Crab allows a denial of service (panic) via an invalid <! token (such as <!DOCTYPEs/%<!A nesting) in an XML document. The earliest affected version is 0.8.9.
How severe is CVE-2023-34411?: CVE-2023-34411 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-34411 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-34411?: CVE-2023-34411 affects Xml Library Project Xml Library. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-34411?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-34411 published?: CVE-2023-34411 was published on 2023-06-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:xml_library_project:xml_library:*:*:*:*:*:rust:*:*

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