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Response snapshot Nov 3, 2026, 22:26 UTC

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VulnerabilityCVE-2026-57914

Apache Kerby vulnerable to denial of service

By sending a deeply nested ASN1 structure to a Apache Kerby client or service, it's possible to trigger a StackOverFlow Exception which can lead to denial of service issues. Users are recommended to upgrade to version 2.1.2, which fixes this issue.

At a glance

Exploited
Not known
Severity
6.5 Medium (CVSS 3.1)
Chance of exploitation
Not estimated
Sources
1 source

What to do

GitHub lists first patched versions: org.apache.kerby:kerby-asn1: 2.1.2. Confirm the affected range and upgrade guidance in the exact advisory.

Read GitHub-reviewed advisory GHSA-x6vc-x4v4-hjhr (opens a new tab)

What happened

By sending a deeply nested ASN1 structure to a Apache Kerby client or service, it's possible to trigger a StackOverFlow Exception which can lead to denial of service issues. Users are recommended to upgrade to version 2.1.2, which fixes this issue.

Affected package ranges reported by GitHub: org.apache.kerby:kerby-asn1: < 2.1.2

Scores and how they were measured

CVSS base severity

6.5

Version 3.1As of

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

Measurement source (opens a new tab)

How bad it is if exploited. Not a prediction of exploitation or proof you are exposed.

EPSS probability

Not available

A model's estimate of exploitation in the next 30 days, not certainty or your own risk.

Related technology

Sources

  1. Primary source

    GitHub-reviewed advisory GHSA-x6vc-x4v4-hjhr (opens a new tab)

    The public advisory supplies the description, affected package/version ranges, and any listed CVSS metric. GitHub review is not local review.

    Published Checked

  2. Primary source

    GitHub public advisory API page (opens a new tab)

    The API page supplied GHSA-x6vc-x4v4-hjhr, its actual identifiers, source dates, and structured metrics.

    Published Date not suppliedChecked

Cite this record

For factual claims, cite the primary sources above; cite KEVWire for its compilation, dates, and classifications.

APA

KEVWire. (2026, November 3). Apache Kerby vulnerable to denial of service (CVE-2026-57914). https://kevwire.com/record/CVE-2026-57914

MLA

"Apache Kerby vulnerable to denial of service (CVE-2026-57914)." KEVWire, 3 Nov. 2026, kevwire.com/record/CVE-2026-57914.

Chicago

KEVWire. "Apache Kerby vulnerable to denial of service (CVE-2026-57914)." Last modified November 3, 2026. https://kevwire.com/record/CVE-2026-57914.

Evidence summary (plain text)

Apache Kerby vulnerable to denial of service (Jun 26, 2026).
By sending a deeply nested ASN1 structure to a Apache Kerby client or service, it's possible to trigger a StackOverFlow Exception which can lead to denial of service issues. Users are recommended to upgrade to version 2.1.2, which fixes this issue.
CVSS 6.5 (version 3.1; evidence as of Nov 3, 2026; https://github.com/advisories/GHSA-x6vc-x4v4-hjhr).
Sources:
GitHub-reviewed advisory GHSA-x6vc-x4v4-hjhr: https://github.com/advisories/GHSA-x6vc-x4v4-hjhr
GitHub public advisory API page: https://api.github.com/advisories?type=reviewed&per_page=100&sort=updated&direction=desc
Record ID: CVE-2026-57914.
Record origin: Ingested record.
AI evidence: Not assessed.
Known exploitation: Not assessed.
Zero-day status: Not assessed. KEV membership alone does not establish zero-day status.
About this data

This record was ingested from a data source. Retrieved: Nov 3, 2026, 22:20 UTC. Ingestion is not an independent editorial investigation.

A CISA KEV listing documents known exploitation, not necessarily a zero-day; absence from the catalog does not prove a vulnerability has never been exploited.

Technology tags indicate possible relevance, not verified exposure. Confirm the affected product, version, and configuration against your own inventory; KEVWire does not scan your systems.

A personal reading checklist on this device, not verified remediation.

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