CVE-2023-28118

highpriority · track · 30EPSS 0.010 · 62 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.97% (62nd) EPSS

CVSS 7.5 · high

Is it mine?

6 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

kaml provides YAML support for kotlinx.serialization. Prior to version 0.53.0, applications that use kaml to parse untrusted input containing anchors and aliases may consume excessive memory and crash. Version 0.53.0 and later default to refusing to parse YAML documents containing anchors and aliases. There are no known workarounds.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · security-advisories@github.comexploitability 3.9 · impact 3.6

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · OSV

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-776USCWE-776US

affected products (6)

Products and version ranges known to be affected.

IBM Security Guardium 11.3all versionscert_bundDEcpe:/a:ibm:security_guardium:11.3
IBM Security Guardium 11.4all versionscert_bundDEcpe:/a:ibm:security_guardium:11.4
IBM Security Guardium 11.5all versionscert_bundDEcpe:/a:ibm:security_guardium:11.5
charleskorn kaml≤ < 0.53.0enisa_euvdEU
kaml project kaml< 0.53.0nvdUScpe:2.3:a:kaml_project:kaml:*:*:*:*:*:*:*:*
Maven com.charleskorn.kaml:kaml< 0.53.0osvUSpkg:maven/com.charleskorn.kaml/kaml

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2858IBM Security Guardium: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2023-11-08csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in IBM Security Guardium ausnutzen, um einen Denial of Service Angriff durchzuführen.
GHSA-c24f-2j3g-rg48kaml has potential denial of service while parsing input with anchors and aliases 2023-03-20ghsa · osvUS
### Impact Applications that use kaml to parse untrusted input containing anchors and aliases may consume excessive memory and crash. ### Patches Version 0.53.0 and later default to refusing to parse YAML documents containing anchors and aliases. ### Workarounds None. ### References Wikipedia has an explanation of this class of vulnerability: [billion laughs attack](https://en.wikipedia.org/wiki/Billion_laughs_attack) ### Acknowledgements Thank you to @gdude2002 for reporting this issue.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd osv NVD CVE.org MITRE

published 2023-03-20modified 2026-06-17

references (10)

External citations — patches, advisories, analysis.

scry

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