CVE-2025-10998Public exploit

ChemKin parser crash via unchecked empty qualifier tokens

Published Sep 26, 2025 · Updated Sep 26, 2025

NULL pointer dereference in Open Babel 3.1.1 and earlier allows attackers to crash ChemKin parsing via a crafted input file. ChemKinFormat::ReadReactionQualifierLines tokenizes each qualifier line but indexes toks[0] without first rejecting an empty token vector, dereferencing invalid string storage. The crash occurs only when a user or application opens the malicious ChemKin file through the CLI, conversion API, or a language binding, with no reported confidentiality or integrity impact.

CVSS severity5.5
Medium
EPSS probability0.21%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

NULL pointer dereference in Open Babel 3.1.1 and earlier allows attackers to crash ChemKin parsing via a crafted input file. ChemKinFormat::ReadReactionQualifierLines tokenizes each qualifier line but indexes toks[0] without first rejecting an empty token vector, dereferencing invalid string storage. The crash occurs only when a user or application opens the malicious ChemKin file through the CLI, conversion API, or a language binding, with no reported confidentiality or integrity impact.

The record

CVE
CVE-2025-10998
Published
Sep 26, 2025
Updated
Sep 26, 2025
Vendor
Open Babel
Product
Open Babel
Classifications
CWE-404, CWE-476, T1204.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 26, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 26, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=3.1.0
  2. Affected versionversion=3.1.1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Open Babel · Open Babelversion=3.1.0; version=3.1.1

Published CVSS scores

3.3VulDB CNACVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
1.9VulDB CNACVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
5.5NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.5GitHub Security AdvisoryCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
1.7VulDB CNAAV:L/AC:L/Au:S/C:N/I:N/A:P

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-404Improper Resource Shutdown or Release
CWE-476NULL Pointer Dereference
T1204.002Malicious File

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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