CVE-2025-10997Public exploit

Memory corruption via malformed ChemKin species record

Published Sep 26, 2025 · Updated Sep 26, 2025

Heap buffer overflow in the ChemKin parser in Open Babel 3.1.1 and earlier allows context-dependent attackers to corrupt memory via crafted files. A malformed species record causes ChemKinFormat::CheckSpecies to access beyond a heap-allocated buffer while looking up the species key. Exploitation requires a user or embedding service to process the file through obabel, OBConversion, or a language binding; the demonstrated result is an ASan-detected crash.

CVSS severity7.8
High
EPSS probability0.28%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Heap buffer overflow in the ChemKin parser in Open Babel 3.1.1 and earlier allows context-dependent attackers to corrupt memory via crafted files. A malformed species record causes ChemKinFormat::CheckSpecies to access beyond a heap-allocated buffer while looking up the species key. Exploitation requires a user or embedding service to process the file through obabel, OBConversion, or a language binding; the demonstrated result is an ASan-detected crash.

The record

CVE
CVE-2025-10997
Published
Sep 26, 2025
Updated
Sep 26, 2025
Vendor
Open Babel
Product
Open Babel
Classifications
CWE-119, CWE-122, T1203
Attack vector
local
Privileges
Unavailable

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 privilegesUnavailable in this record.

What is affected?

Open Babel · Open Babelversion=3.1.0; version=3.1.1

Published CVSS scores

4.3VulDBAV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
7.8GitHub Advisory DatabaseCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
4.8VulDBCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
5.3VulDBCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
5.3VulDBCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

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
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-122Heap-based Buffer Overflow
T1203Exploitation for Client Execution

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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