EUVD-2022-49109
GHSA-jg3h-pv7c-4f9c
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from GitHub Advisory.
CVSS VectorGitHub Advisory
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
1Blast Radius
ecosystem impact- 27 pypi packages depend on openbabel (25 direct, 2 indirect)
Ecosystem-wide dependent count for version 3.2.0.
DescriptionGitHub Advisory
Summary
A memory-safety vulnerability in Open Babel's Gaussian output parser allowed an out-of-bounds write into the translationVectors[] array when reading a crafted input file.
Details
The Gaussian reader stored periodic-cell translation vectors into a fixed-size translationVectors[] array. A malformed input could push more vectors than the array had slots, causing a write past the end of the array. This is one of five translationVectors[] OOB writes across formats (Gaussian, MOPAC, MOPAC IN, MSI) reported in the TALOS 2022 batch.
Impact
Open Babel is a C++ library and CLI used to read and write chemistry file formats; it is shipped by Linux distributions and embedded in services that may parse untrusted input. Triggering this vulnerability requires the victim to open a malicious Gaussian output file with the obabel tool, the OBConversion API, or any of the language bindings (Python, Ruby, Java, R, Perl, C#, PHP).
Affected versions
All releases up to and including 3.1.1.
Patched version
3.2.0 (released 2026-05-26).
Patch
Fix commit: https://github.com/openbabel/openbabel/commit/40e85213
A minimized reproducer for this CVE is checked in under test/files/fuzz_regress/ and is exercised on every CI build under ASAN+UBSAN by the fuzzregresstest harness.
Credit
Reported by Cisco TALOS.
AnalysisAI
Summary A memory-safety vulnerability in Open Babel's Gaussian output parser allowed an out-of-bounds write into the translationVectors[] array when reading a crafted input file. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
Technical ContextAI
This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application.
Summary A memory-safety vulnerability in Open Babel's Gaussian output parser allowed an out-of-bounds write into the translationVectors[] array when reading a crafted input file.
Details The Gaussian reader stored periodic-cell translation vectors into a fixed-size translationVectors[] array. A malformed input could push more vectors than the array had slots, causing a write past the end of the array. This is one of five translationVectors[] OOB writes across formats (Gaussian, MOPAC, MOPAC IN, MSI) reported in the TALOS 2022 batch.
Impact Open Babel is a C++ library and CLI used to read and write chemistry file formats; it is shipped by Linux distributions and embedded in services that may parse untrusted input. Triggering this vulnerability requires the victim to open a malicious Gaussian output file with the obabel tool, the OBConversion API, or any of the language bindings (Python, Ruby, Java, R, Perl, C#, PHP).
Affected versions All releases up to and including 3.1.1.
Patched version 3.2.0 (released 2026-05-26).
Patch Fix commit: https://github.com/openbabel/openbabel/commit/40e85213 A minimized reproducer for this CVE is checked in under test/files/fuzz_regress/ and is exercised on every CI build under ASAN+UBSAN by the fuzzregresstest harness.
Credit Reported by Cisco TALOS. Version information: version
3.2.0.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.
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Same weakness CWE-119 – Buffer Overflow
View allSame technique Buffer Overflow
View allVendor StatusVendor
SUSE
Severity: Critical| Product | Status |
|---|---|
| openSUSE Tumbleweed | Fixed |
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External POC / Exploit Code
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