| Title | Open Babel 3.1.1 / master commit 889c350 NULL Pointer Dereference |
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| Description | Open Babel 3.1.1 (master commit 889c350) contains a null pointer dereference vulnerability in the Cacao format parser. Specifically, the function CacaoFormat::SetHilderbrandt assumes that all OBAtom* pointers in its internal coordinate list are valid. When a crafted input causes a null or corrupted atom pointer to be inserted, the code calls OBAtom::GetIdx() on this invalid pointer, leading to a crash at address 0x30. |
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| Source | ⚠️ https://github.com/openbabel/openbabel/issues/2827 |
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| User | ahuo (UID 90189) |
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| Submission | 09/14/2025 10:07 (10 months ago) |
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| Moderation | 09/25/2025 20:05 (11 days later) |
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| Status | Accepted |
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| VulDB entry | 325927 [Open Babel up to 3.1.1 cacaoformat.cpp SetHilderbrandt null pointer dereference] |
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| Points | 20 |
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