Description
A security vulnerability has been detected in Open Babel up to 3.1.1. This vulnerability affects the function zlib_stream::basic_unzip_streambuf::underflow in the library /src/zipstreamimpl.h. Such manipulation leads to memory corruption. Local access is required to approach this attack. The exploit has been disclosed publicly and may be used.
References (5)
Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.325923
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.325923
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.654059
Exploit, Issue Tracking issue-tracking
https://github.com/openbabel/openbabel/issues/2832
Exploit exploit
https://github.com/user-attachments/files/22318572/poc.zip
Scores
CVSS v3
5.3
EPSS
0.0020
EPSS Percentile
9.3%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-119
Status
published
Products (1)
openbabel/open_babel
< 3.1.1
Published
Sep 26, 2025
Tracked Since
Feb 18, 2026