Openbabel: Duplicate Advisory: Open Babel has out-of-bounds write (overlapping memcpy) in zipstream basic_unzip_streambuf::underflow
A security vulnerability in Open Babel up to version 3.1.1 affects the function zlib_stream::basic_unzip_streambuf::underflow in the zipstream implementation. This vulnerability involves an out-of-bounds write caused by overlapping memcpy operations, leading to memory corruption. Exploitation requires local access. The advisory is a duplicate and has been withdrawn in favor of GHSA-8j3x-m868-cpw8. No patch information is provided in this advisory.
AI Analysis
Technical Summary
The vulnerability in Open Babel (<=3.1.1) concerns an out-of-bounds write in the function basic_unzip_streambuf::underflow within the zipstream implementation, specifically in /src/zipstreamimpl.h. This occurs due to overlapping memcpy operations, resulting in memory corruption. The attack requires local access and has been publicly disclosed. This advisory is a duplicate and withdrawn, referencing GHSA-8j3x-m868-cpw8 for the original report. No patch or remediation details are included in this data.
Potential Impact
The vulnerability allows local attackers to cause memory corruption via an out-of-bounds write in the unzip stream buffer. This could potentially lead to undefined behavior or crashes. There is no indication of remote exploitation or privilege escalation. The severity is assessed as low.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory GHSA-8j3x-m868-cpw8 for current remediation guidance. Since this advisory is a duplicate and withdrawn, refer to the original advisory for updates. No official fix or patch information is provided here.
Openbabel: Duplicate Advisory: Open Babel has out-of-bounds write (overlapping memcpy) in zipstream basic_unzip_streambuf::underflow
Description
A security vulnerability in Open Babel up to version 3.1.1 affects the function zlib_stream::basic_unzip_streambuf::underflow in the zipstream implementation. This vulnerability involves an out-of-bounds write caused by overlapping memcpy operations, leading to memory corruption. Exploitation requires local access. The advisory is a duplicate and has been withdrawn in favor of GHSA-8j3x-m868-cpw8. No patch information is provided in this advisory.
CVSS v4.0
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in Open Babel (<=3.1.1) concerns an out-of-bounds write in the function basic_unzip_streambuf::underflow within the zipstream implementation, specifically in /src/zipstreamimpl.h. This occurs due to overlapping memcpy operations, resulting in memory corruption. The attack requires local access and has been publicly disclosed. This advisory is a duplicate and withdrawn, referencing GHSA-8j3x-m868-cpw8 for the original report. No patch or remediation details are included in this data.
Potential Impact
The vulnerability allows local attackers to cause memory corruption via an out-of-bounds write in the unzip stream buffer. This could potentially lead to undefined behavior or crashes. There is no indication of remote exploitation or privilege escalation. The severity is assessed as low.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory GHSA-8j3x-m868-cpw8 for current remediation guidance. Since this advisory is a duplicate and withdrawn, refer to the original advisory for updates. No official fix or patch information is provided here.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-5gfq-xrq4-34rj
- Osv Schema Version
- 1.4.0
- Ecosystems
- ["PyPI"]
- Database Specific Severity
- LOW
- Cvss Version
- 4.0
Threat ID: 6a4452da27e9c797198e03cb
Added to database: 06/30/2026, 23:35:54 UTC
Last enriched: 06/30/2026, 23:42:46 UTC
Last updated: 09/07/2026, 23:05:50 UTC
Views: 19
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