xschem 2.9.9 through 3.4.7 contains an out-of-bounds read vulnerability in read_xschem_file() in src/save.c that mishandles embedded-symbol records lacking a preceding instance. Attackers can supply a crafted schematic beginning with a "[" record, causing xschem to read and dereference memory below the instance array and crash.
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References
History
Fri, 13 Nov 2026 15:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | xschem 2.9.9 through 3.4.7 contains an out-of-bounds read vulnerability in read_xschem_file() in src/save.c that mishandles embedded-symbol records lacking a preceding instance. Attackers can supply a crafted schematic beginning with a "[" record, causing xschem to read and dereference memory below the instance array and crash. | |
| Title | xschem 2.9.9 through 3.4.7 Out-of-Bounds Read via read_xschem_file() Embedded-Symbol Record | |
| Weaknesses | CWE-125 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-11-13T21:05:14.655Z
Reserved: 2026-11-13T14:31:49.944Z
Link: CVE-2026-128991
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Status : Received
Published: 2026-11-13T15:17:45.360
Modified: 2026-11-13T21:17:46.120
Link: CVE-2026-128991
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OpenCVE Enrichment
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Weaknesses