Description
xschem 2.9.9 through 3.4.7 contains a heap out-of-bounds write vulnerability in read_dataset() in src/rawtovcd.c due to an unchecked variable index. Attackers can supply a crafted ngspice .raw file that, when converted with rawtovcd, writes file-controlled heap pointers at chosen signed offsets, corrupting heap memory.
Published: 2026-11-13
Score: 8.5 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Fri, 13 Nov 2026 15:15:00 +0000

Type Values Removed Values Added
Description xschem 2.9.9 through 3.4.7 contains a heap out-of-bounds write vulnerability in read_dataset() in src/rawtovcd.c due to an unchecked variable index. Attackers can supply a crafted ngspice .raw file that, when converted with rawtovcd, writes file-controlled heap pointers at chosen signed offsets, corrupting heap memory.
Title xschem 2.9.9 through 3.4.7 Heap Out-of-Bounds Write via rawtovcd read_dataset()
Weaknesses CWE-787
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-13T15:01:43.598Z

Reserved: 2026-11-13T14:31:49.944Z

Link: CVE-2026-128990

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-13T15:17:45.207

Modified: 2026-11-13T15:17:45.207

Link: CVE-2026-128990

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses