CVE-2025-46400: Xfig: fig2dev segmentation fault in read_arcobject
In xfig diagramming tool, a segmentation fault while running fig2dev allows an attacker to availability via local input manipulation via read_arcobject function.
Security readout for executives and security teams
Plain-English summary
CVE-2025-46400 is a local-input issue in xfig/transfig’s fig2dev processing. A crafted diagram input can trigger a segmentation fault in read_arcobject. For most organizations this is a moderate operational risk, mainly where servers or workflows process untrusted .fig files.
Executive priority
Treat as a moderate patch-management item. Prioritize environments that process externally supplied diagram files or run fig2dev in automated workflows.
Technical view
The source bundle describes a CWE-476 null pointer dereference in fig2dev’s read_arcobject function. CVSS 3.1 is 5.5 with local attack vector, low complexity, low privileges, no user interaction, and unchanged scope. Red Hat marks transfig on RHEL 6, 7, 8, and 9 affected.
Likely exposure
Exposure is most likely on Linux systems with transfig/fig2dev installed, especially RHEL 6-9 hosts or automation that converts user-supplied xfig files.
Exploitation context
The bundle does not show KEV listing or active exploitation. Abuse requires local input manipulation, so internet-wide remote exploitation is not supported by the provided evidence.
Researcher notes
There is an evidence inconsistency: the description emphasizes a segmentation fault, while the CVSS vector records high integrity impact and no availability impact. Validate against vendor advisories before scoring internally.
Mitigation direction
Inventory systems for transfig, fig2dev, and xfig-related conversion workflows.
Apply vendor updates or mitigations from Red Hat, Debian, or package maintainers when available.
Restrict processing of untrusted .fig files until vendor guidance is applied.
Run file conversion jobs with least privilege and process isolation where practical.
Validation and detection
Confirm whether affected RHEL 6-9 systems have transfig installed.
Identify services, CI jobs, or user workflows that invoke fig2dev.
Check vendor advisories for fixed package availability and remediation status.
Review logs for crashes in fig2dev during diagram conversion.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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cwe · low confidence lookup
CWE-476: Exact CWE lookup
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CWE-476 · source CWE mapping
NULL Pointer Dereference
NULL Pointer Dereference represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.