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TI-2023-20832 Aliases CVE-2023-39936GHSA-3f6x-6xxh-4m9v

Ashlar-Vellum Graphite Out-of-bounds Read

Priority LOW 36CWE-125Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

In Ashlar-Vellum Graphite v13.0.48, the affected application lacks proper validation of user-supplied data when parsing VC6 files. This could lead to an out-of-bounds read. An attacker could leverage this vulnerability to execute arbitrary code in the context of the current process.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00399 34th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Ashlar-VellumGraphitev13.0.48—No fix listedCNA
  • Graphite VendorAshlar-Vellum Affected v13.0.48 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:ashlar:graphite:*:*:*:*:*:*:*:*up to 13.0.48VulnerableAshlar-Vellum
  • cpe:2.3:a:ashlar:graphite:*:*:*:*:*:*:*:* Versions up to 13.0.48 Vulnerable ·Ashlar-Vellum

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-39936
  2. 2026-10-03 Alias added: GHSA-3f6x-6xxh-4m9v

References

  • TI-2023-17142 Out-of-bounds write in Ashlar-Vellum Graphite CVSS 3.1HIGH 8.8
  • TI-2023-17141 Out-of-bounds write in Ashlar-Vellum Graphite CVSS 3.1HIGH 8.8
  • TI-2023-17140 Stack-based buffer overflow in Ashlar-Vellum Graphite CVSS 3.1HIGH 8.8
  • TI-2025-07301 Ashlar-Vellum Graphite VC6 File Parsing Uninitialized Variable Remote Code Execution… CVSS 3.0HIGH 7.8
  • TI-2025-07298 Ashlar-Vellum Graphite VC6 File Parsing Uninitialized Variable Remote Code Execution… CVSS 3.0HIGH 7.8
  • TI-2024-12099 Heap-based buffer overflow in Ashlar-Vellum Graphite CVSS 3.1HIGH 7.8
See all 14 →

Sources