What’s Vulnerable › Vulnerabilities

CVE-2026-110661: CGNS through 4.5.2 Stack Out-of-Bounds Read via ADFI_read_node_header

• Severity: low (CVSS 3.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-14 · updated 2026-10-16
• Weakness: CWE-125

Description

CGNS through 4.5.2 contains a stack out-of-bounds read vulnerability in ADFI_read_node_header that allows attackers to crash applications by supplying crafted ADF node headers. Attackers can craft .cgns or .adf files whose non-NUL-terminated end tag causes ADFI_stridx_c to scan past disk_node_data, crashing tools like cgnslist.

Affected products

• CGNS: through 4.5.2

References

• https://github.com/CGNS/CGNS
• https://github.com/CGNS/CGNS/blob/3a972d92559787a49c5f9a54974ea1946ecb9d21/src/adf/ADF_internals.c#L6828
• https://hackmd.io/@haind-pwn/cgns-adf-node-header-oob-read
• https://www.vulncheck.com/advisories/cgns-through-4.5.2-stack-out-of-bounds-read-via-adfi-read-node-header

Get alerted when CVE-2026-110661 or the next vulnerability affects your stack