CVE-2026-117555

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.12% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 2.5% of scored records. A rank, not a probability.

NVD base score

6.9 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Deferred. NVD last modified this record on 2026-10-27.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-10-27 13:07Z2 DAYS AGO

Last updated

2026-10-27 13:07Z2 DAYS AGO

Reserved

2026-10-27

Assigning CNA

VulnCheck

Record state

PUBLISHED

Severity

Medium (CVSS 6.9)

CNA CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N

Weaknesses

• CWE-190Integer Overflow or WraparoundBase

Data version

5.2

Document digest

129ae46240aa94c9fa5742cc5961a1650b5141ee294efbc55bc841fb6cbd13f1

• github.comGitHub Issue #495https://github.com/GreycLab/CImg/issues/495issue-tracking
• github.comhttps://github.com/GreycLab/CImgproduct
• github.comhttps://github.com/GreycLab/CImg/commit/b9ed613d9984f9caa1617b97e1db7e429cf14fd5patch
• github.comhttps://github.com/GreycLab/CImg/blob/v.4.0.6/CImg.h#L55659technical-description
• www.vulncheck.comVulnCheck Advisory: GreycLab CImg through 4.0.6 Heap Out-of-Bounds Read via Integer Overflow in _load_bmp()https://www.vulncheck.com/advisories/greyclab-cimg-through-4.0.6-heap-out-of-bounds-read-via-integer-overflow-in-load-bmpthird-party-advisory