EUVD-2026-82908
GHSA-gqxf-6h36-mg34
Severity by source
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/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
Reachable over the network without auth but only via a specific FLIF-encode path with a malformed value (AC:H); impact is a limited encoder crash, so A:L with C:N/I:N.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
3DescriptionCVE.org
ImageMagick before 7.1.2-31 and 6.9.13-56 contains a division-by-zero flaw in the FLIF encoder. An incorrect value for ticks per second in the image being encoded causes a divide-by-zero and crashes the encoder, resulting in a denial of service. The issue is fixed in 7.1.2-31 and 6.9.13-56.
AnalysisAI
A division-by-zero in ImageMagick's FLIF encoder allows unauthenticated remote attackers to crash the encoder process by supplying an image whose ticks-per-second field yields a zero divisor, causing a denial of service. Affected versions are ImageMagick before 7.1.2-31 (7.x) and before 6.9.13-56 (6.x); exploitation requires that a target application encode attacker-influenced data to FLIF, a relatively uncommon output format, and no public exploit code or active exploitation has been identified at time of analysis.
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the target application uses ImageMagick to ENCODE an image into FLIF format, and that the attacker can influence the image's ticks-per-second field to an invalid (zero-producing) value; the FLIF encoder path must be reachable with attacker-controlled data. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine but low-severity issue: a CWE-369 division-by-zero in ImageMagick's FLIF encoder that crashes the encoder process, producing only a denial of service. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade to ImageMagick 7.1.2-31 or 6.9.13-56, which contain the vendor-released fix; see the GitHub security advisory at https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-4gg2-hfgh-6f5c. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-369 – Divide By Zero
View allSame technique Denial Of Service
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External POC / Exploit Code
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