CVE-2026-56365
mediumpriority · track · 21EPSS 0.003 · 21 %ileDEEURUUSEPSS · scored 2026-10-27
ImageMagick before 7.1.2-19 contains a memory leak vulnerability in the PNG encoder when writing MNG images. Attackers can trigger the encoder failure condition to exhaust memory resources and cause denial of service.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.7–6.3
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (36)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-1126ImageMagick: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2026-04-14csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in ImageMagick ausnutzen, um einen Denial of Service Angriff durchzuführen.
- GHSA-x928-4434-crqjImageMagick has a memory leak in PNG encoder when writing a MNG image2026-04-14ghsa · osvUS
When the PNG encoder fails to write an MNG image it can leak memory.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-x928-4434-crqjcnnvd
- https://www.vulncheck.com/advisories/imagemagick-memory-leak-in-png-encoder-via-mng-image-writingcnnvd
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-x928-4434-crqjenisa_euvd
- https://www.vulncheck.com/advisories/imagemagick-memory-leak-in-png-encoder-via-mng-image-writingenisa_euvd
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-x928-4434-crqjVendor Advisorynvd
- https://www.vulncheck.com/advisories/imagemagick-memory-leak-in-png-encoder-via-mng-image-writingThird Party Advisorynvd
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