VDB

CVE-2026-56365

CVE-2026-56365 PUBLISHED CVSS 6.3 MEDIUM

ImageMagick - Memory Leak in PNG Encoder via MNG Image Writing

Reported by vulncheck · Published June 30, 2026

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.

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

PackageEcosystemFixed in
ImageMagick-c++-develAmazon Linux6.9.10.97-1.amzn2.0.32, 1:6.9.13.54-1.amzn2023
ImageMagickAmazon Linux6.9.10.97-1.amzn2.0.32, 1:6.9.13.54-1.amzn2023
ImageMagick-c++Amazon Linux1:6.9.13.54-1.amzn2023
ImageMagick-libsAmazon Linux1:6.9.13.54-1.amzn2023
ImageMagick-perlAmazon Linux6.9.10.97-1.amzn2.0.32, 1:6.9.13.54-1.amzn2023
ImageMagick-docAmazon Linux6.9.10.97-1.amzn2.0.32
ImageMagick-develAmazon Linux6.9.10.97-1.amzn2.0.32

Risk scores

CVSS 4.0
6.3
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

Affected products

VendorProductVersions
ImageMagickImageMagick7.0.0, 7.1.2-19
ImageMagickImageMagick0, 6.9.13-44
amazon:2023ImageMagick-c++-devel0
amazon:2ImageMagick-c++-devel0
amazon:2ImageMagick0
amazon:2023ImageMagick-c++0
amazon:2023ImageMagick-libs0
amazon:2023ImageMagick-perl0
amazon:2ImageMagick-doc0
amazon:2ImageMagick-perl0
amazon:2023ImageMagick0
amazon:2ImageMagick-devel0
imagemagickimagemagick0, 7.0.0
amazon:2023ImageMagick-doc0
ImageMagickImageMagick7.0.0, 7.1.2-19, 0
amazon:2023ImageMagick-devel0
amazon:2ImageMagick-c++0

Timeline

  • Jun 30, 2026 CVE Published
  • Jul 1, 2026 EPSS Score (23 in total, the first dated here)
  • Jul 1, 2026 Coalition ESS Score
  • Aug 11, 2026 Distribution Patch
  • Aug 11, 2026 Security Advisory (6 in total, the first dated here)

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln CVE-2026-56365
vulnetix vdb fixes CVE-2026-56365

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2026-56365/fixes/registry"

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References

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