CVE & CISA-KEV Catalog

CVE-2026-42310

MEDIUM
5.5
CVSS v3
NVD

Description

Pillow is a Python imaging library. From version 4.2.0 to before version 12.2.0, an attacker can supply a malicious PDF that causes the process to hang indefinitely, consuming 100% CPU and making the application unresponsive. This issue has been patched in version 12.2.0.

CWE-835

How to fix

Remediation Available
pillowDebian
Fixed in:11.1.0-5+deb13u3CVE-2026-42310
Fixed in:12.2.0-1CVE-2026-42310
registry.redhat.io/rhaiis/model-optRed Hat / RHEL
Fixed in:cuda-rhel9@sha256:b4b70c6ac64d7bc7e967165945867e5b8f9026d3b12bfbcf28bf0fb73fcc57fd_amd64RHSA-2026:16008
Fixed in:cuda-rhel9@sha256:3a2527c5c164fad4d2f0fbda199dcd887e5acaf211fe3cd12dc3aa9f499836c0_arm64RHSA-2026:16008
registry.redhat.io/rhaiis/model-optRocky
Fixed in:cuda-rhel9@sha256:b4b70c6ac64d7bc7e967165945867e5b8f9026d3b12bfbcf28bf0fb73fcc57fd_amd64RHSA-2026:16008
Fixed in:cuda-rhel9@sha256:3a2527c5c164fad4d2f0fbda199dcd887e5acaf211fe3cd12dc3aa9f499836c0_arm64RHSA-2026:16008
registry.redhat.io/rhaiis/vllmRocky
Fixed in:cuda-rhel9@sha256:e3c8beb04bd3aa3c14ed0fd1e1bb92cfb697d414b4cb1d537e4d508ca2da60a7_arm64RHSA-2026:16030
Fixed in:rocm-rhel9@sha256:da9b415acbfa49de5960e3d255a1ba0ffad6d0bf67ec1272b1ff70842e819629_amd64RHSA-2026:16009
Fixed in:cuda-rhel9@sha256:3aecb1fcf7c282681d9a83ec51fd2fa2ff078567603942466734f55c8294961c_amd64RHSA-2026:16030
registry.redhat.io/rhaiis/vllmRed Hat / RHEL
Fixed in:rocm-rhel9@sha256:da9b415acbfa49de5960e3d255a1ba0ffad6d0bf67ec1272b1ff70842e819629_amd64RHSA-2026:16009
Fixed in:cuda-rhel9@sha256:3aecb1fcf7c282681d9a83ec51fd2fa2ff078567603942466734f55c8294961c_amd64RHSA-2026:16030
Fixed in:cuda-rhel9@sha256:e3c8beb04bd3aa3c14ed0fd1e1bb92cfb697d414b4cb1d537e4d508ca2da60a7_arm64RHSA-2026:16030
pillowUbuntu
Fixed in:9.0.1-1ubuntu0.4USN-8399-1
Fixed in:10.2.0-1ubuntu1.2USN-8399-1
Fixed in:11.3.0-1ubuntu1.3USN-8399-1
python3-pilUbuntu
Fixed in:9.0.1-1ubuntu0.4USN-8399-1
Fixed in:10.2.0-1ubuntu1.2USN-8399-1
Fixed in:11.3.0-1ubuntu1.3USN-8399-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.13%probability of exploitation in 30 days
3rdpercentile

Low risk: more likely to be exploited than 3% of all known CVEs.

References

Release Notes1
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-12.