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CVE-2026-42311

34
FAUCET Score

Pillow is a Python imaging library. From version 10.3.0 to before version 12.2.0, processing a malicious PSD file could lead to memory corruption, potentially resulting in a crash or arbitrary code execution. This issue has been patched in version 12.2.0.

First published: May 9, 2026Last modified: May 12, 2026

Impacted Technologies

VendorProductVersion(s)CPE
>= 10.3.0, < 12.2.0CPE matchmatch criteria
cpe:2.3:a:python:pillow:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

8.6HIGH

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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

Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
HIGH
VS Integrity
HIGH
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.15%
Probability of exploitation in next 30 days
EPSS Percentile
4.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0015 is in the 3rd percentile among its peer group of 11,617 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: pillowFixed in: 12.2.0
ubuntupatch availablevia ubuntu_usn
Product: pillow (jammy)Fixed in: 9.0.1-1ubuntu0.4
ubuntupatch availablevia ubuntu_usn
Product: pillow (noble)Fixed in: 10.2.0-1ubuntu1.2
ubuntupatch availablevia ubuntu_usn
Product: pillow (questing)Fixed in: 11.3.0-1ubuntu1.3
ubuntupatch availablevia ubuntu_usn
Product: pillow (resolute)Fixed in: 12.1.1-2ubuntu1.2

Vendor Advisories (2)

ubuntuUSN-8399-1

Pillow vulnerabilities

Jun 8, 2026
pipGHSA-pwv6-vv43-88grhigh

Pillow has an OOB Write with Invalid PSD Tile Extents (Integer Overflow)

May 4, 2026

References

github.com / python-pillow/Pillow/commit/58f9a1d166dcb0c274807d4423522d205b0c35ea
Patch
github.com / python-pillow/Pillow/pull/9520
Issue TrackingPatch
github.com / python-pillow/Pillow/releases/tag/12.2.0
ProductRelease Notes
github.com / python-pillow/Pillow/security/advisories/GHSA-pwv6-vv43-88gr
PatchVendor Advisory