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01 Record

CVE-2026-112401

Pillow: Quadratic GIF comment concatenation allows DoS in Image.open()

MediumPUBLISHEDCNA: GitHub_M
CNA base score6.9 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

02 Description

Pillow: Quadratic GIF comment concatenation allows DoS in Image.open()

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
Not scored by EPSS
EPSS percentile
Not scored by EPSS
NVD base score
The NVD has published no score for this record
NVD CVSS vector
No NVD score to derive
NVD analysis status
Not recorded
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-10-19 21:15Z1 HR AGO
Last updated
2026-10-19 21:15Z1 HR AGO
Reserved
2026-10-19
Assigning CNA
GitHub_M
Record state
PUBLISHED
Severity
Medium (CVSS 6.9)
CNA CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Weaknesses
  • CWE-407Inefficient Algorithmic ComplexityClass
Data version
5.2
Document digest
ea272277abdc5979fe2fef9adf1f55804c0676a39e90ffd472511d2f38e57e00

05 Affected products

VendorProductVersionsPlatforms
python-pillowPillow>= 5.4.0, < 13.0.0—

06 References