Python
CVE-2021-25293
HIGH
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
1Blast Radius
ecosystem impact- 66 pypi packages depend on pillow (29 direct, 37 indirect)
Ecosystem-wide dependent count for version 4.3.0.
DescriptionNVD
An issue was discovered in Pillow before 8.1.1. There is an out-of-bounds read in SGIRleDecode.c.
AnalysisAI
An issue was discovered in Pillow before 8.1.1. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Out-of-bounds Read (CWE-125), which allows attackers to read data from memory outside the intended buffer boundaries. An issue was discovered in Pillow before 8.1.1. There is an out-of-bounds read in SGIRleDecode.c. Affected products include: Python Pillow. Version information: before 8.1.1..
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate array indices and buffer lengths. Use memory-safe languages. Enable AddressSanitizer during testing.
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Same weakness CWE-125 – Out-of-bounds Read
View allSame technique Buffer Overflow
View allShare
External POC / Exploit Code
Leaving vuln.today