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CVE-2020-15904

High

Description

A buffer overflow in the patching routine of bsdiff4 before 1.2.0 allows an attacker to write to heap memory (beyond allocated bounds) via a crafted patch file.

SeverityHigh
CVSS7.8
Exploit probability—
ProductPypi Bsdiff4
PublishedJul 22, 2020
First seenJul 22, 2020

How to fix

Update
  • pypi bsdiff41.2.0 or later
  • bsdiff41.2.0 or later

Affected products

ProductAffected versionsFixed in
pypi bsdiff4v < 1.2.01.2.0
bsdiff4PyPIv < 1.2.01.2.0

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