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Advisories

libexpat 2.7.2 through 2.8.5 Integer Overflow in expat_realloc

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severity
high
date
Affecting

  • libexpat >= 2.7.2, <= 2.8.5

CWE
  • CWE-190 Integer Overflow or Wraparound
CVSS
8.2
CVSS V4 Vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Credit
Filippo Tedeschi, Matthew Fernandez, Filippo Tedeschi
Description
libexpat versions 2.7.2 through 2.8.5 contain an integer overflow vulnerability in expat_realloc() function on 32-bit platforms when computing allocation sizes. Attackers supplying malicious XML to applications parsing with vulnerable libexpat can cause heap buffer overflow, memory corruption, or denial of service.

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