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osvGoogleOSV:USN-5638-1
HistorySep 26, 2022 - 2:19 p.m.

expat vulnerability

2022-09-2614:19:17
Google
osv.dev
17
expat
vulnerability
rhodri james
memory
xml
files
attacker
crash
execute
arbitrary code
software

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

7.7

Confidence

Low

EPSS

0.006

Percentile

77.8%

Rhodri James discovered that Expat incorrectly handled memory when
processing certain malformed XML files. An attacker could possibly
use this issue to cause a crash or execute arbitrary code.

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

7.7

Confidence

Low

EPSS

0.006

Percentile

77.8%