CVE-2019-17263
low-risk
Published 2019-10-06
In libyal libfwsi before 20191006, libfwsi_extension_block_copy_from_byte_stream in libfwsi_extension_block.c has a heap-based buffer over-read because rejection of an unsupported size only considers values less than 6, even though values of 6 and 7 are also unsupported. NOTE: the vendor has disputed this as described in the GitHub issue
Do I need to act?
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0.16% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.3/10
Low
LOCAL
/ LOW complexity
Affected Products (1)
Libfwsi
Affected Vendors
References (6)
19
/ 100
low-risk
Severity
13/34 · Low
Exploitability
1/34 · Minimal
Exposure
5/34 · Minimal