MGASA-2016-0396

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Source
https://advisories.mageia.org/MGASA-2016-0396.html
Import Source
https://advisories.mageia.org/MGASA-2016-0396.json
JSON Data
https://api.test.osv.dev/v1/vulns/MGASA-2016-0396
Related
Published
2016-11-23T11:11:14Z
Modified
2016-11-23T08:54:38Z
Summary
Updated flex packages fix security vulnerability
Details

It was found that flex incorrectly resized the numtoread variable in yygetnext_buffer. The buffer is resized if this value is less or equal to zero. With special crafted input it is possible, that the buffer is not resized if the input is larger than the default buffer size of 16k. This allows a heap buffer overflow. It may be possible to exploit this remotely, depending on the application that is built using flex (CVE-2016-6354).

Note that any affected applications would need to be rebuilt with the updated flex to fully fix this issue.

References
Credits

Affected packages

Mageia:5 / flex

Package

Name
flex
Purl
pkg:rpm/mageia/flex?distro=mageia-5

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.5.39-3.1.mga5

Ecosystem specific 

{
    "section": "core"
}