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SUSE: 2015:0702-1 Important: LibXfont Out-of-Bounds Issue

suse
Calendar Grey April 10, 2015
Dist Suse Esm H88
SUSE announces an important fix for LibXfont, addressing severe vulnerabilities across numerous offerings to ensure system security.
An update that fixes three vulnerabilities is now available

Summary

LibXFont was updated to fix security problems. Following security issues were fixed: - CVE-2015-1802: The bdf parser reads a count for the number of properties defined in a font from the font file, and allocates arrays with entries for each property based on that count. It never checked to see if that count was negative, or large enough to overflow when multiplied by the size of the structures being allocated, and could thus allocate the wrong buffer size, leading to out of bounds writes. - CVE-2015-1803: If the bdf parser failed to parse the data for the bitmap for any character, it would proceed with an invalid pointer to the bitmap data and later crash when trying to read the bitmap from that pointer. - CVE-2015-1804: The bdf parser read metrics values as 32-bit integers,

References

#921978

Cross- CVE-2015-1802 CVE-2015-1803 CVE-2015-1804

Affected Products:

SUSE Linux Enterprise Software Development Kit 12

SUSE Linux Enterprise Server 12

SUSE Linux Enterprise Desktop 12

https://www.suse.com/security/cve/CVE-2015-1802.html

https://www.suse.com/security/cve/CVE-2015-1803.html

https://www.suse.com/security/cve/CVE-2015-1804.html

https://bugzilla.suse.com/show_bug.cgi?id=921978

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2015:0702-1
Rating: important

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