CVE-2010-0421

Description

Array index error in the hb_ot_layout_build_glyph_classes function in pango/opentype/hb-ot-layout.cc in Pango before 1.27.1 allows context-dependent attackers to cause a denial of service (application crash) via a crafted font file, related to building a synthetic Glyph Definition (aka GDEF) table by using this font's charmap and the Unicode property database.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 1.66% Top 20%
Vendor Advisory mandriva.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.mandriva.com/security/advisories?name=MDVSA-2010:121 vendor advisory
http://www.vupen.com/english/advisories/2010/1552 vdb entry
https://bugzilla.redhat.com/show_bug.cgi?id=555831
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9417 vdb entry signature
http://ftp.gnome.org/pub/GNOME/sources/pango/1.27/pango-1.27.1.tar.bz2 patch
http://secunia.com/advisories/39041 third party advisory
http://www.debian.org/security/2010/dsa-2019 vendor advisory
http://www.redhat.com/support/errata/RHSA-2010-0140.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.html vendor advisory
http://www.vupen.com/english/advisories/2010/0661 vdb entry
http://lists.opensuse.org/opensuse-security-announce/2010-04/msg00002.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00002.html vendor advisory
http://www.securityfocus.com/bid/38760 vdb entry
http://www.vupen.com/english/advisories/2010/0627 vdb entry
http://securitytracker.com/id?1023711 vdb entry

Frequently Asked Questions

What is the severity of CVE-2010-0421?
CVE-2010-0421 has been scored as a medium severity vulnerability.
How to fix CVE-2010-0421?
To fix CVE-2010-0421, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2010-0421 being actively exploited in the wild?
It is possible that CVE-2010-0421 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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