https://bugzilla.redhat.com/show_bug.cgi?id=1890210
Bug ID: 1890210
Summary: CVE-2020-15999 freetype: heap-based buffer overflow
via malformed ttf files
Product: Security Response
Hardware: All
OS: Linux
Status: NEW
Component: vulnerability
Keywords: Security
Severity: medium
Priority: medium
Assignee: security-response-team(a)redhat.com
Reporter: gsuckevi(a)redhat.com
CC: ajax(a)redhat.com, caillon+fedoraproject(a)gmail.com,
erack(a)redhat.com, fonts-bugs(a)lists.fedoraproject.org,
gecko-bugs-nobody(a)redhat.com, gghezzo(a)redhat.com,
gnome-sig(a)lists.fedoraproject.org, gparvin(a)redhat.com,
jhorak(a)redhat.com, john.j5live(a)gmail.com,
jramanat(a)redhat.com, jweiser(a)redhat.com,
kevin(a)tigcc.ticalc.org, mclasen(a)redhat.com,
mkasik(a)redhat.com, rhughes(a)redhat.com,
rstrode(a)redhat.com, sandmann(a)redhat.com,
scorneli(a)redhat.com, stcannon(a)redhat.com,
stransky(a)redhat.com, thee(a)redhat.com,
tpopela(a)redhat.com
Target Milestone: ---
Classification: Other
A flaw was found in freetype in the way it processes PNG images embedded into
fonts. A crafted TTF file can lead to heap-based buffer overflow due to integer
truncation in Load_SBit_Png function.
Reference:
https://savannah.nongnu.org/bugs/?59308
Upstream patch:
https://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=a3bab...
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