Out-of-bounds read in HarfBuzz - CVE-2015-9274
Published: November 29, 2022
Vulnerability identifier: #VU69668
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-9274
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition when handling GPOS and GSUB table in hb-ot-layout-gpos-table.hh, hb-ot-layout-gsub-table.hh, and hb-ot-layout-gsubgpos-private.hh files. A remote attacker can pass specially crafted data to the application, trigger an out-of-bounds read error and perform a denial of service attack.
Affected software
HarfBuzz
Ubuntu
libharfbuzz0b (Ubuntu package)
libharfbuzz-bin (Ubuntu package)
Ubuntu
libharfbuzz0b (Ubuntu package)
libharfbuzz-bin (Ubuntu package)
How to mitigate CVE-2015-9274
Install updates from vendor's website.
HarfBuzz - update to 1.0.4
libharfbuzz0b (Ubuntu package) - update to Ubuntu Pro (Infra-only)
libharfbuzz-bin (Ubuntu package) - update to Ubuntu Pro (Infra-only)
libharfbuzz0b (Ubuntu package) - update to Ubuntu Pro (Infra-only)
libharfbuzz-bin (Ubuntu package) - update to Ubuntu Pro (Infra-only)