Integer overflow in OpenEXR - CVE-2021-26260
Published: June 27, 2021
Vulnerability identifier: #VU54402
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-2021-26260
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to integer overflow in the DwaCompressor of OpenEXR. A remote attacker can pass specially crafted data to the application, trigger integer overflow and perform a denial of service attack.
Affected software
OpenEXR
Debian Linux
SUSE Linux Enterprise Module for Desktop Applications
Ubuntu
openEuler
Fedora
cflinuxfs3
openexr (Ubuntu package)
libopenexr22 (Ubuntu package)
OpenEXR-debuginfo
OpenEXR-debugsource
OpenEXR
OpenEXR-devel
OpenEXR-libs
libIlmImf-2_2-23
libIlmImf-2_2-23-debuginfo
libIlmImfUtil-2_2-23
libIlmImfUtil-2_2-23-debuginfo
openexr-debuginfo
openexr-debugsource
openexr-devel
mingw-openexr
openexr (Debian package)
Debian Linux
SUSE Linux Enterprise Module for Desktop Applications
Ubuntu
openEuler
Fedora
cflinuxfs3
openexr (Ubuntu package)
libopenexr22 (Ubuntu package)
OpenEXR-debuginfo
OpenEXR-debugsource
OpenEXR
OpenEXR-devel
OpenEXR-libs
libIlmImf-2_2-23
libIlmImf-2_2-23-debuginfo
libIlmImfUtil-2_2-23
libIlmImfUtil-2_2-23-debuginfo
openexr-debuginfo
openexr-debugsource
openexr-devel
mingw-openexr
openexr (Debian package)
How to mitigate CVE-2021-26260
Install updates from vendor's website.
OpenEXR - update to 3.0.1
cflinuxfs3 - update to 0.247.0
openexr (Ubuntu package) - addressed in versions 2.2.0-11.1ubuntu1.7, 2.2.010ubuntu2.6+esm1
libopenexr22 (Ubuntu package) - addressed in versions 2.2.0-11.1ubuntu1.7, 2.2.010ubuntu2.6+esm1
OpenEXR-debuginfo - update to 2.2.0-20
OpenEXR-debugsource - update to 2.2.0-20
OpenEXR - update to 2.2.0-20
OpenEXR-devel - update to 2.2.0-20
OpenEXR-libs - update to 2.2.0-20
libIlmImf-2_2-23 - update to 2.2.1-3.27.1
libIlmImf-2_2-23-debuginfo - update to 2.2.1-3.27.1
libIlmImfUtil-2_2-23 - update to 2.2.1-3.27.1
libIlmImfUtil-2_2-23-debuginfo - update to 2.2.1-3.27.1
openexr-debuginfo - update to 2.2.1-3.27.1
openexr-debugsource - update to 2.2.1-3.27.1
openexr-devel - update to 2.2.1-3.27.1
mingw-openexr - update to 2.4.1-4.fc33
openexr (Debian package) - update to 2.5.4-2+deb11u1
cflinuxfs3 - update to 0.247.0
openexr (Ubuntu package) - addressed in versions 2.2.0-11.1ubuntu1.7, 2.2.010ubuntu2.6+esm1
libopenexr22 (Ubuntu package) - addressed in versions 2.2.0-11.1ubuntu1.7, 2.2.010ubuntu2.6+esm1
OpenEXR-debuginfo - update to 2.2.0-20
OpenEXR-debugsource - update to 2.2.0-20
OpenEXR - update to 2.2.0-20
OpenEXR-devel - update to 2.2.0-20
OpenEXR-libs - update to 2.2.0-20
libIlmImf-2_2-23 - update to 2.2.1-3.27.1
libIlmImf-2_2-23-debuginfo - update to 2.2.1-3.27.1
libIlmImfUtil-2_2-23 - update to 2.2.1-3.27.1
libIlmImfUtil-2_2-23-debuginfo - update to 2.2.1-3.27.1
openexr-debuginfo - update to 2.2.1-3.27.1
openexr-debugsource - update to 2.2.1-3.27.1
openexr-devel - update to 2.2.1-3.27.1
mingw-openexr - update to 2.4.1-4.fc33
openexr (Debian package) - update to 2.5.4-2+deb11u1