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exiv2: out-of-bounds read in CiffDirectory::readDirectory due to lack of size check

🗓️ 29 Sep 2020 20:11:54Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 5 Views

Exiv2 Canon CRW parsing fails bounds check, causing out-of-bounds read that may crash or leak memory.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7ppc64exiv20:0.27.0-3.el7_8exiv2-0:0.27.0-3.el7_8.ppc64.rpm
Red Hat Enterprise Linux7ppc64leexiv20:0.27.0-3.el7_8exiv2-0:0.27.0-3.el7_8.ppc64le.rpm
Red Hat Enterprise Linux7s390xexiv20:0.27.0-3.el7_8exiv2-0:0.27.0-3.el7_8.s390x.rpm
Red Hat Enterprise Linux7x86_64exiv20:0.27.0-3.el7_8exiv2-0:0.27.0-3.el7_8.x86_64.rpm
Red Hat Enterprise Linux7ppcexiv2-debuginfo0:0.27.0-3.el7_8exiv2-debuginfo-0:0.27.0-3.el7_8.ppc.rpm
Red Hat Enterprise Linux7ppc64exiv2-debuginfo0:0.27.0-3.el7_8exiv2-debuginfo-0:0.27.0-3.el7_8.ppc64.rpm
Red Hat Enterprise Linux7ppc64leexiv2-debuginfo0:0.27.0-3.el7_8exiv2-debuginfo-0:0.27.0-3.el7_8.ppc64le.rpm
Red Hat Enterprise Linux7s390exiv2-debuginfo0:0.27.0-3.el7_8exiv2-debuginfo-0:0.27.0-3.el7_8.s390.rpm
Red Hat Enterprise Linux7s390xexiv2-debuginfo0:0.27.0-3.el7_8exiv2-debuginfo-0:0.27.0-3.el7_8.s390x.rpm
Red Hat Enterprise Linux7x86_64exiv2-debuginfo0:0.27.0-3.el7_8exiv2-debuginfo-0:0.27.0-3.el7_8.x86_64.rpm
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25 Jun 2026 10:56Current
5.7Medium risk
Vulners AI Score5.7
CVSS 24.3
CVSS 3.16.5
EPSS0.01851
5