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tcpdump: ethernet printer osi_print_cksum() missing sanity checks out-of-bounds read

🗓️ 01 Aug 2017 12:00:24Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 2 Views

Tcpdump before 4.7.2 allows out-of-bounds read in osi_print_cksum, enabling denial of service.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7aarch64tcpdump14:4.9.0-5.el7tcpdump-14:4.9.0-5.el7.aarch64.rpm
Red Hat Enterprise Linux7ppc64tcpdump14:4.9.0-5.el7tcpdump-14:4.9.0-5.el7.ppc64.rpm
Red Hat Enterprise Linux7ppc64letcpdump14:4.9.0-5.el7tcpdump-14:4.9.0-5.el7.ppc64le.rpm
Red Hat Enterprise Linux7s390xtcpdump14:4.9.0-5.el7tcpdump-14:4.9.0-5.el7.s390x.rpm
Red Hat Enterprise Linux7x86_64tcpdump14:4.9.0-5.el7tcpdump-14:4.9.0-5.el7.x86_64.rpm
Red Hat Enterprise Linux7aarch64tcpdump-debuginfo14:4.9.0-5.el7tcpdump-debuginfo-14:4.9.0-5.el7.aarch64.rpm
Red Hat Enterprise Linux7ppc64tcpdump-debuginfo14:4.9.0-5.el7tcpdump-debuginfo-14:4.9.0-5.el7.ppc64.rpm
Red Hat Enterprise Linux7ppc64letcpdump-debuginfo14:4.9.0-5.el7tcpdump-debuginfo-14:4.9.0-5.el7.ppc64le.rpm
Red Hat Enterprise Linux7s390xtcpdump-debuginfo14:4.9.0-5.el7tcpdump-debuginfo-14:4.9.0-5.el7.s390x.rpm
Red Hat Enterprise Linux7x86_64tcpdump-debuginfo14:4.9.0-5.el7tcpdump-debuginfo-14:4.9.0-5.el7.x86_64.rpm
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13 May 2026 01:17Current
7.4High risk
Vulners AI Score7.4
CVSS 25
EPSS0.04505
2