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libpcap: Resource exhaustion during PHB header length validation

🗓️ 04 Nov 2020 00:59:33Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 6 Views

Resource exhaustion in libpcap due to PHB header length validation bug in sf-pcapng.c prior to 1.9.1.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64libpcap14:1.9.1-4.el8libpcap-14:1.9.1-4.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lelibpcap14:1.9.1-4.el8libpcap-14:1.9.1-4.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xlibpcap14:1.9.1-4.el8libpcap-14:1.9.1-4.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64libpcap14:1.9.1-4.el8libpcap-14:1.9.1-4.el8.x86_64.rpm
Red Hat Enterprise Linux8anylibpcap14:1.9.1-4.el8.i686libpcap-14:1.9.1-4.el8.i686.noarch.rpm
Red Hat Enterprise Linux8aarch64libpcap-debuginfo14:1.9.1-4.el8libpcap-debuginfo-14:1.9.1-4.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lelibpcap-debuginfo14:1.9.1-4.el8libpcap-debuginfo-14:1.9.1-4.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xlibpcap-debuginfo14:1.9.1-4.el8libpcap-debuginfo-14:1.9.1-4.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64libpcap-debuginfo14:1.9.1-4.el8libpcap-debuginfo-14:1.9.1-4.el8.x86_64.rpm
Red Hat Enterprise Linux8anylibpcap-debuginfo14:1.9.1-4.el8.i686libpcap-debuginfo-14:1.9.1-4.el8.i686.noarch.rpm
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25 Jun 2026 10:57Current
6.8Medium risk
Vulners AI Score6.8
CVSS 25
CVSS 3.15.3
EPSS0.02834
SSVC
6