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patch: Double free of memory in pch.c:another_hunk() causes a crash

🗓️ 06 Aug 2019 13:03:19Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

Patch utility has a double free in pch.c:another_hunk() that can crash the tool via crafted patches.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7ppc64patch0:2.7.1-11.el7patch-0:2.7.1-11.el7.ppc64.rpm
Red Hat Enterprise Linux7ppc64lepatch0:2.7.1-11.el7patch-0:2.7.1-11.el7.ppc64le.rpm
Red Hat Enterprise Linux7s390xpatch0:2.7.1-11.el7patch-0:2.7.1-11.el7.s390x.rpm
Red Hat Enterprise Linux7x86_64patch0:2.7.1-11.el7patch-0:2.7.1-11.el7.x86_64.rpm
Red Hat Enterprise Linux7ppc64patch-debuginfo0:2.7.1-11.el7patch-debuginfo-0:2.7.1-11.el7.ppc64.rpm
Red Hat Enterprise Linux7ppc64lepatch-debuginfo0:2.7.1-11.el7patch-debuginfo-0:2.7.1-11.el7.ppc64le.rpm
Red Hat Enterprise Linux7s390xpatch-debuginfo0:2.7.1-11.el7patch-debuginfo-0:2.7.1-11.el7.s390x.rpm
Red Hat Enterprise Linux7x86_64patch-debuginfo0:2.7.1-11.el7patch-debuginfo-0:2.7.1-11.el7.x86_64.rpm

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25 Jun 2026 10:53Current
5.7Medium risk
Vulners AI Score5.7
CVSS 25
CVSS 37.5
EPSS0.08411
4