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gdb: buffer overflow while opening an ELF for debugging leads to Dos, information dislosure and code execution

🗓️ 28 Apr 2020 16:08:27Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 6 Views

GDB opening an ELF for debugging can overflow a buffer, causing denial of service and disclosure.

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64gdb0:8.2-11.el8gdb-0:8.2-11.el8.aarch64.rpm
Red Hat Enterprise Linux8i686gdb0:8.2-11.el8gdb-0:8.2-11.el8.i686.rpm
Red Hat Enterprise Linux8ppc64legdb0:8.2-11.el8gdb-0:8.2-11.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xgdb0:8.2-11.el8gdb-0:8.2-11.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64gdb0:8.2-11.el8gdb-0:8.2-11.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64gdb-debuginfo0:8.2-11.el8gdb-debuginfo-0:8.2-11.el8.aarch64.rpm
Red Hat Enterprise Linux8i686gdb-debuginfo0:8.2-11.el8gdb-debuginfo-0:8.2-11.el8.i686.rpm
Red Hat Enterprise Linux8ppc64legdb-debuginfo0:8.2-11.el8gdb-debuginfo-0:8.2-11.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xgdb-debuginfo0:8.2-11.el8gdb-debuginfo-0:8.2-11.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64gdb-debuginfo0:8.2-11.el8gdb-debuginfo-0:8.2-11.el8.x86_64.rpm
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21 Nov 2025 18:13Current
7.3High risk
Vulners AI Score7.3
CVSS 26.8
CVSS 3.17.8
EPSS0.02628
6