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Red Hat: CVE-2021-3826: Heap/stack buffer overflow in the dlang_lname function in d-demangle.c (Multiple Advisories)

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Red Hat: CVE-2021-3826: Heap/stack buffer overflow in the dlang_lname function in d-demangle.c (Multiple Advisories)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
09/01/2022
Created
11/09/2023
Added
11/08/2023
Modified
01/24/2024

Description

Heap/stack buffer overflow in the dlang_lname function in d-demangle.c in libiberty allows attackers to potentially cause a denial of service (segmentation fault and crash) via a crafted mangled symbol.

Solution(s)

  • redhat-upgrade-gdb
  • redhat-upgrade-gdb-debuginfo
  • redhat-upgrade-gdb-debugsource
  • redhat-upgrade-gdb-doc
  • redhat-upgrade-gdb-gdbserver
  • redhat-upgrade-gdb-headless
  • redhat-upgrade-gdb-minimal

References

  • CVE-2021-3826
  • RHSA-2023:6372

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