vulnerability
Red Hat: CVE-2021-3826: Heap/stack buffer overflow in the dlang_lname function in d-demangle.c (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:N/I:N/A:C) | Sep 1, 2022 | Nov 8, 2023 | Sep 29, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Sep 1, 2022
Added
Nov 8, 2023
Modified
Sep 29, 2025
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.
Solutions
no-fix-redhat-rpm-packageredhat-upgrade-gdbredhat-upgrade-gdb-debuginforedhat-upgrade-gdb-debugsourceredhat-upgrade-gdb-docredhat-upgrade-gdb-gdbserverredhat-upgrade-gdb-headlessredhat-upgrade-gdb-minimal
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