CVE-2021-3826

תיאור (מקור, אנגלית)

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.

מדדים

CVSS 3.1

6.5 (MEDIUM) מקור הציון: NVD CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS — סבירות ניצול

2% (אחוזון 100) נכון ל-29/10/2026

CWE

CWE-119, CWE-787

מוצרים מושפעים

gnu: gcc; fedoraproject: fedora

קישורים

• https://gcc.gnu.org/pipermail/gcc-patches/2021-September/579987 Mailing ListPatchVendor Advisory
• https://gcc.gnu.org/pipermail/gcc-patches/2021-September/579987 Mailing ListPatchVendor Advisory
• https://gcc.gnu.org/git/?p=gcc.git%3Ba=commit%3Bh=5481040197402be6dfee265bd2ff‮… Broken Link
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorap‮… Mailing ListThird Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorap‮… Mailing ListThird Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorap‮… Mailing ListThird Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorap‮… Mailing ListThird Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorap‮… Mailing ListThird Party Advisory
• https://gcc.gnu.org/git/?p=gcc.git%3Ba=commit%3Bh=5481040197402be6dfee265bd2ff‮… Broken Link
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorap‮… Mailing ListThird Party Advisory