CVE-2021-3826

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Source
https://cve.org/CVERecord?id=CVE-2021-3826
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-3826.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-3826
Downstream
Related
Published
2022-09-01T21:15:08Z
Modified
2026-07-07T08:50:53Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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.

Database specific 
{
    "unresolved_ranges": [
        {
            "cpes": [
                "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "introduced": "35"
                },
                {
                    "last_affected": "35"
                },
                {
                    "introduced": "36"
                },
                {
                    "last_affected": "36"
                },
                {
                    "introduced": "37"
                },
                {
                    "last_affected": "37"
                }
            ],
            "source": "CPE_STRING",
            "vendor_product": "fedoraproject:fedora"
        }
    ]
}
References

Affected packages

Git / github.com/gcc-mirror/gcc

Affected ranges

Type
GIT
Repo
https://github.com/gcc-mirror/gcc
Events
Introduced
7ca388565af176bd4efd4f8db1e5e9e11e98ef45
Last Affected
7ca388565af176bd4efd4f8db1e5e9e11e98ef45
Database specific
Show details 
{
    "cpe": "cpe:2.3:a:gnu:gcc:11.2:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "11.2"
        },
        {
            "last_affected": "11.2"
        }
    ],
    "source": "CPE_STRING"
}

Affected versions

11.*
11.2
releases/gcc-11.*
releases/gcc-11.2.0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-3826.json"