CVE-2021-45960

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Source
https://cve.org/CVERecord?id=CVE-2021-45960
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-45960.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-45960
Downstream
Related
Published
2022-01-01T19:15:08.030Z
Modified
2026-04-16T00:03:29.246933025Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memory).

Database specific 
{
    "unresolved_ranges": [
        {
            "cpe": "cpe:2.3:a:netapp:hci_baseboard_management_controller:h610c:*:*:*:*:*:*:*",
            "source": "CPE_FIELD",
            "extracted_events": [
                {
                    "last_affected": "h610c"
                }
            ]
        },
        {
            "cpe": "cpe:2.3:a:netapp:hci_baseboard_management_controller:h610s:*:*:*:*:*:*:*",
            "source": "CPE_FIELD",
            "extracted_events": [
                {
                    "last_affected": "h610s"
                }
            ]
        },
        {
            "cpe": "cpe:2.3:a:netapp:hci_baseboard_management_controller:h615c:*:*:*:*:*:*:*",
            "source": "CPE_FIELD",
            "extracted_events": [
                {
                    "last_affected": "h615c"
                }
            ]
        },
        {
            "cpe": "cpe:2.3:a:siemens:sinema_remote_connect_server:*:*:*:*:*:*:*:*",
            "source": "CPE_FIELD",
            "extracted_events": [
                {
                    "fixed": "3.1"
                }
            ]
        },
        {
            "cpe": "cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:*",
            "source": "CPE_FIELD",
            "extracted_events": [
                {
                    "fixed": "8.15.3"
                },
                {
                    "introduced": "10.0.0"
                },
                {
                    "fixed": "10.1.1"
                }
            ]
        },
        {
            "cpe": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
            "source": "CPE_FIELD",
            "extracted_events": [
                {
                    "last_affected": "10.0"
                }
            ]
        },
        {
            "cpe": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*",
            "source": "CPE_FIELD",
            "extracted_events": [
                {
                    "last_affected": "11.0"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/libexpat/libexpat

Affected ranges

Type
GIT
Repo
https://github.com/libexpat/libexpat
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
57c7da69b78e3698e112a6b5da19d5109b8232d1
Database specific 
{
    "cpe": "cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*",
    "source": "CPE_FIELD",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "2.4.3"
        }
    ]
}

Affected versions

Other
REC1_0
R_1_95_0
R_1_95_2
R_1_95_3
R_1_95_4
R_1_95_5
R_1_95_6
R_1_95_7
R_1_95_8
R_2_0_0
R_2_0_1
R_2_1_0
R_2_1_1
R_2_2_0
R_2_2_1
R_2_2_10
R_2_2_2
R_2_2_3
R_2_2_4
R_2_2_5
R_2_2_6
R_2_2_7
R_2_2_8
R_2_2_9
R_2_3_0
R_2_4_0
R_2_4_1
R_2_4_2
V1990307
V19981122
V19981231
V19990109
V19990425
V19990626
V19990709
V19990728
V19991013
V1_0
V1_1
V20000512
beta2
beta3
beta4
jclark-orig
libexpat-alpha-1
sourceforge_init
start

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-45960.json"