CVE-2021-3516

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Source
https://nvd.nist.gov/vuln/detail/CVE-2021-3516
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-3516.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-3516
Downstream
Related
Published
2021-06-01T14:15:10Z
Modified
2025-09-19T13:03:10.536070Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

There's a flaw in libxml2's xmllint in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by xmllint could trigger a use-after-free. The greatest impact of this flaw is to confidentiality, integrity, and availability.

References

Affected packages

Git / gitlab.gnome.org/GNOME/libxml2

Affected ranges

Type
GIT
Repo
https://gitlab.gnome.org/GNOME/libxml2
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
1358d157d0bd83be1dfe356a69213df9fac0b539

Affected versions

Other

CVE-2013-2877
CVE-2014-0191
CVE-2014-3660
CVE-2015-1819
CVE-2015-5312
CVE-2015-7497
CVE-2015-7498
CVE-2015-7499-1
CVE-2015-7499-2
CVE-2015-7500
CVE-2015-7941_1
CVE-2015-7941_2
CVE-2015-7942
CVE-2015-7942-2
CVE-2015-8035
CVE-2015-8242
CVE-2015-8317
CVE-2016-1762
CVE-2016-1833
CVE-2016-1834
CVE-2016-1835
CVE-2016-1836
CVE-2016-1837
CVE-2016-1838
CVE-2016-1839
CVE-2016-1840
CVE-2016-3627
CVE-2016-3705
CVE-2016-4449
CVE-2016-4483
EAZEL-NAUTILUS-MS-AUG07
FOR_GNOME_0_99_1
GNOME_0_30
GNOME_PRINT_0_24
GNUMERIC_FIRST_PUBLIC_RELEASE
LIBXML2_2_4_21
LIBXML2_2_5_0
LIBXML2_2_5_10
LIBXML2_2_5_7
LIBXML2_2_5_8
LIBXML2_2_5_9
LIBXML2_2_5_x
LIBXML2_2_6_1
LIBXML2_2_6_11
LIBXML2_2_6_12
LIBXML2_2_6_13
LIBXML2_2_6_14
LIBXML2_2_6_15
LIBXML2_2_6_16
LIBXML2_2_6_18
LIBXML2_2_6_19
LIBXML2_2_6_2
LIBXML2_2_6_20
LIBXML2_2_6_21
LIBXML2_2_6_22
LIBXML2_2_6_23
LIBXML2_2_6_24
LIBXML2_2_6_26
LIBXML2_2_6_27
LIBXML2_2_6_28
LIBXML2_2_6_3
LIBXML2_2_6_4
LIBXML2_2_6_5
LIBXML2_2_6_6
LIBXML2_2_6_7
LIBXML2_2_6_8
LIBXML2_2_6_9
LIBXML2_6_0
LIBXML_0_99
LIBXML_1_5_0
LIBXML_1_8_5
LIBXML_1_8_6
LIBXML_2_0_0
LIBXML_2_1_0
LIBXML_2_1_1
LIBXML_2_2_1
LIBXML_2_2_3
LIBXML_2_2_4
LIBXML_2_2_6
LIBXML_2_2_7
LIBXML_2_2_8
LIBXML_2_3_0
LIBXML_2_3_10
LIBXML_2_3_11
LIBXML_2_3_12
LIBXML_2_3_13
LIBXML_2_3_14
LIBXML_2_3_2
LIBXML_2_3_3
LIBXML_2_3_4
LIBXML_2_3_5
LIBXML_2_3_6
LIBXML_2_3_7
LIBXML_2_3_8
LIBXML_2_3_9
LIBXML_2_4_0
LIBXML_2_4_11
LIBXML_2_4_12
LIBXML_2_4_13
LIBXML_2_4_14
LIBXML_2_4_16
LIBXML_2_4_18
LIBXML_2_4_2
LIBXML_2_4_20
LIBXML_2_4_22
LIBXML_2_4_23
LIBXML_2_4_24
LIBXML_2_4_25
LIBXML_2_4_26
LIBXML_2_4_27
LIBXML_2_4_29
LIBXML_2_4_3
LIBXML_2_4_30
LIBXML_2_4_4
LIBXML_2_4_6
LIBXML_2_4_7
LIBXML_2_5_1
LIBXML_2_5_2
LIBXML_2_5_3
LIBXML_2_5_4
LIBXML_2_5_5
LIBXML_2_5_6
LIBXML_2_6_10
LIBXML_TEST_2_0_0
LIB_XML_1_1
LIB_XML_1_3
LIB_XML_1_4
LIB_XML_1_6_1
LIB_XML_1_6_2
LIB_XML_1_7_0
LIB_XML_1_7_1
LIB_XML_1_7_3
LIB_XML_1_8_3
LIB_XML_1_X
PRE_MUCKUP
PRE_MUCKUP2
PRE_MUCKUP3
help

LIBXML2.*

LIBXML2.6.32
LIBXML2.7.0
LIBXML2.7.1
LIBXML2.7.2
LIBXML2.7.3

v2.*

v2.7.4
v2.7.5
v2.7.6
v2.7.7
v2.7.8
v2.8.0
v2.8.0-rc1
v2.8.0-rc2
v2.9.0
v2.9.0-rc2
v2.9.1
v2.9.10
v2.9.10-rc1
v2.9.2
v2.9.2-rc1
v2.9.2-rc2
v2.9.3
v2.9.4
v2.9.4-rc1
v2.9.4-rc2
v2.9.5
v2.9.5-rc1
v2.9.5-rc2
v2.9.6
v2.9.6-rc1
v2.9.7
v2.9.7-rc1
v2.9.8
v2.9.8-rc1
v2.9.9
v2.9.9-rc1
v2.9.9-rc2

Database specific 

{
    "vanir_signatures": [
        {
            "deprecated": false,
            "digest": {
                "line_hashes": [
                    "125923364555687102912767750593616075062",
                    "164402031157988608807981467698484062586",
                    "187480151731575691958788539215601771876",
                    "198926099027557728522349673134118447470"
                ],
                "threshold": 0.9
            },
            "source": "https://gitlab.gnome.org/GNOME/libxml2@1358d157d0bd83be1dfe356a69213df9fac0b539",
            "signature_type": "Line",
            "id": "CVE-2021-3516-414b5298",
            "signature_version": "v1",
            "target": {
                "file": "xmllint.c"
            }
        }
    ]
}