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Gentoo FoundationMGASA-2021-0213
HistoryMay 19, 2021 - 10:29 p.m.

Updated libxml2 packages fix security vulnerabilities

2021-05-1922:29:59
Gentoo Foundation
advisories.mageia.org
69

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.01 Low

EPSS

Percentile

83.3%

The updated packages fix security vulnerabilities: Use-after-free in xmlEncodeEntitiesInternal() in entities.c. (CVE-2021-3516) Heap-based buffer overflow in xmlEncodeEntitiesInternal() in entities.c. (CVE-2021-3517) Use-after-free in xmlXIncludeDoProcess() in xinclude.c. (CVE-2021-3518) NULL pointer dereference in valid.c in xmlValidBuildAContentModel. (CVE-2021-3537)

OSVersionArchitecturePackageVersionFilename
Mageia7noarchlibxml2< 2.9.9-2.6libxml2-2.9.9-2.6.mga7
Mageia8noarchlibxml2< 2.9.10-7.1libxml2-2.9.10-7.1.mga8
Use Vulners API to create your own security tool

API usage cases
  • Network scanning
  • Linux Patch management
  • Threat protection
  • No network audit solution

Ways of integration

Integrate Vulners API

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.01 Low

EPSS

Percentile

83.3%

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