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CVE Record

CVE-2020-7595: xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-file situ...

xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-file situation.

HighCVSS 7.5Not KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

This flaw can make software that parses XML with libxml2 hang in an infinite loop. The business impact is service disruption, not data theft or code execution, based on the supplied CVSS and description. It deserves priority where XML is accepted from users, partners, APIs, or automated feeds. Exposure is likely in applications, services, appliances, or distributions using libxml2 to parse untrusted XML. The bundle names libxml2 and includes advisories from Ubuntu, Fedora, openSUSE, Debian LTS, Gentoo, Oracle, and NetApp, but does not provide a complete affected-product inventory. Treat as a high-priority availability issue for systems processing external XML. It is less urgent than active exploited code execution, but outages can still affect customer-facing services and operational workflows. Patch through normal emergency or accelerated maintenance based on exposure. Mitigation focus: Update libxml2 through the relevant OS or vendor security advisory channel.; Prioritize internet-facing and partner-facing XML ingestion services.; Check vendor advisories for fixed package versions and product-specific guidance..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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ATT&CK lookup starting points

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cwe · low confidence lookup

CWE-835: Exact CWE lookup

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cve · low confidence lookup

CVE-2020-7595 mapping review

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Vulnerability profileCVE Program record
Severity
High
CVSS
7.5 (3.1)
Known Exploited
No
Published

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

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
15Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
7.5CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.5High
CVSS 3.1 vector shape for CVE-2020-7595Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-835 · source CWE mapping

Loop with Unreachable Exit Condition ('Infinite Loop')

Loop with Unreachable Exit Condition ('Infinite Loop') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.