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Advisory details: gitlab / nuget/libxml2/CVE-2016-1834
Advisory ID gitlab/nuget/libxml2/CVE-2016-1834
Aliases CVE-2016-1834
Summary Improper Restriction of Operations within the Bounds of a Memory Buffer Heap-based buffer overflow in the xmlStrncat function in libxml2, as used in Apple iOS, OS X, tvOS, and watchOS, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted XML document.
Status Published
Exploitability 0.5
Weighted Severity 0.0
Risk
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (3)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
System Score Found at
cvssv2 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/libxml2/CVE-2016-1834.yml
cvssv3 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/libxml2/CVE-2016-1834.yml
Reference id Reference type URL
CVE-2016-1834 https://nvd.nist.gov/vuln/detail/CVE-2016-1834
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C Found at https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/libxml2/CVE-2016-1834.yml
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/libxml2/CVE-2016-1834.yml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2025-12-04T17:15:12Z/

Decision: Track

Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2016/1xxx/CVE-2016-1834.json

Source Advisory: vulnrichment/CVE-2016-1834

View SSVC decision tree 
[{'Exploitation': 'none'},
 {'Automatable': 'no'},
 {'Technical Impact': 'total'},
 {'Mission Prevalence': 'minimal'},
 {'Public Well-being Impact': 'material'},
 {'Mission & Well-being': 'medium'}]