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Advisory details: vulnrichment / CVE-2022-40304
Advisory ID vulnrichment/CVE-2022-40304
Aliases
Summary An issue was discovered in libxml2 before 2.10.3. Certain invalid XML entity definitions can corrupt a hash table key, potentially leading to subsequent logic errors. In one case, a double-free can be provoked.
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 (0)
There are no known CWE.
System Score Found at
cvssv3.1 7.8
ssvc Track
Reference id Reference type URL
https://gitlab.gnome.org/GNOME/libxml2/-/commit/1b41ec4e9433b05bb0376be4725804c54ef1d80b
https://gitlab.gnome.org/GNOME/libxml2/-/tags
https://gitlab.gnome.org/GNOME/libxml2/-/tags/v2.10.3
21 Mailing List http://seclists.org/fulldisclosure/2022/Dec/21
24 Mailing List http://seclists.org/fulldisclosure/2022/Dec/24
25 Mailing List http://seclists.org/fulldisclosure/2022/Dec/25
26 Mailing List http://seclists.org/fulldisclosure/2022/Dec/26
27 Mailing List http://seclists.org/fulldisclosure/2022/Dec/27
HT213531 Other https://support.apple.com/kb/HT213531
HT213533 Other https://support.apple.com/kb/HT213533
HT213534 Other https://support.apple.com/kb/HT213534
HT213535 Other https://support.apple.com/kb/HT213535
HT213536 Other https://support.apple.com/kb/HT213536
ntap-20221209-0003 Other https://security.netapp.com/advisory/ntap-20221209-0003/
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at None
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:P/P:M/B:A/M:M/D:T/2025-04-28T19:47:33Z/ Found at None

Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-28T19:47:33Z/

Decision: Track

Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2022/40xxx/CVE-2022-40304.json

Source Advisory: vulnrichment/CVE-2022-40304

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