Skip to main content

CVE detail

CVE-2022-40304

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.

CVSS 7.8 · HighBuzz score 30.9

Buzz score

Why this CVE is surfacing

Buzz score total 30.9

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 17.9 · diversity 13.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
17.9
5 evidence mentions in the snapshot
Diversity score
13.0
4 sources across 2 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
5 source links · newest first
  • 14th November– Threat Intelligence ReportCheck Point Research

    For the latest discoveries in cyber research for the week of 14th November, please download our Threat Intelligence Bulletin. Top Attacks and Breaches The Australian Federal Police has disclosed that the hacking group responsible for the massive Medibank hack that compromised the personal information of 9.7 million customers is based in Russia. The group’s identity […]

    vendorresearch.checkpoint.comNov 14, 2022, 12:28 PM
  • 14th November– Threat Intelligence ReportCheck Point Research

    For the latest discoveries in cyber research for the week of 14th November, please download our Threat Intelligence Bulletin. Top Attacks and Breaches The Australian Federal Police has disclosed that the hacking group responsible for the massive Medibank hack that compromised the personal information of 9.7 million customers is based in Russia. The group’s identity was not yet […]

    vendorresearch.checkpoint.comNov 14, 2022, 9:35 AM
  • Apple released out-of-band patches for iOS and macOS to fix a couple of code execution vulnerabilities in the libxml2 library. Apple released out-of-band patches for iOS and macOS to address two code execution flaws, tracked as CVE-2022-40303 and CVE-2022-40304, in the libxml2 library for parsing XML documents. The two vulnerabilities were discovered by Google Project […]

    newssecurityaffairs.comNov 10, 2022, 9:26 PM
  • Apple has released security updates for iOS, iPadOS, and macOS Ventura to patch two remote code execution (RCE) vulnerabilities that were…

    newswww.malwarebytes.comNov 10, 2022, 5:00 PM
  • Apple on Tuesday released out-of-band patches for iOS and macOS, to address two arbitrary code execution vulnerabilities in the libxml2 library. Written in the C programming language and originally developed for the Gnome project, libxml2 is a software library for parsing XML documents.

    newswww.securityweek.comNov 10, 2022, 2:38 PM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars
No public PoC repositories have been matched yet.

Related records

Similar CVEs

6 related CVEs with shared weakness or product evidence