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.
Buzz score
Why this CVE is surfacing
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
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
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- Important fixes for iPhones, iPads and Macs releasedMalwarebytes Labs
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
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0 repository references · best confidence N/A · max 0 stars
Related records
Similar CVEs
6 related CVEs with shared weakness or product evidence
- CVE-2022-40303CVSS 7.5 · High
An issue was discovered in libxml2 before 2.10.3. When parsing a multi-gigabyte XML document with the XML_PARSE_HUGE parser option enabled, several integer counters can overflow.…
- CVE-2022-29824CVSS 6.5 · Medium
In libxml2 before 2.9.14, several buffer handling functions in buf.c (xmlBuf*) and tree.c (xmlBuffer*) don't check for integer overflows. This can result in out-of-bounds memory w…
- CVE-2022-23308CVSS 7.5 · High
valid.c in libxml2 before 2.9.13 has a use-after-free of ID and IDREF attributes.
- CVE-2021-3541CVSS 6.5 · Medium
A flaw was found in libxml2. Exponential entity expansion attack its possible bypassing all existing protection mechanisms and leading to denial of service.
- CVE-2025-24928CVSS 7.8 · High
libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a stack-based buffer overflow in xmlSnprintfElements in valid.c. To exploit this, DTD validation must occur for an untrusted do…
- CVE-2024-56171CVSS 7.8 · High
libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a use-after-free in xmlSchemaIDCFillNodeTables and xmlSchemaBubbleIDCNodeTables in xmlschemas.c. To exploit this, a crafted XML…