CVE-2015-7942: The xmlParseConditionalSections function in parser.c in libxml2 does not properly skip intermediary entitie...

Security readout for executives and security teams

CVE-2015-7942 is a libxml2 crash vulnerability. A crafted XML document can trigger an out-of-bounds read while libxml2 handles invalid conditional sections, causing affected software to stop working. The known impact is denial of service, not confirmed data theft or code execution. Exposure is most likely in systems, applications, or appliances that parse untrusted XML through libxml2. The bundle does not provide precise affected versions or CPEs, so teams must validate against installed libxml2 packages and vendor advisories. Treat this as a patch-management and resilience issue. It is unlikely to be a breach driver based on supplied evidence, but exposed XML-processing services may be crashed by malicious input and should be updated on normal security timelines. Mitigation focus: Apply libxml2 updates from the relevant operating system or vendor advisory.; Prioritize internet-facing or partner-facing XML ingestion paths.; Limit acceptance of untrusted XML where business workflows permit..

Prepared

Jun 13, 2026, 21:45 UTC (UTC+00:00)

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