PSF-2012-4

vendorUSosv

Expat 2.2.1

view advisory published 2012-07-03Licence: per source

The XML parser (xmlparse.c) in expat before 2.1.0 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via an XML file with many identifiers with the same value.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2012-0876US	medium4.3	5.72% (93rd)	—	2012-07-03
The XML parser (xmlparse.c) in expat before 2.1.0 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attack…

references

External citations — patches, advisories, analysis.

https://bugs.python.org/issue30694REPORT
https://github.com/libexpat/libexpat/blob/R_2_2_1/expat/ChangesWEB
https://libexpat.github.io/doc/cve-2017-9233/ADVISORY

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