A vulnerability has been found in Expat which could result in denial of service.
|Package||dev-libs/expat on all architectures|
|Affected versions||< 2.5.0|
|Unaffected versions||>= 2.5.0|
Expat is a set of XML parsing libraries.
In certain out-of-memory situations, Expat may free memory before it should, leading to a use-after-free.
A use-after-free can result in denial of service.
There is no known workaround at this time.
All Expat users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=dev-libs/expat-2.5.0"
October 31, 2022
October 31, 2022: 1