Description
In xmlIO in libxml2 before 2.15.4, an inconsistency in xmlOutputWriteCallback and xmlBufUse causes negative lengths to reach write callbacks, aka a lack of a check for integer overflow before calling writecallback. This has security relevance for many types of uses of that length value within a callback.
Mitigation
Minimal update. May introduce new vulnerabilities or breaking changes.
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 debian 12 | | =2.12.3+dfsg-0exp1 || =2.12.5+dfsg-0exp1 || =2.12.6+dfsg-0exp1 || =2.12.6+dfsg-0exp2 || =2.12.7+dfsg+really2.9.14-0.1 || =2.12.7+dfsg+really2.9.14-0.2 || =2.12.7+dfsg+really2.9.14-0.3 || =2.12.7+dfsg+really2.9.14-0.4 || =2.12.7+dfsg+really2.9.14-1 || =2.12.7+dfsg+really2.9.14-2 || =2.12.7+dfsg+really2.9.14-2.1 || =2.12.7+dfsg-1 || =2.12.7+dfsg-2 || =2.12.7+dfsg-3 || =2.13.1+dfsg-0exp1 || =2.13.3+dfsg-0exp1 || =2.13.3+dfsg-0exp2 || =2.14.1+dfsg-0exp1 || =2.14.2+dfsg-0exp1 || =2.14.3+dfsg-0exp1 || =2.14.3+dfsg-0exp2 || =2.14.3+dfsg-0exp3 || =2.14.4+dfsg-0exp1 || =2.14.5+dfsg-0.1 || =2.14.5+dfsg-0.2 || =2.14.5+dfsg-0exp1 || =2.14.5+dfsg-0exp2 || =2.14.6+dfsg-0.1 || =2.15.0+dfsg-0.1 || =2.15.0+dfsg-0.2 || =2.15.0+dfsg-0.3 || =2.15.1+dfsg-0.1 || =2.15.1+dfsg-0.2 || =2.15.1+dfsg-0.3 || =2.15.1+dfsg-0.4 || =2.15.1+dfsg-0.5 || =2.15.1+dfsg-1 || =2.15.1+dfsg-2 || =2.15.2+dfsg-0.1 || =2.15.3+dfsg-1 || =2.15.4+dfsg-1 || =2.9.14+dfsg-1.2 || =2.9.14+dfsg-1.3 || =2.9.14+dfsg-1.3~deb12u1 || =2.9.14+dfsg-1.3~deb12u2 || =2.9.14+dfsg-1.3~deb12u3 || =2.9.14+dfsg-1.3~deb12u4 || =2.9.14+dfsg-1.3~deb12u5 || =2.9.14+dfsg-1.3~deb12u6 | - |
debian 13 | | =2.12.7+dfsg+really2.9.14-2.1 || =2.12.7+dfsg+really2.9.14-2.1+deb13u1 || =2.12.7+dfsg+really2.9.14-2.1+deb13u2 || =2.12.7+dfsg+really2.9.14-2.1+deb13u3 || =2.13.1+dfsg-0exp1 || =2.13.3+dfsg-0exp1 || =2.13.3+dfsg-0exp2 || =2.14.1+dfsg-0exp1 || =2.14.2+dfsg-0exp1 || =2.14.3+dfsg-0exp1 || =2.14.3+dfsg-0exp2 || =2.14.3+dfsg-0exp3 || =2.14.4+dfsg-0exp1 || =2.14.5+dfsg-0.1 || =2.14.5+dfsg-0.2 || =2.14.5+dfsg-0exp1 || =2.14.5+dfsg-0exp2 || =2.14.6+dfsg-0.1 || =2.15.0+dfsg-0.1 || =2.15.0+dfsg-0.2 || =2.15.0+dfsg-0.3 || =2.15.1+dfsg-0.1 || =2.15.1+dfsg-0.2 || =2.15.1+dfsg-0.3 || =2.15.1+dfsg-0.4 || =2.15.1+dfsg-0.5 || =2.15.1+dfsg-1 || =2.15.1+dfsg-2 || =2.15.2+dfsg-0.1 || =2.15.3+dfsg-1 || =2.15.4+dfsg-1 | - |
debian 14 | | =2.12.7+dfsg+really2.9.14-2.1 || =2.13.1+dfsg-0exp1 || =2.13.3+dfsg-0exp1 || =2.13.3+dfsg-0exp2 || =2.14.1+dfsg-0exp1 || =2.14.2+dfsg-0exp1 || =2.14.3+dfsg-0exp1 || =2.14.3+dfsg-0exp2 || =2.14.3+dfsg-0exp3 || =2.14.4+dfsg-0exp1 || =2.14.5+dfsg-0.1 || =2.14.5+dfsg-0.2 || =2.14.5+dfsg-0exp1 || =2.14.5+dfsg-0exp2 || =2.14.6+dfsg-0.1 || =2.15.0+dfsg-0.1 || =2.15.0+dfsg-0.2 || =2.15.0+dfsg-0.3 || =2.15.1+dfsg-0.1 || =2.15.1+dfsg-0.2 || =2.15.1+dfsg-0.3 || =2.15.1+dfsg-0.4 || =2.15.1+dfsg-0.5 || =2.15.1+dfsg-1 || =2.15.1+dfsg-2 || =2.15.2+dfsg-0.1 || =2.15.3+dfsg-1 || >=0 <2.15.4+dfsg-1 | 2.15.4+dfsg-1 |
 rpm rhel10 | | - | - |
rpm rhel6 | | - | - |
rpm rhel7 | | - | - |
rpm rhel8 | | - | - |
rpm rhel9 | | - | - |
