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Bug#894713: stretch-pu: Pre-approval of package apache2/2.4.25-3+deb9u5

Package: release.debian.org
Severity: normal
Tags: stretch
User: release.debian.org@packages.debian.org
Usertags: pu


I would like to do an upgrade of apache2 in stretch that upgrades the
complete mod_http2 and mod_proxy_http2 modules from the versions from
2.4.25 to the versions from 2.4.33.

The reason is that the fix for CVE-2018-1302 [1] is difficult to
backport because it concerns a complex life-time issue of data
structures, the relevant code has changed greatly between 2.4.25 and
2.4.33, and I am not familiar with the internals of mod_http2.  There
are other random segfaults [2] and other bugs [3] in stretch's mod_http2
that are reportedly fixed by newer mod_http2. Therefore, upgrading the
whole thing seems like the best solution to me. Do you agree with this

The diff is not reviewable (58 files changed, 5533 insertions, 4182
deletions), but it only touches the http2 modules.

I may also include a few other small bug fixes.  I will prepare the
updated package and send the detailed information after the pending DSA
for some other issues has been released (2.4.25-3+deb9u4).


[1] http://httpd.apache.org/security/vulnerabilities_24.html#CVE-2018-1302
[2] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=873945
[3] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=850947

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