Das Security Team hat ein neues Paket für Apache2 bereit gesetellt. Das vorherige DSA 4509-1, dass eine Cross-Site-Sripting Lücke schließen sollte, hat diese in CVE-2019-10092 beschriebene nicht korrekt geschlossen, sodass nun dieses Update schnellst möglich installiert werden sollte.

Debian Apache2 Security DSA 4509-3 Release Notes

Package        : apache2
CVE ID         : CVE-2019-10092
Debian Bug     : 941202

It was reported that the apache2 update released as DSA 4509-1
incorrectly fixed CVE-2019-10092. Updated apache2 packages are now
available to correct this issue. For reference, the relevant part of
the original advisory text follows.

CVE-2019-10092

    Matei "Mal" Badanoiu reported a limited cross-site scripting
    vulnerability in the mod_proxy error page.

For the oldstable distribution (stretch), this problem has been fixed
in version 2.4.25-3+deb9u9.

For the stable distribution (buster), this problem has been fixed in
version 2.4.38-3+deb10u3.

We recommend that you upgrade your apache2 packages.

For the detailed security status of apache2 please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/apache2

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Quelle: https://lists.debian.org/debian-security-announce/2019/msg00195.html