| Package | apache2 |
|---|---|
| Version | 2.4.10-10+deb8u19 |
| Related CVEs | CVE-2021-34798 CVE-2021-39275 CVE-2021-40438 |
Several vulnerabilities were discovered in the Apache HTTP server. An attacker could send proxied requests to arbitrary servers, corrupt memory in some setups involving third-party modules, and cause the server to crash.
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CVE-2021-34798
Malformed requests may cause the server to dereference a NULL pointer.
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CVE-2021-39275
ap_escape_quotes() may write beyond the end of a buffer when given malicious input. No included modules pass untrusted data to these functions, but third-party / external modules may.
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CVE-2021-40438
A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user.
For Debian 8 jessie, these problems have been fixed in version 2.4.10-10+deb8u19.
We recommend that you upgrade your apache2 packages.
Further information about Extended LTS security advisories can be found in the dedicated section of our website.