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Apache httpd 2.4.26 mod_http2.c Read-After-Free

Apache httpd 2.4.26 mod_http2.c Read-After-Free
Posted Jul 13, 2017
Site httpd.apache.org

Apache httpd version 2.4.26 suffers from a read-after-free vulnerability in mod_http2.c.

tags | advisory
advisories | CVE-2017-9789
MD5 | a1c71329f158c551c638e5e12e1c81cd

Apache httpd 2.4.26 mod_http2.c Read-After-Free

Change Mirror Download
CVE-2017-9789: Read after free in mod_http2.c

Severity: Important

Vendor: The Apache Software Foundation

Versions Affected:
httpd 2.4.26

Description:
When under stress, closing many connections, the HTTP/2
handling code would sometimes access memory after it has
been freed, resulting in potentially erratic behaviour.

Mitigation:
2.4.26 users of mod_http2 should upgrade to 2.4.27.

Credit:
The Apache HTTP Server security team would like to thank Robert AwiAcki
for reporting this issue.

References:
https://httpd.apache.org/security_report.html

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