Amazon Linux 2 Security Advisory: ALAS-2021-1678
Advisory Release Date: 2021-07-01 01:04 Pacific
Advisory Updated Date: 2021-07-01 20:27 Pacific
Severity:
Important
Issue Overview:
A null pointer de-reference was found in the way httpd handled specially crafted HTTP/2 request. A remote attacker could use this flaw to crash the httpd child process, causing temporary denial of service. (CVE-2021-31618)
Affected Packages:
mod_http2
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update mod_http2 to update your system.
New Packages:
aarch64:
mod_http2-1.15.19-1.amzn2.0.1.aarch64
mod_http2-debuginfo-1.15.19-1.amzn2.0.1.aarch64
i686:
mod_http2-1.15.19-1.amzn2.0.1.i686
mod_http2-debuginfo-1.15.19-1.amzn2.0.1.i686
src:
mod_http2-1.15.19-1.amzn2.0.1.src
x86_64:
mod_http2-1.15.19-1.amzn2.0.1.x86_64
mod_http2-debuginfo-1.15.19-1.amzn2.0.1.x86_64