[ASA-202009-12] lib32-brotli: denial of service
foxboron at archlinux.org
Tue Oct 6 20:09:56 UTC 2020
Arch Linux Security Advisory ASA-202009-12
Date : 2020-09-26
CVE-ID : CVE-2020-8927
Package : lib32-brotli
Type : denial of service
Remote : Yes
Link : https://security.archlinux.org/AVG-1231
The package lib32-brotli before version 1.0.9-1 is vulnerable to denial
Upgrade to 1.0.9-1.
# pacman -Syu "lib32-brotli>=1.0.9-1"
The problem has been fixed upstream in version 1.0.9.
A buffer overflow exists in the Brotli library < 1.0.8, where an
attacker controlling the input length of a "one-shot" decompression
request to a script can trigger a crash, which happens when copying
over chunks of data larger than 2 GiB. It is recommended to update your
Brotli library to 1.0.8 or later. If one cannot update, we recommend to
use the "streaming" API as opposed to the "one-shot" API, and impose
chunk size limits.
A remote attacker might be able to cause a crash via crafted content.
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