USN-6629-1: UltraJSON vulnerabilities
14 February 2024
Several security issues were fixed in UltraJSON.
Releases
Packages
- ujson - ultra fast JSON encoder and decoder for Python 2
Details
It was discovered that UltraJSON incorrectly handled certain input with
a large amount of indentation. An attacker could possibly use this issue
to crash the program, resulting in a denial of service. (CVE-2021-45958)
Jake Miller discovered that UltraJSON incorrectly decoded certain
characters. An attacker could possibly use this issue to cause key
confusion and overwrite values in dictionaries. (CVE-2022-31116)
It was discovered that UltraJSON incorrectly handled an error when
reallocating a buffer for string decoding. An attacker could possibly
use this issue to corrupt memory. (CVE-2022-31117)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 22.04
-
python3-ujson
-
5.1.0-1ubuntu0.1~esm1
Available with Ubuntu Pro
Ubuntu 18.04
-
python-ujson
-
1.35-2ubuntu0.1~esm1
Available with Ubuntu Pro
-
python3-ujson
-
1.35-2ubuntu0.1~esm1
Available with Ubuntu Pro
Ubuntu 16.04
-
python-ujson
-
1.33-1ubuntu0.1~esm2
Available with Ubuntu Pro
-
python3-ujson
-
1.33-1ubuntu0.1~esm2
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References
Related notices
- USN-6629-3: ujson, python3-ujson
- USN-6629-2: ujson, python3-ujson