Summary
USN-4754-1 fixed vulnerabilities in Python. Because of a regression, a
subsequent update removed the fix for CVE-2021-3177. This update reinstates
the security fix for CVE-2021-3177.
We apologize for the inconvenience.
Original advisory details:
It was discovered that Python incorrectly handled certain inputs.
An attacker could possibly use this issue to execute arbitrary code
or cause a denial of service. (CVE-2020-27619, CVE-2021-3177)
Fixed packages 2
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 16.04 LTS 16.04:LTS | python2.7 | 2.7.12-1ubuntu0~16.04.18 |
| Ubuntu · 18.04 LTS 18.04:LTS | python2.7 | 2.7.17-1~18.04ubuntu1.6 |
Vulnerabilities 1
-
Critical 9.8CVE-2021-3177 EPSS 24%
Python 3.x through 3.9.1 has a buffer overflow in PyCArg_repr in _ctypes/callproc.c, which may lead to remote code exec…
References
-
report
https://ubuntu.com/security/CVE-2021-3177