Servers and applications
CVE-2012-2135
The utf-16 decoder in Python 3.1 through 3.3 does not update the aligned_end variable after calling the unicode_decode_call_errorhandler function, which allows remote attackers to obtain sensitive information (process memory) or cause a denial of service (memory corruption and crash) via unspecified vectors.
- Severity
- Medium 6.4
- Published
- 14 Aug 2012
- Last changed
- 16 Jun 2026
- Added to UpHeron
- 21 Oct 2026
- Fixed in
- 2.7.4, 3.2.4, 3.3.3
- Exploit chance
- 4.5% in the next 30 daysHigher than 91% of CVEs. EPSS by FIRST, 12 Nov 2026
- Attack
- Over the network · No login needed
- Attacker can
- Read some data · Slow it down
- CVSS vector
AV:N/AC:L/Au:N/C:P/I:N/A:P- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
PythonServers and applications · cpe:a:python:python |
|