CVE-2012-2135
MEDIUM · CVSS 6.4EPSS 4.5%EU EUVD
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.
Key facts
- CVSS score
- 6.4 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:P/I:N/A:P- EPSS score
- 4.5% (92th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2012-2135)
- Published
- August 14, 2012
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2012-2135 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- canonical / ubuntu linux
- canonical / ubuntu linux
- canonical / ubuntu linux
- canonical / ubuntu linux
- canonical / ubuntu linux
- debian / debian linux
- python / python
References
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=670389(Third Party Advisory)
- http://bugs.python.org/issue14579(Vendor Advisory)
- http://secunia.com/advisories/51087(Third Party Advisory)
- http://secunia.com/advisories/51089(Third Party Advisory)
- http://www.openwall.com/lists/oss-security/2012/04/25/2(Mailing List, Third Party Advisory)
- http://www.openwall.com/lists/oss-security/2012/04/25/4(Mailing List, Third Party Advisory)
- http://www.ubuntu.com/usn/USN-1615-1(Third Party Advisory)
- http://www.ubuntu.com/usn/USN-1616-1(Third Party Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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