CVE-2012-2135

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Summary

CVECVE-2012-2135
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2012-08-14 22:55:01 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v2.0 6.4 from [email protected]

AV:N/AC:L/Au:N/C:P/I:N/A:P

Problem Types: NVD-CWE-Other | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
Partial

AV:N/AC:L/Au:N/C:P/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Python Python All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
oss-security - CVE Request: Python 3.2/3.3 utf-16 decoder unicode_decode_call_errorhandler aligned_end is not updated af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
USN-1616-1: Python 3.1 vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
Security Advisory SA51087 - Ubuntu update for python3.1 - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
#670389 - python3: CVE-2012-2135 utf-16 decoder unicode_decode_call_errorhandler aligned_end is not updated - Debian Bug report logs af854a3a-2127-422b-91ae-364da2661108 bugs.debian.org Third Party Advisory
oss-security - Re: CVE Request: Python 3.2/3.3 utf-16 decoder unicode_decode_call_errorhandler aligned_end is not updated af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
Issue 14579: CVE-2012-2135: Vulnerability in the utf-16 decoder after error handling - Python tracker af854a3a-2127-422b-91ae-364da2661108 bugs.python.org Vendor Advisory
USN-1615-1: Python 3.2 vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
Security Advisory SA51089 - Ubuntu update for python3.2 - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
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