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CVE-2012-1150
Python before 2.6.8, 2.7.x before 2.7.3, 3.x before 3.1.5, and 3.2.x before 3.2.3 computes hash values without restricting the ability to…
Medium5.0EPSS 5.1%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
Python before 2.6.8, 2.7.x before 2.7.3, 3.x before 3.1.5, and 3.2.x before 3.2.3 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 5.1% · top 7.7% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
Affected products
n/a
- affected n/a
References (18)
- USN-1615-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- http://python.org/download/releases/3.2.3/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- 51087 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- USN-1592-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- http://bugs.python.org/issue13703 (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-1616-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- [python-dev] 20111229 Hash collision security issue (now public) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- APPLE-SA-2013-10-22-3 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
- 50858 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 51089 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- [python-dev] 20120128 plugging the hash attack (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=750555 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://python.org/download/releases/2.6.8/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20120309 Re: CVE Request: Python Hash DoS (Issue 13703) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-1596-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- http://python.org/download/releases/3.1.5/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://python.org/download/releases/2.7.3/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- openSUSE-SU-2020:0086 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .