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CVE-2013-7459
Heap-based buffer overflow in the ALGnew function in block_templace.c in Python Cryptography Toolkit (aka pycrypto) allows remote…
Critical9.8EPSS 9.6%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Heap-based buffer overflow in the ALGnew function in block_templace.c in Python Cryptography Toolkit (aka pycrypto) allows remote attackers to execute arbitrary code as demonstrated by a crafted iv parameter to cryptmsg.py.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Critical9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 9.6% · top 4.5% of all CVEs (4 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- PyPIpycryptoGHSA-cq27-v7xp-c356 (opens in a new tab)
References (9)
- https://bugzilla.redhat.com/show_bug.cgi?id=1409754 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://pony7.fr/ctf:public:32c3:cryptmsg (opens in a new tab)x_refsource_MISCx_transferred
- [oss-security] 20161227 Re: Buffer overflow in pycrypto (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- FEDORA-2017-7c569d396b (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- https://github.com/dlitz/pycrypto/issues/176 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 95122 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- FEDORA-2017-08207fe48b (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- GLSA-201702-14 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- https://github.com/dlitz/pycrypto/commit/8dbe0dc3eea5c689d4f76b37b93fe216cf1f00d4 (opens in a new tab)x_refsource_CONFIRMx_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 Advisory GHSA-cq27-v7xp-c356 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2013-7459)Record last updated .