CVE-2013-7459

pycrypto: Heap-buffer overflow in ALGobject structure

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Severity

Moderate

Red Hat Product Security

9.8

CVSS 3.0

Review impact separately from score.

Published · December 15, 2015

Updated · May 13, 2026

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.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE-122 · Heap-based Buffer Overflow