Vulnerability in Python
CVE-2008-1721
Integer signedness error in the zlib extension module in Python 2.5.2 and earlier allows remote attackers to execute arbitrary code via a negative signed integer, which triggers insufficient memory allocation and a buffer overflow.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.226 (97.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.226 · newest: 0.226 · change: 0.000
Affected products
- Python
- Canonical Ubuntu Linux — versions 6.06, 7.04, 7.10
- Debian Linux — versions 4.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security.gentoo.org/glsa/glsa-200807-01.xml (vendor-advisory, Third Party Advisory)
- www.vupen.com/english/advisories/2008/1229/references (Permissions Required, vdb-entry)
- secunia.com/advisories/30872 (Not Applicable, third-party-advisory)
- www.securityfocus.com/bid/28715 (VDB Entry, Third Party Advisory, vdb-entry)
- secunia.com/advisories/38675 (Not Applicable, third-party-advisory)
- secunia.com/advisories/33937 (Not Applicable, third-party-advisory)
- www.mandriva.com/security/advisories (Permissions Required, vendor-advisory)
- secunia.com/advisories/37471 (Not Applicable, third-party-advisory)
- secunia.com/advisories/29955 (Not Applicable, third-party-advisory)
- www.debian.org/security/2008/dsa-1551 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2008-1721?
- CVE-2008-1721 is a vulnerability in Python, classified under Incorrect Conversion between Numeric Types. Published 2008-04-10.
- Is CVE-2008-1721 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.