CVE-2015-5964: canonical ubuntu_linux Resource Management Errors
Vulnerability summary
CVE-2015-5964 is a medium (CVSS 5.0) Resource Management Errors vulnerability in canonical ubuntu_linux. EPSS estimates a 4.97% chance of exploitation in the next 30 days, higher than 92.2% of scored vulnerabilities.
Severe, CVSS 8.7 (OSV · Pypi); no exploitation reported by the 5 checked sources; EPSS 5% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 7 · Related 1Timeline
- 24-08-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The (1) contrib.sessions.backends.base.SessionBase.flush and (2) cache_db.SessionStore.flush functions in Django 1.7.x before 1.7.10, 1.4.x before 1.4.22, and possibly other versions create empty sessions in certain circumstances, which allows remote attackers to cause a denial of service (session store consumption) via unspecified vectors.
CVSS metrics
3 scores · 2 sources · 3 versionsEPSS trend
Probability
4.97%
Chance of exploitation in the next 30 days
Percentile
92%
Versus all other CVEs
30-day change
No change 0.00 pp
From 4.97% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 15.04
Debian1 product
- python-django< 1.7.10-1
Djangoproject1 product
- djangoEOL1.4 | 1.4.1 | 1.4.2 | 1.4.4 | 1.4.5 | 1.4.6 | 1.4.7 | 1.4.8 | 1.4.9 | 1.4.10 | 1.4.11 | 1.4.12 | 1.4.13 | 1.4.14 | 1.4.17 | 1.4.19 | 1.4.20 | 1.4.21 | 1.7:beta1 | 1.7:beta2 | 1.7:beta3 | 1.7:beta4 | 1.7:rc1 | 1.7:rc2 | 1.7:rc3 | 1.7.1 | 1.7.2 | 1.7.3 | 1.7.4 | 1.7.5 | 1.7.6 | 1.7.7 | 1.7.8 | 1.7.9 | 1.8:beta1 | 1.8.0 | 1.8.1 | 1.8.2 | 1.8.3
Oracle1 product
- solarisEOL11.3
PyPI1 product
- django≥ 1.7, < 1.7.10 | ≥ 1.4, < 1.4.22
Ubuntu1 product
- python-django< 1.6.1-2ubuntu0.10
6 vendors · 6 products
References
25 links- lists.fedoraproject.org/pipermail/package-announce/2015-November/172084.htmlVendor AdvisoryX Refsource FEDORAWEB
- www.djangoproject.com/weblog/2015/aug/18/security-releases/X Refsource MISCPatchVendor AdvisoryARTICLE
- www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.htmlX Refsource CONFIRMThird Party AdvisoryWEB
Show all 25 references
- github.com/django/djangoPACKAGE