4.3

CVE-2013-2099: canonical ubuntu_linux Resource Management Errors

Modified
AliasesRHSA-2014:1263RHSA-2014:1690RHSA-2015:0042
Published 09-10-2013Last modified 06-08-2024

Vulnerability summary

CVE-2013-2099 is a medium (CVSS 4.3) Resource Management Errors vulnerability in canonical ubuntu_linux. EPSS estimates a 4.86% chance of exploitation in the next 30 days, higher than 92% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 4.3, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.3/10
010
Medium · v2.0 (NVD)
EPSS score
4.86%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 4 · Duplicates 1

Timeline

  1. 09-10-2013
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Algorithmic complexity vulnerability in the ssl.match_hostname function in Python 3.2.x, 3.3.x, and earlier, and unspecified versions of python-backports-ssl_match_hostname as used for older Python versions, allows remote attackers to cause a denial of service (CPU consumption) via multiple wildcard characters in the common name in a certificate.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

4.86%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

No change 0.00 pp

From 4.86% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.

Redhat28 products
  • cloud-init< 0:0.7.5-1.el6
  • glusterfs< 0:3.4.0.68rhs-1.el5 | < 0:3.4.0.68rhs-1.el6rhs | < 0:3.4.0.68rhs-1.el6
  • glusterfs-api< 0:3.4.0.68rhs-1.el5 | < 0:3.4.0.68rhs-1.el6rhs | < 0:3.4.0.68rhs-1.el6
  • glusterfs-api-devel< 0:3.4.0.68rhs-1.el5 | < 0:3.4.0.68rhs-1.el6rhs | < 0:3.4.0.68rhs-1.el6
  • glusterfs-debuginfo< 0:3.4.0.68rhs-1.el5 | < 0:3.4.0.68rhs-1.el6rhs | < 0:3.4.0.68rhs-1.el6
Debian4 products
  • bzr< 2.6.0~bzr6574-1
  • linkchecker< 8.5-1
  • python-tornado< 2.4.1-3
  • python-urllib3< 1.6-2
Canonical1 product
Python1 product
  • pythonEOL3.2.0 | 3.2.1 | 3.2.2 | 3.2.3 | 3.2.4 | 3.2.5 | 3.3.0 | 3.3.1 | 3.3.2
Ubuntu1 product
  • w3afAll versions (No fix recorded)

5 vendors · 35 products

References

31 links
Show all 31 references