4.3

CVE-2012-0876: canonical ubuntu_linux Uncontrolled Resource Consumption

Modified
AliasesUBUNTU-CVE-2012-0876DEBIAN-CVE-2012-0876
Published 03-07-2012Last modified 06-08-2024

Vulnerability summary

CVE-2012-0876 is a medium (CVSS 4.3) Uncontrolled Resource Consumption vulnerability in canonical ubuntu_linux. EPSS estimates a 5.72% chance of exploitation in the next 30 days, higher than 93% 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
5.72%
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 · Related 2
DSA-2525-1OPENSUSE-SU-2024:10077-1RHSA-2012:0731SUSE-SU-2020:0497-1

Timeline

  1. 03-07-2012
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The XML parser (xmlparse.c) in expat before 2.1.0 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via an XML file with many identifiers with the same value.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

5.72%

Chance of exploitation in the next 30 days

Percentile

93%

Versus all other CVEs

30-day change

No change 0.00 pp

From 5.72% 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.

Ubuntu10 products
  • ayttmAll versions (No fix recorded)
  • cableswigAll versions (No fix recorded)
  • cadaverAll versions (No fix recorded)
  • coin3All versions (No fix recorded)
  • insighttoolkitAll versions (No fix recorded)
Redhat6 products
Debian4 products
  • expat< 2.1.0~beta3-1
  • libxmltokAll versions (No fix recorded)
  • xmlrpc-c< 1.16.33-3.2
  • debian_linuxEOL6.0 | 7.0
Canonical1 product
Libexpat_project1 product
Oracle1 product
Python1 product
  • python≥ 2.6.0, < 2.6.8 | ≥ 2.7.0, < 2.7.3 | ≥ 3.1.0, < 3.1.5 | ≥ 3.2.0, < 3.2.3

7 vendors · 24 products

References

32 links
Show all 32 references