4.3

CVE-2012-1147: apple mac_os_x Improper Input Validation

Modified
AliasesUBUNTU-CVE-2012-1147DEBIAN-CVE-2012-1147
Published 03-07-2012Last modified 06-08-2024

Vulnerability summary

CVE-2012-1147 is a medium (CVSS 4.3) Improper Input Validation vulnerability in apple mac_os_x. EPSS estimates a 2.57% chance of exploitation in the next 30 days, higher than 85.1% 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
2.57%
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 1 · Related 1

Timeline

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

Description

readfilemap.c in expat before 2.1.0 allows context-dependent attackers to cause a denial of service (file descriptor consumption) via a large number of crafted XML files.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

2.57%

Chance of exploitation in the next 30 days

Percentile

85%

Versus all other CVEs

30-day change

No change 0.00 pp

From 2.57% 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.

Ubuntu8 products
  • apache2All versions (No fix recorded)
  • apr-utilAll versions (No fix recorded)
  • cmakeAll versions (No fix recorded)
  • ghostscriptAll versions (No fix recorded)
  • smartAll versions (No fix recorded)
Apple1 product
Debian1 product
  • libxmltokAll versions (No fix recorded)
Libexpat_project1 product
  • libexpat≤ 2.0.1 | 1.95.1 | 1.95.2 | 1.95.4 | 1.95.5 | 1.95.6 | 1.95.7 | 1.95.8 | 2.0.0

4 vendors · 11 products

References

13 links
Show all 13 references