6.8

CVE-2009-0040: apple iphone_os Access of Uninitialized Pointer

Modified
AliasesRHSA-2009:0340
Published 22-02-2009Last modified 07-08-2024
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Vulnerability summary

CVE-2009-0040 is a medium (CVSS 6.8) Access of Uninitialized Pointer vulnerability in apple iphone_os. EPSS estimates a 4.83% chance of exploitation in the next 30 days, higher than 91.9% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 6.8, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.8/10
010
Medium · v2.0 (NVD)
EPSS score
4.83%
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 9 · Related 4

Timeline

  1. 22-02-2009
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

The PNG reference library (aka libpng) before 1.0.43, and 1.2.x before 1.2.35, as used in pngcrush and other applications, allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted PNG file that triggers a free of an uninitialized pointer in (1) the png_read_png function, (2) pCAL chunk handling, or (3) setup of 16-bit gamma tables.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

4.83%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

No change 0.00 pp

From 4.83% 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.

Redhat6 products
  • libpng< 2:1.2.2-29
  • libpng-debuginfo< 2:1.2.2-29
  • libpng-devel< 2:1.2.2-29
  • libpng10< 0:1.0.13-20
  • libpng10-debuginfo< 0:1.0.13-20
Suse3 products
Apple2 products
Debian1 product
Fedoraproject1 product
Libpng1 product
  • libpng< 1.0.43 | ≥ 1.2.0, < 1.2.35
Opensuse1 product

7 vendors · 15 products

References

88 links
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