libpng arbitrary free() flaw
Published Feb 22, 2009
6.8
MEDIUMCVSS 2.0
EPSS 4.83%
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.
Affected products
No data.
Configuration 1
Configuration 3
- 10.3
- 11.0
- 11.1
- 9.0
- 10.0
- 10
- 10
Configuration 4
- 4.0
- 5.0
Configuration 5
- 9
- 10
No data.
Red Hat Enterprise Linux 2.1
libpng-2:1.0.14-12
Fixed · RHSA-2009:0333
Red Hat Enterprise Linux 2.1
seamonkey-0:1.0.9-0.30.el2
Fixed · RHSA-2009:0325
Red Hat Enterprise Linux 3
libpng-2:1.2.2-29
Fixed · RHSA-2009:0340
Red Hat Enterprise Linux 3
libpng10-0:1.0.13-20
Fixed · RHSA-2009:0340
Red Hat Enterprise Linux 3
seamonkey-0:1.0.9-0.34.el3
Fixed · RHSA-2009:0325
Red Hat Enterprise Linux 4
firefox-0:3.0.7-1.el4
Fixed · RHSA-2009:0315
Red Hat Enterprise Linux 4
libpng-2:1.2.7-3.el4_7.2
Fixed · RHSA-2009:0333
Red Hat Enterprise Linux 4
libpng10-0:1.0.16-3.el4_7.3
Fixed · RHSA-2009:0333
Red Hat Enterprise Linux 4
seamonkey-0:1.0.9-38.el4
Fixed · RHSA-2009:0325
Red Hat Enterprise Linux 5
firefox-0:3.0.7-1.el5
Fixed · RHSA-2009:0315
Red Hat Enterprise Linux 5
libpng-2:1.2.10-7.1.el5_3.2
Fixed · RHSA-2009:0333
Red Hat Enterprise Linux 5
xulrunner-0:1.9.0.7-1.el5
Fixed · RHSA-2009:0315
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 2.1 | libpng-2:1.0.14-12 | Fixed | RHSA-2009:0333 |
| Red Hat Enterprise Linux 2.1 | seamonkey-0:1.0.9-0.30.el2 | Fixed | RHSA-2009:0325 |
| Red Hat Enterprise Linux 3 | libpng-2:1.2.2-29 | Fixed | RHSA-2009:0340 |
| Red Hat Enterprise Linux 3 | libpng10-0:1.0.13-20 | Fixed | RHSA-2009:0340 |
| Red Hat Enterprise Linux 3 | seamonkey-0:1.0.9-0.34.el3 | Fixed | RHSA-2009:0325 |
| Red Hat Enterprise Linux 4 | firefox-0:3.0.7-1.el4 | Fixed | RHSA-2009:0315 |
| Red Hat Enterprise Linux 4 | libpng-2:1.2.7-3.el4_7.2 | Fixed | RHSA-2009:0333 |
| Red Hat Enterprise Linux 4 | libpng10-0:1.0.16-3.el4_7.3 | Fixed | RHSA-2009:0333 |
| Red Hat Enterprise Linux 4 | seamonkey-0:1.0.9-38.el4 | Fixed | RHSA-2009:0325 |
| Red Hat Enterprise Linux 5 | firefox-0:3.0.7-1.el5 | Fixed | RHSA-2009:0315 |
| Red Hat Enterprise Linux 5 | libpng-2:1.2.10-7.1.el5_3.2 | Fixed | RHSA-2009:0333 |
| Red Hat Enterprise Linux 5 | xulrunner-0:1.9.0.7-1.el5 | Fixed | RHSA-2009:0315 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (21 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 4.83% (0.04825) | 91.71th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.83% (0.04825) | 90.81th | v5 (v2026.06.15) |
| Jun 13, 2026 | 6.85% (0.06850) | 91.60th | v4 (v2025.03.14) |
| Jan 23, 2026 | 8.48% (0.08482) | 92.11th | v4 (v2025.03.14) |
| Jan 18, 2026 | 7.02% (0.07019) | 91.21th | v4 (v2025.03.14) |
| Dec 1, 2025 | 8.28% (0.08276) | 91.94th | v4 (v2025.03.14) |
| May 16, 2025 | 3.94% (0.03942) | 87.74th | v4 (v2025.03.14) |
| Mar 30, 2025 | 6.78% (0.06781) | 90.40th | v4 (v2025.03.14) |
| Mar 29, 2025 | 13.15% (0.13147) | 90.18th | v4 (v2025.03.14) |
| Mar 21, 2025 | 6.78% (0.06781) | 90.51th | v4 (v2025.03.14) |
| Mar 19, 2025 | 5.23% (0.05230) | 88.70th | v4 (v2025.03.14) |
| Mar 17, 2025 | 6.39% (0.06388) | 90.32th | v4 (v2025.03.14) |
| Dec 17, 2024 | 9.10% (0.09095) | 94.63th | v3 (v2023.03.01) |
| Jun 21, 2024 | 7.50% (0.07502) | 94.14th | v3 (v2023.03.01) |
| Mar 7, 2024 | 6.86% (0.06856) | 93.72th | v3 (v2023.03.01) |
| Feb 9, 2024 | 6.28% (0.06282) | 93.34th | v3 (v2023.03.01) |
| Nov 13, 2023 | 2.87% (0.02873) | 89.65th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.63% (0.02632) | 88.68th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.39% (0.05389) | 89.93th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.39% (0.05389) | 88.95th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.39% (0.05389) | 76.24th | v2 (v2022.01.01) |
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Change history (0)
No recorded changes yet.