MEDIUM
InfBlocks.java in JCraft JZlib before 0.0.7 allow remote attackers to cause a denial of service (NullPointerException) via an invalid block of deflated data
Published Aug 5, 2005
5.0
MEDIUMCVSS 2.0
EPSS 1.86%
Description
InfBlocks.java in JCraft JZlib before 0.0.7 allow remote attackers to cause a denial of service (NullPointerException) via an invalid block of deflated data.
Affected products
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.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.86% 0.01861
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01861
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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.86% (0.01861) | 78.47th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.62% (0.01616) | 72.80th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.74% (0.00739) | 71.20th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.98% (0.00976) | 84.08th | v3 (v2023.03.01) |
| May 24, 2024 | 0.43% (0.00426) | 74.31th | v3 (v2023.03.01) |
| May 10, 2024 | 0.36% (0.00358) | 72.00th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.30% (0.00303) | 69.31th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.28% (0.00284) | 67.95th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.26% (0.00257) | 64.50th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.22% (0.01216) | 83.13th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (3)
- http://www.iss.net/security_center/static/8627.php vdb-entryx_refsource_XF
- http://www.jcraft.com/jzlib/ChangeLog x_refsource_CONFIRM
- http://www.securityfocus.com/bid/4359 vdb-entryx_refsource_BIDPatch
| Link | Providers | Tags |
|---|---|---|
| http://www.iss.net/security_center/static/8627.php | vdb-entryx_refsource_XF | |
| http://www.jcraft.com/jzlib/ChangeLog | x_refsource_CONFIRM | |
| http://www.securityfocus.com/bid/4359 | vdb-entryx_refsource_BIDPatch |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Aug 5, 2005
Updated Sep 17, 2024
Reserved Aug 5, 2005
Link CVE-2002-2102
CISA Vulnrichment
Updated n/a