An attempted excessive memory allocation was discovered in the function…
Priority LOW 32CWE-770Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-770.
Summary
An attempted excessive memory allocation was discovered in the function tinyexr::AllocateImage in tinyexr.h in tinyexr v0.9.5. Remote attackers could leverage this vulnerability to cause a denial-of-service via crafted input, which leads to an out-of-memory exception.
Why it matters now
EPSS 0.01456 73rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:tinyexr_project:tinyexr:0.9.5:*:*:*:*:*:*:* | 0.9.5 | Vulnerable | Tinyexr Project |
- cpe:2.3:a:tinyexr_project:tinyexr:0.9.5:*:*:*:*:*:*:* Versions 0.9.5 Vulnerable ·Tinyexr Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-20652
- 2026-10-03 Alias added: GHSA-j56v-9w7f-7jg3
References
More Tinyexr Project Tinyexr vulnerabilities
- TI-2018-08978 tinyexr 0.9.5 has a heap-based buffer over-read in LoadEXRImageFromMemory in tinyexr.h. CVSS 3.0CRITICAL 9.8
- TI-2018-09105 tinyexr 0.9.5 has a segmentation fault in the wav2Decode function. CVSS 3.0CRITICAL 9.8
- TI-2018-08671 tinyexr 0.9.5 has a heap-based buffer over-read in tinyexr::DecodePixelData in tinyexr.h, related to OpenEXR code. CVSS 3.0CRITICAL 9.8
- TI-2018-08648 tinyexr 0.9.5 has a heap-based buffer over-read via tinyexr::ReadChannelInfo in tinyexr.h. CVSS 3.0CRITICAL 9.8
- TI-2022-15212 In tinyexr 1.0.1, there is a heap-based buffer over-read in tinyexr::DecodePixelData. CVSS 3.1HIGH 8.8
- TI-2018-09104 tinyexr 0.9.5 has an assertion failure in DecodePixelData in tinyexr.h. CVSS 3.0HIGH 7.5
Sources
- CVE-2018-20652 · CVE Program
- CVE-2018-20652 · NVD
- FIRST EPSS
- GHSA-j56v-9w7f-7jg3 · GitHub Advisory Database · CC BY 4.0
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