CVE-2018-20652 json
An attempted excessive memory allocation was discovered in the function tinyexr::AllocateImage in tinyexr.h in tinyexr v0.9.5.
published 2019-01-01 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-13203
- cvss
- 6.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 73%
- public exploits
- 0
- none known
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.
Exploit prediction
1.46% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/syoyo/tinyexr/issues/104 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-770 Allocation of Resources Without Limits or Throttling
References
-
github.com
/syoyo/tinyexr/issues/104
exploit, third-party-advisory
Sources
- CVE List CVE-2018-20652
- NVD CVE-2018-20652
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