CVE-2020-19490 json
tinyexr 0.9.5 has a integer overflow over-write in tinyexr::DecodePixelData in tinyexr.h, related to OpenEXR code.
published 5y ago modified 4mo ago also EUVD-2020-11394
- cvss
- 5.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 57%
- public exploits
- 0
- none known
Summary
tinyexr 0.9.5 has a integer overflow over-write in tinyexr::DecodePixelData in tinyexr.h, related to OpenEXR code.
Patch / fix
Is CVE-2020-19490 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
0.83% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- github.com https://github.com/syoyo/tinyexr/issues/124 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/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-190 Integer Overflow or Wraparound
References
-
github.com
/syoyo/tinyexr/commit/a685e3332f61cd4e59324bf3f669d36973d64270
patch, third-party-advisory
-
github.com
/syoyo/tinyexr/issues/124
exploit, third-party-advisory
Sources
- CVE List CVE-2020-19490
- NVD CVE-2020-19490
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