How severe is CVE-2020-19490?

CVE-2020-19490 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-19490 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-19490?

CVE-2020-19490 affects Tinyexr Project Tinyexr. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-19490?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-19490 published?

CVE-2020-19490 was published on 2021-07-21 and last updated on 2026-06-17.

CVE-2020-19490

CVE-2020-19490 is a medium-severity vulnerability in Tinyexr Project Tinyexr with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-190.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Tinyexr Project Tinyexr
Published: 2021-07-21
Last modified: 2026-06-17

Description

tinyexr 0.9.5 has a integer overflow over-write in tinyexr::DecodePixelData in tinyexr.h, related to OpenEXR code.

Frequently asked questions

What is CVE-2020-19490?: tinyexr 0.9.5 has a integer overflow over-write in tinyexr::DecodePixelData in tinyexr.h, related to OpenEXR code.
How severe is CVE-2020-19490?: CVE-2020-19490 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-19490 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-19490?: CVE-2020-19490 affects Tinyexr Project Tinyexr. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-19490?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-19490 published?: CVE-2020-19490 was published on 2021-07-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:tinyexr_project:tinyexr:0.9.5:*:*:*:*:*:*:*

More vulnerabilities in Tinyexr Project Tinyexr

CVE-2018-12688 — Critical (CVSS 9.8): tinyexr 0.9.5 has a segmentation fault in the wav2Decode function.
CVE-2018-12503 — Critical (CVSS 9.8): tinyexr 0.9.5 has a heap-based buffer over-read in LoadEXRImageFromMemory in tinyexr.h.
CVE-2018-12092 — Critical (CVSS 9.8): tinyexr 0.9.5 has a heap-based buffer over-read in tinyexr::DecodePixelData in tinyexr.h, related to OpenEXR code.
CVE-2018-12064 — Critical (CVSS 9.8): tinyexr 0.9.5 has a heap-based buffer over-read via tinyexr::ReadChannelInfo in tinyexr.h.
CVE-2022-34300 — High (CVSS 8.8): In tinyexr 1.0.1, there is a heap-based buffer over-read in tinyexr::DecodePixelData.
CVE-2022-38529 — High (CVSS 7.8): tinyexr commit 0647fb3 was discovered to contain a heap-buffer overflow via the component rleUncompress.

All CVEs affecting Tinyexr Project Tinyexr →

Other CWE-190 (Integer Overflow or Wraparound) vulnerabilities

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CVE-2025-64721 — Critical (CVSS 10.0): Sandboxie is a sandbox-based isolation software for 32-bit and 64-bit Windows NT-based operating systems. In versions…
CVE-2015-5108 — Critical (CVSS 10.0): Integer overflow in Adobe Reader and Acrobat 10.x before 10.1.15 and 11.x before 11.0.12, Acrobat and Acrobat Reader DC…
CVE-2015-5097 — Critical (CVSS 10.0): Integer overflow in Adobe Reader and Acrobat 10.x before 10.1.15 and 11.x before 11.0.12, Acrobat and Acrobat Reader DC…
CVE-2013-2555 — Critical (CVSS 10.0): Integer overflow in Adobe Flash Player before 10.3.183.75 and 11.x before 11.7.700.169 on Windows and Mac OS X, before…

Browse all CWE-190 (Integer Overflow or Wraparound) vulnerabilities →