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CVE-2020-36281
Leptonica before 1.80.0 allows a heap-based buffer over-read in pixFewColorsOctcubeQuantMixed in colorquant1.c.
High7.5EPSS 2.9%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Leptonica before 1.80.0 allows a heap-based buffer over-read in pixFewColorsOctcubeQuantMixed in colorquant1.c.
Timeline
ID reserved
By mitre
- 1 day later
· 1 day later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 2.9% · top 13% of all CVEs (7 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
n/a
- affected n/a
References (7)
- https://github.com/DanBloomberg/leptonica/compare/1.79.0...1.80.0 (opens in a new tab)x_refsource_MISCx_transferred
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22140 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/DanBloomberg/leptonica/commit/5ee24b398bb67666f6d173763eaaedd9c36fb1e5 (opens in a new tab)x_refsource_MISCx_transferred
- [debian-lts-announce] 20210331 [SECURITY] [DLA 2612-1] leptonlib security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- FEDORA-2021-977ebc82da (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2021-f5f2803fff (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- GLSA-202107-53 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-36281)Record last updated .