CVE catalog
CVE-2020-36277
leptonlib: CVE-2020-36277
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 2.43% · Oct 25, 2026
Leptonica before 1.80.0 allows a denial of service (application crash) via an incorrect left shift in pixConvert2To8 in pixconv.c.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | leptonlib | sid | 1.86.0-1 | fixed |
| Debian | leptonlib | forky | 1.86.0-1 | fixed |
| Debian | leptonlib | trixie | 1.84.1-4 | fixed |
| Debian | leptonlib | bookworm | 1.82.0-3 | fixed |
| Ubuntu | leptonlib | pro | 1.74.4-1 | vulnerable |
| Ubuntu | leptonlib | pro | 1.74.4-2 | vulnerable |
| Ubuntu | leptonlib | pro | 1.75.3-1 | vulnerable |
| Ubuntu | leptonlib | pro | 1.75.3-2 | vulnerable |
| Ubuntu | leptonlib | pro | 1.75.3-3 | vulnerable |
| Ubuntu | leptonlib | pro | 1.75.3-3ubuntu0.1~esm1 | vulnerable |
| Ubuntu | leptonlib | 20.04 | 1.78.0-2 | vulnerable |
| Ubuntu | leptonlib | 20.04 | 1.79.0-1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | leptonlib | source | sid | 1.79.0-1.1 | not yet assigned | Not reported | [985089] |
| Debian | leptonlib | source | forky | 1.79.0-1.1 | not yet assigned | Not reported | [985089] |
| Debian | leptonlib | source | trixie | 1.79.0-1.1 | not yet assigned | Not reported | [985089] |
| Debian | leptonlib | source | bookworm | 1.79.0-1.1 | not yet assigned | Not reported | [985089] |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [leptonica-progs]Fixed
Source package: [leptonlib]
Details (2)
1.82.0-3+b3· amd64 · bookwormFixed · Fixed:
1.79.0-1.1dsa · leptonlib · debian · bookworm; dsa · leptonlib · debian · 12
1.82.0-3+b3· arm64 · bookwormFixed · Fixed:
1.79.0-1.1dsa · leptonlib · debian · bookworm; dsa · leptonlib · debian · 12
- [liblept5]Fixed
Source package: [leptonlib]
Details (2)
1.82.0-3+b3· amd64 · bookwormFixed · Fixed:
1.79.0-1.1dsa · leptonlib · debian · bookworm; dsa · leptonlib · debian · 12
1.82.0-3+b3· arm64 · bookwormFixed · Fixed:
1.79.0-1.1dsa · leptonlib · debian · bookworm; dsa · leptonlib · debian · 12
- [libleptonica-dev]Fixed
Source package: [leptonlib]
Details (2)
1.82.0-3+b3· amd64 · bookwormFixed · Fixed:
1.79.0-1.1dsa · leptonlib · debian · bookworm; dsa · leptonlib · debian · 12
1.82.0-3+b3· arm64 · bookwormFixed · Fixed:
1.79.0-1.1dsa · leptonlib · debian · bookworm; dsa · leptonlib · debian · 12
[Debian 13 (Trixie)]
- [leptonica-progs]Fixed
Source package: [leptonlib]
Details (2)
1.84.1-4· amd64 · trixieFixed · Fixed:
1.79.0-1.1dsa · leptonlib · debian · 13
1.84.1-4· arm64 · trixieFixed · Fixed:
1.79.0-1.1dsa · leptonlib · debian · 13
- [libleptonica6]Fixed
Source package: [leptonlib]
Details (2)
1.84.1-4· amd64 · trixieFixed · Fixed:
1.79.0-1.1dsa · leptonlib · debian · 13
1.84.1-4· arm64 · trixieFixed · Fixed:
1.79.0-1.1dsa · leptonlib · debian · 13
- [libleptonica-dev]Fixed
Source package: [leptonlib]
Details (2)
1.84.1-4· amd64 · trixieFixed · Fixed:
1.79.0-1.1dsa · leptonlib · debian · 13
1.84.1-4· arm64 · trixieFixed · Fixed:
1.79.0-1.1dsa · leptonlib · debian · 13
Observed:
References
- [https://osv.dev/vulnerability/DEBIAN-CVE-2020-36277]
- [https://osv.dev/vulnerability/DLA-2612-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2020-36277]
- [https://security-tracker.debian.org/tracker/CVE-2020-36277]
- [https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-36277.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]