Linux · 
Ubuntu · Package update · October 7, 2026
Ubuntu · Package update · October 7, 2026libtesseract5 5.3.4-1ubuntu0.1~esm1: libtesseract5 5.3.4-1ubuntu0.1~esm1 for Ubuntu 24.04.5 LTS (noble)
libtesseract5 5.3.4-1ubuntu0.1~esm1, released October 7, 2026, fixes 10 CVEs in libtesseract5. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
10
None rated Critical
Exploited
0
None reported
Highest CVSS
8.4
Base score, 0 to 10
Highest EPSS
0.0017
7th percentile
Priority of the 10 CVEs
Patch now 0
Urgent 0
High 7
Routine 3
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| libtesseract5 | Ubuntu 24.04.5 LTS (noble) | 5.3.4-1ubuntu0.1~esm1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-88052 | tesseract: Resolves: CVE-2026-88051 CVE-2026-88053 | 8.4 | 0.0017 | None reported |
| High | CVE-2026-88053 | tesseract: Resolves: CVE-2026-88051 CVE-2026-88052 | 8.4 | 0.0017 | None reported |
| High | CVE-2026-88048 | tesseract: Resolves: CVE-2026-88047 CVE-2026-88049 | 8.4 | 0.0017 | None reported |
| High | CVE-2026-88051 | tesseract: Fix incomplete reset 'size_used_' on validation failure | 8.4 | 0.0017 | None reported |
| High | CVE-2026-88049 | tesseract: Resolves: CVE-2026-88047 CVE-2026-88048 | 8.4 | 0.0015 | None reported |
| High | CVE-2026-73066 | tesseract: ELSA-2026-67831: tesseract security update (IMPORTANT) | 7.1 | 0.0013 | None reported |
| High | CVE-2026-88047 | tesseract: Resolves: CVE-2026-88048 CVE-2026-88049 | 8.4 | 0.0012 | None reported |
| Routine | CVE-2026-88054 | tesseract-ocr: denial of service via empty-stack dereference at model load (boo#1280935) | n/a | 0.0015 | None reported |
| Routine | CVE-2026-88050 | tesseract-ocr: out-of-bounds write in UnicharCompress via unvalidated recoder code values (boo#1280931) | n/a | 0.0015 | None reported |
| Routine | CVE-2026-73067 | tesseract-ocr: heap out-of-bounds read in SquishedDawg on crafted model (boo#1275623) | n/a | 0.0013 | None reported |
Showing 1 to 10 of 10
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