Linux Distros Unpatched Vulnerability : CVE-2026-67211

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - OOM Denial of Service via Unbounded Map Pre-Sizing in Apache OpenNLP SymSpellModelSerializer Versions Affected: - 3.0.0-M4 - 3.0.0-M5 The opennlp-spellcheck...

DEBIAN-CVE-2026-82617

The two built-in name-finder patterns exposed by opennlp.tools.namefind.RegexNameFinderFactory - DEFAULTREGEXNAMEFINDER.EMAIL and DEFAULTREGEXNAMEFINDER.URL - contain ambiguous nested quantifiers. An application that obtains these finders through RegexNameFinderFactory.getDefaultRegexNameFinders...

CVE-2026-82617

The two built-in name-finder patterns exposed by opennlp.tools.namefind.RegexNameFinderFactory - DEFAULTREGEXNAMEFINDER.EMAIL and DEFAULTREGEXNAMEFINDER.URL - contain ambiguous nested quantifiers. An application that obtains these finders through RegexNameFinderFactory.getDefaultRegexNameFinders...

CVE-2026-67211

OOM Denial of Service via Unbounded Map Pre-Sizing in Apache OpenNLP SymSpellModelSerializer Versions Affected: - 3.0.0-M4 - 3.0.0-M5 The opennlp-spellcheck extension was introduced in 3.0.0-M4. Releases 1.x and 2.x do not contain the affected code. Description: The SymSpellModelSerializer.create...

CVE-2026-67211

OOM Denial of Service via Unbounded Map Pre-Sizing in Apache OpenNLP SymSpellModelSerializer Versions Affected: - 3.0.0-M4 - 3.0.0-M5 The opennlp-spellcheck extension was introduced in 3.0.0-M4. Releases 1.x and 2.x do not contain the affected code. Description: The SymSpellModelSerializer.create...

UBUNTU-CVE-2026-82617

The two built-in name-finder patterns exposed by opennlp.tools.namefind.RegexNameFinderFactory - DEFAULTREGEXNAMEFINDER.EMAIL and DEFAULTREGEXNAMEFINDER.URL - contain ambiguous nested quantifiers. An application that obtains these finders through RegexNameFinderFactory.getDefaultRegexNameFinders...

CVE-2026-82617

The two built-in name-finder patterns exposed by opennlp.tools.namefind.RegexNameFinderFactory - DEFAULTREGEXNAMEFINDER.EMAIL and DEFAULTREGEXNAMEFINDER.URL - contain ambiguous nested quantifiers. An application that obtains these finders through RegexNameFinderFactory.getDefaultRegexNameFinders...

UBUNTU-CVE-2026-67211

OOM Denial of Service via Unbounded Map Pre-Sizing in Apache OpenNLP SymSpellModelSerializer Versions Affected: - 3.0.0-M4 - 3.0.0-M5 The opennlp-spellcheck extension was introduced in 3.0.0-M4. Releases 1.x and 2.x do not contain the affected code. Description: The SymSpellModelSerializer.create...

CVE-2026-82617 Apache OpenNLP, Apache OpenNLP: ReDoS / stack exhaustion in RegexNameFinderFactory built-in EMAIL and URL patterns

The two built-in name-finder patterns exposed by opennlp.tools.namefind.RegexNameFinderFactory - DEFAULTREGEXNAMEFINDER.EMAIL and DEFAULTREGEXNAMEFINDER.URL - contain ambiguous nested quantifiers. An application that obtains these finders through RegexNameFinderFactory.getDefaultRegexNameFinders...

CVE-2026-82617

The two built-in name-finder patterns exposed by opennlp.tools.namefind.RegexNameFinderFactory - DEFAULTREGEXNAMEFINDER.EMAIL and DEFAULTREGEXNAMEFINDER.URL - contain ambiguous nested quantifiers. An application that obtains these finders through RegexNameFinderFactory.getDefaultRegexNameFinders...

EUVD-2026-76169

The two built-in name-finder patterns exposed by opennlp.tools.namefind.RegexNameFinderFactory - DEFAULTREGEXNAMEFINDER.EMAIL and DEFAULTREGEXNAMEFINDER.URL - contain ambiguous nested quantifiers. An application that obtains these finders through RegexNameFinderFactory.getDefaultRegexNameFinders...

CVE-2026-82617

Apache OpenNLP versions 2.0.0 through 2.5.11 and 3.0.0-M1 through 3.0.0-M5 are affected by ambiguous nested quantifiers in the built-in EMAIL and URL name-finder patterns of RegexNameFinderFactory. The EMAIL pattern suffers quadratic-time ReDoS: a ~32 KB input without an @ forces re-scanning from...

CVE-2026-67211 Apache OpenNLP: OOM DoS via Unbounded Array Allocation in SymSpellModelSerializer

OOM Denial of Service via Unbounded Map Pre-Sizing in Apache OpenNLP SymSpellModelSerializer Versions Affected: - 3.0.0-M4 - 3.0.0-M5 The opennlp-spellcheck extension was introduced in 3.0.0-M4. Releases 1.x and 2.x do not contain the affected code. Description: The SymSpellModelSerializer.create...

EUVD-2026-76167

OOM Denial of Service via Unbounded Map Pre-Sizing in Apache OpenNLP SymSpellModelSerializer Versions Affected: - 3.0.0-M4 - 3.0.0-M5 The opennlp-spellcheck extension was introduced in 3.0.0-M4. Releases 1.x and 2.x do not contain the affected code. Description: The SymSpellModelSerializer.create...

CVE-2026-67211

Apache OpenNLP (opennlp-spellcheck extension, versions 3.0.0-M4 and 3.0.0-M5 ) contains an OOM Denial of Service in SymSpellModelSerializer.create(). The method reads unigramCount and bigramCount (32-bit signed integers) from a binary .bin model file and passes them directly to LinkedHashMap.newL...

CVE-2026-67211

OOM Denial of Service via Unbounded Map Pre-Sizing in Apache OpenNLP SymSpellModelSerializer Versions Affected: - 3.0.0-M4 - 3.0.0-M5 The opennlp-spellcheck extension was introduced in 3.0.0-M4. Releases 1.x and 2.x do not contain the affected code. Description: The SymSpellModelSerializer.create...

PT-2026-90004

The two built-in name-finder patterns exposed by opennlp.tools.namefind.RegexNameFinderFactory - DEFAULT REGEX NAME FINDER.EMAIL and DEFAULT REGEX NAME FINDER.URL - contain ambiguous nested quantifiers. An application that obtains these finders through...

CVE-2026-63317

A flaw was found in Apache OpenNLP. This vulnerability allows an attacker to achieve arbitrary class instantiation by providing a specially crafted XML feature generator descriptor within a model archive or by supplying untrusted format names. While not direct remote code execution, successful...

CVE-2026-43825

Untrusted Java Deserialization in Apache OpenNLP SvmDoccatModel Versions Affected: before 3.0.0-M4 libsvm document categorization module; introduced in OPENNLP-1808 and only present on the 3.x line Description: SvmDoccatModel.deserializeInputStream reads an attacker-controlled stream with...

UBUNTU-CVE-2026-43825

Untrusted Java Deserialization in Apache OpenNLP SvmDoccatModel Versions Affected: before 3.0.0-M4 libsvm document categorization module; introduced in OPENNLP-1808 and only present on the 3.x line Description: SvmDoccatModel.deserializeInputStream reads an attacker-controlled stream with...