CVE-2026-68497

A flaw was found in jackson-databind. An unauthenticated attacker can trigger a denial of service DoS by exploiting an unbounded numeric parse vulnerability. This occurs during the deserialization of javax.xml.datatype.Duration or javax.xml.datatype.XMLGregorianCalendar fields from JSON strings,...

CVE-2026-6042-PoC

CVE-2026-6042: Algorithmic Complexity DoS in musl libc iconv Gap-skipping loops in musl's iconv GB18030 4-byte decoder allow a small crafted input to consume disproportionate CPU time. A 40 KB adversarial payload can pin a CPU core for over 40 minutes. Advisory :...

EUVD-2026-66396

NLTK: ReDoS in nltk.text.Text.findall via unvalidated user-supplied regular expressions...

CVE-2026-80206

A flaw was found in NLTK, specifically within its tgrep module. This vulnerability, known as Regular Expression Denial of Service ReDoS, allows a remote attacker to provide specially crafted regular expressions. When processed, these expressions can cause indefinite CPU saturation, leading to a...

CVE-2026-80205

A flaw was found in NLTK. A remote attacker can exploit a regular expression denial of service ReDoS vulnerability in the Text.findall and TokenSearcher.findall methods. These methods accept user-supplied regular expressions without validation, allowing an attacker to provide crafted patterns tha...

PYSEC-2026-3751

NLTK before 3.10.3 contains a regular expression denial of service ReDoS vulnerability in the tgrep module. The tgrepnodeaction function compiles user-supplied regular expressions embedded in /regex/ pattern nodes and executes them via re.search against tree node labels without any validation or...

PYSEC-2026-3751

NLTK before 3.10.3 contains a regular expression denial of service ReDoS vulnerability in the tgrep module. The tgrepnodeaction function compiles user-supplied regular expressions embedded in /regex/ pattern nodes and executes them via re.search against tree node labels without any validation or...

CVE-2026-80206

NLTK before 3.10.3 contains a regular expression denial of service ReDoS vulnerability in the tgrep module. The tgrepnodeaction function compiles user-supplied regular expressions embedded in /regex/ pattern nodes and executes them via re.search against tree node labels without any validation or...

CVE-2026-80205

NLTK versions before 3.10.0 contain a regular expression denial of service vulnerability in Text.findall and TokenSearcher.findall methods that accept user-supplied regular expressions without validation or timeout. Attackers can supply crafted regex patterns that cause catastrophic backtracking,...

CVE-2026-80206

NLTK (a Python natural language processing library) versions before 3.10.3 contain a ReDoS vulnerability in the tgrep module. The _tgrep_node_action function compiles user-supplied regular expressions embedded in /regex/ pattern nodes and executes them via re.search against tree node labels witho...

CVE-2026-80206 NLTK 3.10.2 Regular Expression Denial of Service via tgrep

NLTK before 3.10.3 contains a regular expression denial of service ReDoS vulnerability in the tgrep module. The tgrepnodeaction function compiles user-supplied regular expressions embedded in /regex/ pattern nodes and executes them via re.search against tree node labels without any validation or...

CVE-2026-80206 NLTK 3.10.2 Regular Expression Denial of Service via tgrep

NLTK before 3.10.3 contains a regular expression denial of service ReDoS vulnerability in the tgrep module. The tgrepnodeaction function compiles user-supplied regular expressions embedded in /regex/ pattern nodes and executes them via re.search against tree node labels without any validation or...

CVE-2026-80206 NLTK 3.10.2 Regular Expression Denial of Service via tgrep

NLTK before 3.10.3 contains a regular expression denial of service ReDoS vulnerability in the tgrep module. The tgrepnodeaction function compiles user-supplied regular expressions embedded in /regex/ pattern nodes and executes them via re.search against tree node labels without any validation or...

CVE-2026-80205 NLTK before 3.10.0 ReDoS via Text.findall() unvalidated regex

NLTK versions before 3.10.0 contain a regular expression denial of service vulnerability in Text.findall and TokenSearcher.findall methods that accept user-supplied regular expressions without validation or timeout. Attackers can supply crafted regex patterns that cause catastrophic backtracking,...

Linux Distros Unpatched Vulnerability : CVE-2026-80205

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NLTK versions before 3.10.0 contain a regular expression denial of service vulnerability in Text.findall and TokenSearcher.findall methods that accept...

Linux Distros Unpatched Vulnerability : CVE-2026-80206

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NLTK before 3.10.3 contains a regular expression denial of service ReDoS vulnerability in the tgrep module. The tgrepnodeaction function compiles user-supplied...

PT-2026-82080

Name of the Vulnerable Software and Affected Versions NLTK versions prior to 3.10.3 Description The tgrep module contains a regular expression denial of service ReDoS issue. The tgrep node action function compiles user-supplied regular expressions within /regex/ pattern nodes and executes them...

CVE-2026-55620

emlparser serves as a python module for parsing eml files and returning various information found in the e-mail as well as computed information. Prior to 3.0.2, emlparser.routing.noparenthesis in emlparser/routing.py removes parenthesized CFWS comments from Received: headers with a regex-based...

CVE-2026-55620

eml_parser is a Python module for parsing EML files. Prior to 3.0.2 , the eml_parser.routing.noparenthesis function in eml_parser/routing.py removes parenthesized CFWS comments from Received: headers using a regex-based fix-point loop with quadratic running time in nesting depth. A single Receive...

PT-2026-81476

Name of the Vulnerable Software and Affected Versions eml parser versions prior to 3.0.2 Description The noparenthesis function in eml parser/routing.py uses a regex-based fix-point loop to remove parenthesized CFWS Comments and Folding White Space from Received: headers. The processing time for...