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Search Results (423517 CVEs found)
| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2026-32778 | 1 Libexpat Project | 1 Libexpat | 2026-11-10 | 2.9 Low |
| libexpat before 2.7.5 allows a NULL pointer dereference in the function setContext on retry after an earlier ouf-of-memory condition. | ||||
| CVE-2026-32777 | 1 Libexpat Project | 1 Libexpat | 2026-11-10 | 4 Medium |
| libexpat before 2.7.5 allows an infinite loop while parsing DTD content. | ||||
| CVE-2026-32776 | 1 Libexpat Project | 1 Libexpat | 2026-11-10 | 4 Medium |
| libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content. | ||||
| CVE-2026-25210 | 1 Libexpat Project | 1 Libexpat | 2026-11-10 | 6.9 Medium |
| In libexpat before 2.7.4, the doContent function does not properly determine the buffer size bufSize because there is no integer overflow check for tag buffer reallocation. | ||||
| CVE-2026-24515 | 1 Libexpat Project | 1 Libexpat | 2026-11-10 | 2.9 Low |
| In libexpat before 2.7.4, XML_ExternalEntityParserCreate does not copy unknown encoding handler user data. | ||||
| CVE-2026-1502 | 1 Python | 1 Cpython | 2026-11-10 | 4.5 Medium |
| CR/LF bytes were not rejected by HTTP client proxy tunnel headers or host. | ||||
| CVE-2026-19553 | 1 Python | 1 Cpython | 2026-11-10 | 7.4 High |
| ssl.SSLContext.wrap_bio() didn't require the server_hostname argument to not be None if ssl.SSLContext.check_hostname was set. Due to a missing parameter check in SSLObject, if the server_hostname argument isn't supplied then hostname verification would be silently skipped. This defect could lead to programs where certificate hostname verification *appeared* to be succeeding with SSLContext.check_hostname = True and no ValueError being raised due to misconfiguration. If the program passes a server_hostname value that isn't an empty string or None to any of these APIs then certificate hostname verification proceeds as expected and the program is not affected by this vulnerability. Mitigating this vulnerability doesn't require updating Python or applying the patch. To mitigate, pass a valid non-None and non-empty server_hostname value to SSLContext.wrap_bio(), asyncio.create_connection(), or asyncio.loop.start_tls() and certificate hostname verification will proceed as expected. Upgrading to the latest version of Python or applying the patch only changes the behavior from silently skipping hostname verification to raising a ValueError, similar to SSLContext.wrap_socket(), when server_hostname isn't supplied. | ||||
| CVE-2026-19487 | 1 Perl | 1 Perl | 2026-11-10 | 5.3 Medium |
| Perl versions from 5.9.4 before 5.41.9 produce incorrect regular expression match results when a stale failure flag ends the Aho-Corasick prescan early in S_find_byclass. The prescan walks the subject for positions where the full pattern could match, and the engine tries it from the leftmost one recorded. A failing transition sets the failed flag, and a later successful transition does not clear it, so the prescan reads the stale flag as a failure and stops before it can record a candidate that starts earlier. It takes a subject where one candidate is recorded and a later character then forces a fallback through a fail link that succeeds. Example: "ABCDE" =~ m/ABCF|BCDE|C/; # matches C at offset 2, not BCDE "ABCDE" =~ m/ABCF|BCDE|C(G)/; # no match, BCDE missed An alternation like this can miss input it should match, or match it on the wrong branch, so an access or filtering decision made from the result can be wrong. | ||||
| CVE-2026-19445 | 2 Python, Redhat | 2 Cpython, Hummingbird | 2026-11-10 | 8.1 High |
| A remote, unauthenticated TLS client can make a server crash or call through a freed pointer if its sni_callback assigns a different context to SSLSocket.context (the documented way to select a certificate per server name) and nothing else keeps the original ssl.SSLContext alive. Typical cases are servers that create an SSLContext per connection or replace it while connections are open; servers that wrap their listening socket with it are not affected. Mitigation: keep a reference to every SSLContext that sets sni_callback for the lifetime of the server. TLS clients are not affected. | ||||
| CVE-2026-18503 | 1 Python | 1 Cpython | 2026-11-10 | 2.8 Low |
| Attacker-controlled CSV samples can trigger super-linear regular-expression work during dialect sniffing and consume significant CPU when applications pass unbounded input to csv.Sniffer.sniff(). | ||||
| CVE-2026-17084 | 1 Python | 1 Cpython | 2026-11-10 | N/A |
| The "stringprep" module didn't process characters from RFC 3454 tables B.2 or B.3 correctly: the latest Unicode codepoint attributes were used instead of the specified Unicode 3.2.0. This behavior would cause mismatches when processing domain names using IDNA 2003 (the "idna" codec) and the in_table_b2() function of the "stringprep" module. This only affects domain names containing characters that were not previously registered or had their Unicode attributes such as case-folding behavior updated since Unicode 3.2.0. | ||||
| CVE-2026-15806 | 1 Python | 1 Cpython | 2026-11-10 | N/A |
| The HTTPPasswordMgr class in the urllib.request module, along with its subclasses HTTPPasswordMgrWithDefaultRealm and HTTPPasswordMgrWithPriorAuth, did not take the URL scheme into account when matching stored credentials against a requested URL. Credentials added for an https:// URL were also used for requests to the same host over http://, so an attacker able to redirect or downgrade a client to plain HTTP (for example, via an HTTPS-to-HTTP redirect or an on-path position) could capture credentials in cleartext. Credentials added for http:// URLs could likewise be sent over https://. Credential matching is now scoped by URL scheme. Credentials registered with a URL that includes a scheme are only used for requests with the same scheme. Credentials registered with a bare authority (such as example.com or example.com:8080) continue to match any scheme, preserving compatibility with existing code, including proxy authentication. Users who cannot upgrade immediately can mitigate by ensuring that applications never make plain http:// requests to hosts for which credentials are registered, for example by not following redirects to http:// URLs. | ||||
| CVE-2026-15310 | 1 Python | 1 Cpython | 2026-11-10 | N/A |
| When decompressing crafted zip files using the bzip/LZMA/Zstandard compressions, Python could use an attacker-controlled size to pre-allocate memory, possibly resulting in memory exhaustion. | ||||
| CVE-2026-15308 | 1 Python | 2 Cpython, Python | 2026-11-10 | 7.5 High |
| The incremental HTML parser (html.parser.HTMLParser) allows for CPU denial-of-service through repeated unterminated markup declarations when processing uncontrolled data. | ||||
| CVE-2026-13221 | 2 Perl, Shay | 2 Perl, Perl | 2026-11-10 | 9.1 Critical |
| Perl versions before 5.40.5-RC1, from 5.41.0 before 5.42.3-RC1, from 5.43.0 before 5.43.10 produce silently incorrect regular expression matches when an alternation of more than 65535 fixed string branches is compiled into a trie in Perl_study_chunk. When such branches are combined into a trie, the delta between the first branch and the shared tail is stored in a 16-bit field. A branch count above 65535 overflows the field, and the trie's match decision table is truncated with no warning or error. A pattern of this shape produces false positive matches (matching strings it should not) and false negative matches (failing to match strings it should). When such a pattern gates an access or filtering decision, the result is wrong. | ||||
| CVE-2026-12087 | 1 Pevans | 1 Socket | 2026-11-10 | 9.1 Critical |
| Socket versions before 2.041 for Perl have an out-of-bounds heap read. In Socket.xs, pack_ip_mreq_source() checks the length of its source argument before the argument is read, so the check tests the byte length carried over from the preceding multiaddr argument instead. Both addresses occupy a 4-byte field, so a valid multiaddr lets a source of any length pass the check, and the source is then copied into the 4-byte imr_sourceaddr field with a fixed-size copy. A source shorter than 4 bytes is not rejected, and the copy reads up to 3 bytes past the end of its buffer. Calling pack_ip_mreq_source() with a source value shorter than 4 bytes copies adjacent heap memory into the returned packed structure. | ||||
| CVE-2026-121632 | 2026-11-10 | 6.1 Medium | ||
| Data::MuForm versions through 0.05 for Perl render attribute values and option labels into HTML without escaping. process_attrs writes each attribute value into the markup as is. The select, radio group and checkbox group renderers pass each option to it, so an option's value becomes an unescaped attribute. Option and option group labels are also unescaped, the group label inside a label attribute and the others in element content. Any application whose option list is built from data rather than literals, using an options_<field_name> method, a build_options method or a DBIC model, allows attacker-influenced text in an option value or label that can embed JavaScript in rendered pages. Attribute values built from data, such as through element_attr, are affected the same way. | ||||
| CVE-2026-121009 | 2026-11-10 | 7.3 High | ||
| SQL::Abstract versions from 1.90_01 before 2.000001_04 for Perl skip the injection_guard check for function names given with -func. injection_guard is documented to apply to every function name, but only the { -name => ... } shorthand goes through it. The explicit { -func => [ $name, ... ] } form puts $name into the SQL unchecked. An application that relies on injection_guard to reject an untrusted function name passed with -func allows SQL injection. | ||||
| CVE-2026-121007 | 2026-11-10 | 7.3 High | ||
| SQL::Abstract versions from 1.90_01 before 2.000001_04 for Perl allow SQL injection via the where values of a nested statement in an identifier position. A nested statement such as { -select => ... } in a position where plain scalars are identifiers treats its own plain scalars as identifiers too. These positions are the select list, ORDER BY, GROUP BY, RETURNING, and with the ExtraClauses plugin FROM (-as) and JOIN (to). The values of the statement's where, having and set clauses, and the rows of a -values, go into the SQL text instead of the bind list, unescaped unless quote_char is set. Subselects in a WHERE condition are not affected. An application that passes untrusted input as a where value of such a nested statement, expecting it to be bound, allows SQL injection. | ||||
| CVE-2026-111822 | 1 Apache | 2 Activemq, Activemq Runtime Config | 2026-11-10 | 8.1 High |
| Improper invalidation of cached authorizations vulnerability in Apache ActiveMQ, Apache ActiveMQ Runtime Config. After the runtime configuration plugin removes a principal's write grant on a destination, an authenticated connection opened before the change can keep sending to that destination, including through a new anonymous producer, while fresh connections and new explicit producers are denied. This issue affects Apache ActiveMQ: from 6.0.0 before 6.3.3, before 5.19.12; Apache ActiveMQ Runtime Config: from 6.0.0 before 6.3.3, before 5.19.12. Users are recommended to upgrade to version 6.4.0, 6.3.3 or 5.19.12, which fixes the issue. | ||||