The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:3706-1 advisory.

    Update to version 3.13.7.

    - Fixes in 3.13.7:
      * gh-137583: Fix a deadlock introduced in 3.13.6 when a call         to ssl.SSLSocket.recv was blocked in one thread, and then         another method on the object (such as ssl.SSLSocket.send) was         subsequently called in another thread.
      * gh-137044: Return large limit values as positive integers         instead of negative integers in resource.getrlimit().
        Accept large values and reject negative values (except         RLIM_INFINITY) for limits in resource.setrlimit().
      * gh-136914: Fix retrieval of doctest.DocTest.lineno         for objects decorated with functools.cache() or         functools.cached_property.
      * gh-131788: Make ResourceTracker.send from multiprocessing         re-entrant safe
      * gh-136155: We are now checking for fatal errors in EPUB         builds in CI.
      * gh-137400: Fix a crash in the free threading build when         disabling profiling or tracing across all threads with         PyEval_SetProfileAllThreads() or PyEval_SetTraceAllThreads()         or their Python equivalents threading.settrace_all_threads()         and threading.setprofile_all_threads().

    - Fixes in 3.13.6:
      * Security
        - gh-135661: Fix parsing start and end tags in           html.parser.HTMLParser according to the HTML5 standard.
            - Whitespaces no longer accepted between </ and the tag               name. E.g. </ script> does not end the script section.
            - Vertical tabulation (\v) and non-ASCII whitespaces no               longer recognized as whitespaces. The only whitespaces               are \t\n\r\f and space.
            - Null character (U+0000) no longer ends the tag name.
            - Attributes and slashes after the tag name in end tags               are now ignored, instead of terminating after the first               > in quoted attribute value. E.g. </script/foo='>'/>.
            - Multiple slashes and whitespaces between the last               attribute and closing > are now ignored in both start               and end tags. E.g. <a foo=bar/ //>.
            - Multiple = between attribute name and value are no               longer collapsed. E.g. <a foo==bar> produces attribute               foo with value =bar.
        - gh-102555: Fix comment parsing in html.parser.HTMLParser           according to the HTML5 standard. --!> now ends the comment.
          -- > no longer ends the comment. Support abnormally ended           empty comments <--> and <--->.
        - gh-135462: Fix quadratic complexity in processing specially           crafted input in html.parser.HTMLParser. End-of-file errors           are now handled according to the HTML5 specs  comments and           declarations are automatically closed, tags are ignored           (CVE-2025-6069, bsc#1244705).
        - gh-118350: Fix support of escapable raw text mode (elements           textarea and title) in html.parser.HTMLParser.
      * Core and Builtins
        - gh-58124: Fix name of the Python encoding in Unicode errors           of the code page codec: use cp65000 and cp65001 instead           of CP_UTF7 and CP_UTF8 which are not valid Python code           names. Patch by Victor Stinner.
        - gh-137314: Fixed a regression where raw f-strings           incorrectly interpreted escape sequences in format           specifications. Raw f-strings now properly preserve literal           backslashes in format specs, matching the behavior from           Python 3.11. For example, rf'{obj:\xFF}' now correctly           produces '\\xFF' instead of '?'. Patch by Pablo Galindo.
        - gh-136541: Fix some issues with the perf trampolines           on x86-64 and aarch64. The trampolines were not being           generated correctly for some cases, which could lead to           the perf integration not working correctly. Patch by Pablo           Galindo.
        - gh-109700: Fix memory error handling in           PyDict_SetDefault().
        - gh-78465: Fix error message for cls.__new__(cls, ...) where           cls is not instantiable builtin or extension type (with           tp_new set to NULL).
        - gh-135871: Non-blocking mutex lock attempts now return           immediately when the lock is busy instead of briefly           spinning in the free threading build.
        - gh-135607: Fix potential weakref races in an objects           destructor on the free threaded build.
        - gh-135496: Fix typo in the f-string conversion type error           (exclamanation -> exclamation).
        - gh-130077: Properly raise custom syntax errors when           incorrect syntax containing names that are prefixes of soft           keywords is encountered. Patch by Pablo Galindo.
        - gh-135148: Fixed a bug where f-string debug expressions           (using =) would incorrectly strip out parts of strings           containing escaped quotes and # characters. Patch by Pablo           Galindo.
        - gh-133136: Limit excess memory usage in the free threading           build when a large dictionary or list is resized and           accessed by multiple threads.
        - gh-132617: Fix dict.update() modification check that could           incorrectly raise a dict mutated during update error when           a different dictionary was modified that happens to share           the same underlying keys object.
        - gh-91153: Fix a crash when a bytearray is concurrently           mutated during item assignment.
        - gh-127971: Fix off-by-one read beyond the end of a string           in string search.
        - gh-125723: Fix crash with gi_frame.f_locals when generator           frames outlive their generator. Patch by Mikhail Efimov.
      * Library
        - gh-132710: If possible, ensure that uuid.getnode()           returns the same result even across different processes.
          Previously, the result was constant only within the same           process. Patch by B?n?dikt Tran.
        - gh-137273: Fix debug assertion failure in           locale.setlocale() on Windows.
        - gh-137257: Bump the version of pip bundled in ensurepip to           version 25.2
        - gh-81325: tarfile.TarFile now accepts a path-like when           working on a tar archive. (Contributed by Alexander Enrique           Urieles Nieto in gh-81325.)
        - gh-130522: Fix unraisable TypeError raised during           interpreter shutdown in the threading module.
        - gh-130577: tarfile now validates archives to ensure member           offsets are non-negative. (Contributed by Alexander Enrique           Urieles Nieto in gh-130577; CVE-2025-8194, bsc#1247249).
        - gh-136549: Fix signature of threading.excepthook().
        - gh-136523: Fix wave.Wave_write emitting an unraisable when           open raises.
        - gh-52876: Add missing keepends (default True)           parameter to codecs.StreamReaderWriter.readline() and           codecs.StreamReaderWriter.readlines().
        - gh-85702: If zoneinfo._common.load_tzdata is given a           package without a resource a zoneinfo.ZoneInfoNotFoundError           is raised rather than a PermissionError. Patch by Victor           Stinner.
        - gh-134759: Fix UnboundLocalError in           email.message.Message.get_payload() when the payload to           decode is a bytes object. Patch by Kliment Lamonov.
        - gh-136028: Fix parsing month names containing  (U+0130,           LATIN CAPITAL LETTER I WITH DOT ABOVE) in time.strptime().
          This affects locales az_AZ, ber_DZ, ber_MA and crh_UA.
        - gh-135995: In the palmos encoding, make byte 0x9b decode to            (U+203A - SINGLE RIGHT-POINTING ANGLE QUOTATION MARK).
        - gh-53203: Fix time.strptime() for %c and %x formats on           locales byn_ER, wal_ET and lzh_TW, and for %X format on           locales ar_SA, bg_BG and lzh_TW.
        - gh-91555: An earlier change, which was introduced in           3.13.4, has been reverted. It disabled logging for a logger           during handling of log messages for that logger. Since the           reversion, the behaviour should be as it was before 3.13.4.
        - gh-135878: Fixes a crash of types.SimpleNamespace on free           threading builds, when several threads were calling its
          __repr__() method at the same time.
        - gh-135836: Fix IndexError in           asyncio.loop.create_connection() that could occur when           non-OSError exception is raised during connection and           sockets close() raises OSError.
        - gh-135836: Fix IndexError in           asyncio.loop.create_connection() that could occur when the           Happy Eyeballs algorithm resulted in an empty exceptions           list during connection attempts.
        - gh-135855: Raise TypeError instead of SystemError when
          _interpreters.set___main___attrs() is passed a non-dict           object. Patch by Brian Schubert.
        - gh-135815: netrc: skip security checks if os.getuid() is           missing. Patch by B?n?dikt Tran.
        - gh-135640: Address bug where it was possible to call           xml.etree.ElementTree.ElementTree.write() on an ElementTree           object with an invalid root element. This behavior blanked           the file passed to write if it already existed.
        - gh-135444: Fix asyncio.DatagramTransport.sendto() to           account for datagram header size when data cannot be sent.
        - gh-135497: Fix os.getlogin() failing for longer usernames           on BSD-based platforms.
        - gh-135487: Fix reprlib.Repr.repr_int() when given integers           with more than sys.get_int_max_str_digits() digits. Patch           by B?n?dikt Tran.
        - gh-135335: multiprocessing: Flush stdout and stderr after           preloading modules in the forkserver.
        - gh-135244: uuid: when the MAC address cannot be           determined, the 48-bit node ID is now generated with a           cryptographically-secure pseudo-random number generator           (CSPRNG) as per RFC 9562, ?6.10.3. This affects uuid1().
        - gh-135069: Fix the Invalid error handling exception in           encodings.idna.IncrementalDecoder to correctly replace the           errors parameter.
        - gh-134698: Fix a crash when calling methods of           ssl.SSLContext or ssl.SSLSocket across multiple threads.
        - gh-132124: On POSIX-compliant systems,           multiprocessing.util.get_temp_dir() now ignores TMPDIR           (and similar environment variables) if the path length of           AF_UNIX socket files exceeds the platform-specific maximum           length when using the forkserver start method. Patch by           B?n?dikt Tran.
        - gh-133439: Fix dot commands with trailing spaces are           mistaken for multi-line SQL statements in the sqlite3           command-line interface.
        - gh-132969: Prevent the ProcessPoolExecutor executor thread,           which remains running when shutdown(wait=False), from           attempting to adjust the pools worker processes after           the object state has already been reset during shutdown.
          A combination of conditions, including a worker process           having terminated abormally, resulted in an exception and           a potential hang when the still-running executor thread           attempted to replace dead workers within the pool.
        - gh-130664: Support the '_' digit separator in formatting           of the integral part of Decimals. Patch by Sergey B           Kirpichev.
        - gh-85702: If zoneinfo._common.load_tzdata is given a           package without a resource a ZoneInfoNotFoundError is           raised rather than a IsADirectoryError.
        - gh-130664: Handle corner-case for Fractions formatting:
          treat zero-padding (preceding the width field by a zero           ('0') character) as an equivalent to a fill character of           '0' with an alignment type of '=', just as in case of           floats.
      * Tools/Demos
        - gh-135968: Stubs for strip are now provided as part of an           iOS install.
      * Tests
        - gh-135966: The iOS testbed now handles the app_packages           folder as a site directory.
        - gh-135494: Fix regrtest to support excluding tests from
          --pgo tests. Patch by Victor Stinner.
        - gh-135489: Show verbose output for failing tests during PGO           profiling step with enable-optimizations.
      * Documentation
        - gh-135171: Document that the iterator for the leftmost for           clause in the generator expression is created immediately.
      * Build
        - gh-135497: Fix the detection of MAXLOGNAME in the           configure.ac script.

Tenable has extracted the preceding description block directly from the SUSE security advisory.

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SUSE SLED15 / SLES15 Security Update : python313 (SUSE-SU-2025:3706-1)

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