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Title: [3.10] gh-95778: CVE-2020-10735: Prevent DoS by very large int() by gpshead · Pull Request #96501 · python/cpython · GitHub

Open Graph Title: [3.10] gh-95778: CVE-2020-10735: Prevent DoS by very large int() by gpshead · Pull Request #96501 · python/cpython

X Title: [3.10] gh-95778: CVE-2020-10735: Prevent DoS by very large int() by gpshead · Pull Request #96501 · python/cpython

Description: Integer to and from text conversions via CPython's bignum int type is not safe against denial of service attacks due to malicious input. Very large input strings with hundred thousands of digits can consume several CPU seconds. This PR comes fresh from a pile of work done in our private PSRT security response team repo. This backports #96499 aka 511ca94 Signed-off-by: Christian Heimes [Red Hat] christian@python.org Tons-of-polishing-up-by: Gregory P. Smith [Google] greg@krypto.org Reviews via the private PSRT repo via many others (see the NEWS entry in the PR). Issue: gh-95778 I wrote up a one pager for the release managers.

Open Graph Description: Integer to and from text conversions via CPython's bignum int type is not safe against denial of service attacks due to malicious input. Very large input strings with hundred thousands of digit...

X Description: Integer to and from text conversions via CPython's bignum int type is not safe against denial of service attacks due to malicious input. Very large input strings with hundred thousands of d...

Opengraph URL: https://github.com/python/cpython/pull/96501

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[3.10] gh-95778: CVE-2020-10735: Prevent DoS by very large int() https://github.com/python/cpython/pull/96501/files#top
Show all changes 11 commits https://github.com/python/cpython/pull/96501/files
4631817 Backport to 3.10 from CVE-2020-10735-3.11backport. gpshead Aug 19, 2022 https://github.com/python/cpython/pull/96501/commits/4631817ae13b6873d317b27be39f3ab29f9d6645
0e84c7e doc patch fixup & missing help text blank line. gpshead Aug 19, 2022 https://github.com/python/cpython/pull/96501/commits/0e84c7eb995207c1517633021088af36f3b3d35a
7a19c64 Update attribution in Misc/NEWS.d gpshead Aug 25, 2022 https://github.com/python/cpython/pull/96501/commits/7a19c647b2aa6ab9f095cb117b6708a127679b6e
fe60b07 Manually add new field to abi file tiran Sep 1, 2022 https://github.com/python/cpython/pull/96501/commits/fe60b07c1b40d5bca468aa7fb7140af619c63b56
5e1ba25 Move the whatsnew text per review. gpshead Sep 1, 2022 https://github.com/python/cpython/pull/96501/commits/5e1ba255bcdd56b8adcb1da00a99a76af52a2484
bcd2ab0 Merge branch 'CVE-2020-10735-3.10backport' of github.com:python/psrt … gpshead Sep 1, 2022 https://github.com/python/cpython/pull/96501/commits/bcd2ab0e0a81fe2230661045054f71911422e64a
97b157d Make the doctest actually run & fix it. gpshead Sep 1, 2022 https://github.com/python/cpython/pull/96501/commits/97b157d4eab4c9002c6ad461322d285dde39894f
adab0bf Fix the docs build. gpshead Sep 2, 2022 https://github.com/python/cpython/pull/96501/commits/adab0bf3e8b455ef521899e17258749032e721df
059f402 Rename the news file to appease the Bedevere bot. gpshead Sep 2, 2022 https://github.com/python/cpython/pull/96501/commits/059f402a49b3bd862fec6bbbe41a1451d028da26
4d1f053 Merge branch '3.10' into CVE-2020-10735-3.10backport gpshead Sep 2, 2022 https://github.com/python/cpython/pull/96501/commits/4d1f0534d8815270c9b912b343813eedefe7cf4a
35c2d42 hexadecimal spelling =) gpshead Sep 2, 2022 https://github.com/python/cpython/pull/96501/commits/35c2d428df0522533aafdc5b7a5c4bffd2818e7d
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