Merge bitcoin/bitcoin#21991: build: libevent 2.1.12-stable

f152c1ac66bfe5c77d947d5c99ce5da3a88797fa build: libevent 2.1.12-stable (fanquake)

Pull request description:

  Start using [libevent 2.1.12-stable](https://github.com/libevent/libevent/releases/tag/release-2.1.12-stable) in depends. Changelog is available here: https://raw.githubusercontent.com/libevent/libevent/release-2.1.12-stable/ChangeLog. This release basically only contains bug fixes.

  Upgrading will also prevent some oss-fuzz reports which are coming from libevent code, such as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34355 & https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34412.

  Guix builds:
  ```bash
  aa365feab851d2055c4c3cd787fc1db972a8f2efe1e7c75bc62b34594846a021  guix-build-f152c1ac66bf/output/aarch64-linux-gnu/bitcoin-f152c1ac66bf-aarch64-linux-gnu-debug.tar.gz
  80cf96c4618279f4420b3f15ce3d3331937506e7996d8c325ce741f4da431fad  guix-build-f152c1ac66bf/output/aarch64-linux-gnu/bitcoin-f152c1ac66bf-aarch64-linux-gnu.tar.gz
  53db9e6b78fa13e0753cab4a35da5e66156c54485020c6c49b1cd1ab406e978b  guix-build-f152c1ac66bf/output/aarch64-linux-gnu/inputs.SHA256SUMS
  b6261b19ed8f55e655122d515a4f76a984e1f74f932630ce40ca34bb76fadfc6  guix-build-f152c1ac66bf/output/arm-linux-gnueabihf/bitcoin-f152c1ac66bf-arm-linux-gnueabihf-debug.tar.gz
  be1018237e5e739a742f777efdbdd28ff794cfc2faa39930d5da6dfcfa620da3  guix-build-f152c1ac66bf/output/arm-linux-gnueabihf/bitcoin-f152c1ac66bf-arm-linux-gnueabihf.tar.gz
  53db9e6b78fa13e0753cab4a35da5e66156c54485020c6c49b1cd1ab406e978b  guix-build-f152c1ac66bf/output/arm-linux-gnueabihf/inputs.SHA256SUMS
  e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855  guix-build-f152c1ac66bf/output/dist-archive/SKIPATTEST.TAG
  52fa25961965b53e73319f5f8ba5a62f789b56ff3a07286ed5fe88771c2674bf  guix-build-f152c1ac66bf/output/dist-archive/bitcoin-f152c1ac66bf.tar.gz
  069dfc72b83527722552d12db86f3f7046be9a85d0ccc5168c71af0d38dbc9a9  guix-build-f152c1ac66bf/output/powerpc64-linux-gnu/bitcoin-f152c1ac66bf-powerpc64-linux-gnu-debug.tar.gz
  dba47d56dccdd4183762f888ab2e64bf8c074a6873dcf6dac663f88633932926  guix-build-f152c1ac66bf/output/powerpc64-linux-gnu/bitcoin-f152c1ac66bf-powerpc64-linux-gnu.tar.gz
  53db9e6b78fa13e0753cab4a35da5e66156c54485020c6c49b1cd1ab406e978b  guix-build-f152c1ac66bf/output/powerpc64-linux-gnu/inputs.SHA256SUMS
  e43e2c631ed0dd587a52705b36e5e69e9e622d493eb6741d438976197a1416f2  guix-build-f152c1ac66bf/output/powerpc64le-linux-gnu/bitcoin-f152c1ac66bf-powerpc64le-linux-gnu-debug.tar.gz
  f47f006c68262e3cd30acc355478d4ea056bb1c055bc51c5adab56305c260725  guix-build-f152c1ac66bf/output/powerpc64le-linux-gnu/bitcoin-f152c1ac66bf-powerpc64le-linux-gnu.tar.gz
  53db9e6b78fa13e0753cab4a35da5e66156c54485020c6c49b1cd1ab406e978b  guix-build-f152c1ac66bf/output/powerpc64le-linux-gnu/inputs.SHA256SUMS
  f62805fd8652e28d935da14b0328f62a583be24b5517a5c7f189970bdd3c6eb0  guix-build-f152c1ac66bf/output/riscv64-linux-gnu/bitcoin-f152c1ac66bf-riscv64-linux-gnu-debug.tar.gz
  db16cbddfc790798af8617213cc726002545f05cfb90ec00e462ba5d3aca10b1  guix-build-f152c1ac66bf/output/riscv64-linux-gnu/bitcoin-f152c1ac66bf-riscv64-linux-gnu.tar.gz
  53db9e6b78fa13e0753cab4a35da5e66156c54485020c6c49b1cd1ab406e978b  guix-build-f152c1ac66bf/output/riscv64-linux-gnu/inputs.SHA256SUMS
  2c1afbc6ea44e5947ffcbdf031233f03f7a63b93ca08ddfec2c45c661c1666bc  guix-build-f152c1ac66bf/output/x86_64-apple-darwin18/bitcoin-f152c1ac66bf-osx-unsigned.dmg
  65cff5a1bc7eb411b1bb26eb407c2a944e5bf24b08cfcd7a9eeea47924106ac8  guix-build-f152c1ac66bf/output/x86_64-apple-darwin18/bitcoin-f152c1ac66bf-osx-unsigned.tar.gz
  98a5c002aed8a35912853cca5e5ffd7afc91eb839b81ca8bc73ddf010839e3ac  guix-build-f152c1ac66bf/output/x86_64-apple-darwin18/bitcoin-f152c1ac66bf-osx64.tar.gz
  53db9e6b78fa13e0753cab4a35da5e66156c54485020c6c49b1cd1ab406e978b  guix-build-f152c1ac66bf/output/x86_64-apple-darwin18/inputs.SHA256SUMS
  84e3188d369aae01a459b477e1935a9466338bb9ea6d4beb93675275a5ac62fd  guix-build-f152c1ac66bf/output/x86_64-linux-gnu/bitcoin-f152c1ac66bf-x86_64-linux-gnu-debug.tar.gz
  ea3f4d928f82ea3d1079be3d4e020349e9d412c621149656ea409a61de906c4c  guix-build-f152c1ac66bf/output/x86_64-linux-gnu/bitcoin-f152c1ac66bf-x86_64-linux-gnu.tar.gz
  53db9e6b78fa13e0753cab4a35da5e66156c54485020c6c49b1cd1ab406e978b  guix-build-f152c1ac66bf/output/x86_64-linux-gnu/inputs.SHA256SUMS
  6dc14c4e1d0b353b865a9f807dafe7ec56e829a8bc104a5ac6ef331bdc9bc726  guix-build-f152c1ac66bf/output/x86_64-w64-mingw32/bitcoin-f152c1ac66bf-win-unsigned.tar.gz
  bd382152587c2dc5816d615d71e36df80f54eac5b4913569148e44117b80517c  guix-build-f152c1ac66bf/output/x86_64-w64-mingw32/bitcoin-f152c1ac66bf-win64-debug.zip
  d2f38b52ea54e913ccadbda6c264a258ca9a55b40a8af96ab8123e8311170aef  guix-build-f152c1ac66bf/output/x86_64-w64-mingw32/bitcoin-f152c1ac66bf-win64-setup-unsigned.exe
  8846b6edcdb0b3c29bdbab08b3582ee13b4877724bf3811246360b14b73ae420  guix-build-f152c1ac66bf/output/x86_64-w64-mingw32/bitcoin-f152c1ac66bf-win64.zip
  53db9e6b78fa13e0753cab4a35da5e66156c54485020c6c49b1cd1ab406e978b  guix-build-f152c1ac66bf/output/x86_64-w64-mingw32/inputs.SHA256SUMS
  ```

  Gitian builds:
  ```bash
  # macOS:
  19401d11d0eda5cdcbab8c1353f7110963288e5223fd95d8cc3380107b66a7e4  bitcoin-f152c1ac66bf-osx-unsigned.dmg
  3eb2383c5af734a86eaf1895f261c1ba5fddc130d9682857eff08fa7d0599e93  bitcoin-f152c1ac66bf-osx-unsigned.tar.gz
  c2572b6f17613a380cf95417ed6a533d8f75fb1418428e234cb90cc0d3d5a655  bitcoin-f152c1ac66bf-osx64.tar.gz
  52fa25961965b53e73319f5f8ba5a62f789b56ff3a07286ed5fe88771c2674bf  src/bitcoin-f152c1ac66bf.tar.gz
  4bcf84076345c61736c63f33e6f9db57b626030c417c2a1b668752d5f87dab22  bitcoin-core-osx-22-res.yml

  # Windows:
  5857fda233fc9fdb04391bd1718522b774978d093912650d4dc6e49b70dde40b  bitcoin-f152c1ac66bf-win-unsigned.tar.gz
  beff745cde9f19d3d619c3c360a9eb37dbe94169cbc968ac7958e80521584787  bitcoin-f152c1ac66bf-win64-debug.zip
  e92010f76d8b286e291c4420349018029e72013ae8bf5b98eccfbf9f856a1490  bitcoin-f152c1ac66bf-win64-setup-unsigned.exe
  46c38498fb16e5353de24caffd11d00b23162ec92f126de57888b4f92f375d79  bitcoin-f152c1ac66bf-win64.zip
  52fa25961965b53e73319f5f8ba5a62f789b56ff3a07286ed5fe88771c2674bf  src/bitcoin-f152c1ac66bf.tar.gz
  851ebc1f3028ec421d733a15acf7514474a44837b75e2f94c1f80ab383b1a364  bitcoin-core-win-22-res.yml

  # Linux:
  4270014b016a309b6ccff39cf87b90f3b5a36a10eab5d2c41697b12b9eb5e63e  bitcoin-f152c1ac66bf-aarch64-linux-gnu-debug.tar.gz
  f226aaeb9cf7786fa5f4dc379611c8b1b3b580df503f79905158d0e2271c3862  bitcoin-f152c1ac66bf-aarch64-linux-gnu.tar.gz
  4cd6208dc30c15b71d80d9cd59d367aba676934609d59581c8f418f9e864994d  bitcoin-f152c1ac66bf-arm-linux-gnueabihf-debug.tar.gz
  21746b2bbf4fd6778ea0357271f569975029667dea2ad0000abb6751eeba8071  bitcoin-f152c1ac66bf-arm-linux-gnueabihf.tar.gz
  d73e6b2a779061037eaa3174615a7e5bb6082056ee4dc13de4026cc3ad21f3c5  bitcoin-f152c1ac66bf-powerpc64-linux-gnu-debug.tar.gz
  e6c5876dcdd30b8936b957afc8adb9341c64a1201ba8c4285f5f76bc37689c7c  bitcoin-f152c1ac66bf-powerpc64-linux-gnu.tar.gz
  fc0270f7c220519e91ecd27c37df7ec130e16db8508e51b52eb88eae1f0d05d2  bitcoin-f152c1ac66bf-powerpc64le-linux-gnu-debug.tar.gz
  3729a36717f704a6e30a0368a68d2356ec9af240b706a7a8c117f7ebcc5ebbca  bitcoin-f152c1ac66bf-powerpc64le-linux-gnu.tar.gz
  b661fc47dbf4a56cecfe02abfff78644524cd6d94aac51a38d83a4ba96a21b6e  bitcoin-f152c1ac66bf-riscv64-linux-gnu-debug.tar.gz
  8934ae4727e7908f626d2392877cad153696c6d8e832a9dbc0960e090f633ab4  bitcoin-f152c1ac66bf-riscv64-linux-gnu.tar.gz
  cc8511b71c89575f15cfbb360c18c0af298869fd4e8c4a27ef2c04b6bc0f0703  bitcoin-f152c1ac66bf-x86_64-linux-gnu-debug.tar.gz
  1cfb8cf750ca7af47cbab00d8eaee336fb11c22756a62b26b5c9a1263b5b0cd4  bitcoin-f152c1ac66bf-x86_64-linux-gnu.tar.gz
  52fa25961965b53e73319f5f8ba5a62f789b56ff3a07286ed5fe88771c2674bf  src/bitcoin-f152c1ac66bf.tar.gz
  3b5053c7392a1a6264f3d192136e50fc9db969834d9d3643d860a3f0e2f79535  bitcoin-core-linux-22-res.yml
  ```

ACKs for top commit:
  practicalswift:
    ~~cr ACK f152c1ac66bfe5c77d947d5c99ce5da3a88797fa: patch looks correct and this should resolve the OSS-Fuzz issues~~ ACK temporarily redacted while awaiting non-determinism fix
  MarcoFalke:
    Approach ACK f152c1ac66bfe5c77d947d5c99ce5da3a88797fa
  hebasto:
    ~ACK f152c1ac66bfe5c77d947d5c99ce5da3a88797fa~ [retracted due to non-reproducible builds](https://github.com/bitcoin/bitcoin/pull/21991#issuecomment-844005749)

Tree-SHA512: 43253131f6d7fadfcda541e00c13d5e2fd395555563bcc42218ba4657d8f94b09760cbad6b8f0a17e426eed817624b745464d2733f7d5ac00fbb92a6ffadab84

1 files changed, 1 insertions, 1 deletions

diff --git a/doc/dependencies.md b/doc/dependencies.md
index 22161856ce..854ff7f52d 100644
--- a/doc/dependencies.md
+++ b/doc/dependencies.md
@@ -13,7 +13,7 @@ These are the dependencies currently used by Bitcoin Core. You can find instruct
 | FreeType | [2.7.1](https://download.savannah.gnu.org/releases/freetype) |  | No |  | [Yes](https://github.com/bitcoin/bitcoin/blob/master/depends/packages/qt.mk) (Android only) |
 | GCC |  | [7+](https://gcc.gnu.org/) (C++17 support) |  |  |  |
 | HarfBuzz-NG |  |  |  |  | [Yes](https://github.com/bitcoin/bitcoin/blob/master/depends/packages/qt.mk) |
-| libevent | [2.1.11-stable](https://github.com/libevent/libevent/releases) | [2.0.21](https://github.com/bitcoin/bitcoin/pull/18676) | No |  |  |
+| libevent | [2.1.12-stable](https://github.com/libevent/libevent/releases) | [2.0.21](https://github.com/bitcoin/bitcoin/pull/18676) | No |  |  |
 | libnatpmp | git commit [4536032...](https://github.com/miniupnp/libnatpmp/tree/4536032ae32268a45c073a4d5e91bbab4534773a) |  | No |  |  |
 | libpng |  |  |  |  | [Yes](https://github.com/bitcoin/bitcoin/blob/master/depends/packages/qt.mk) |
 | librsvg | |  |  |  |  |