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[release-branch.go1.17] net/http: update bundled golang.org/x/net/http2

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Pull in security fix

    84cba54 http2: cap the size of the server's canonical header cache

Updates #50058
Fixes CVE-2021-44716

Change-Id: Ia89e3d22a173c6cb83f03608d5186fcd08f2956c
Reviewed-on: https://go-review.googlesource.com/c/go/+/370574
Trust: Filippo Valsorda <filippo@golang.org>
Run-TryBot: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Alex Rakoczy <alex@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
This commit is contained in:
Filippo Valsorda 2021-12-09 06:32:14 -05:00 committed by Alex Rakoczy
parent 65633fee16
commit 48d948963c
4 changed files with 13 additions and 5 deletions
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2
src/go.mod
View File

@ -4,7 +4,7 @@ go 1.17
require (
golang.org/x/crypto v0.0.0-20210503195802-e9a32991a82e
golang.org/x/net v0.0.0-20211201233630-85e122b1a9b3
golang.org/x/net v0.0.0-20211209100829-84cba5454caf
)
require (

4
src/go.sum
View File

@ -1,8 +1,8 @@
golang.org/x/crypto v0.0.0-20210503195802-e9a32991a82e h1:8foAy0aoO5GkqCvAEJ4VC4P3zksTg4X4aJCDpZzmgQI=
golang.org/x/crypto v0.0.0-20210503195802-e9a32991a82e/go.mod h1:P+XmwS30IXTQdn5tA2iutPOUgjI07+tq3H3K9MVA1s8=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/net v0.0.0-20211201233630-85e122b1a9b3 h1:0tKANouoxlq5b2OS7rABX92sfG5Dkz24NFtLSu09W3o=
golang.org/x/net v0.0.0-20211201233630-85e122b1a9b3/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
golang.org/x/net v0.0.0-20211209100829-84cba5454caf h1:Chci/BE/+xVqrcWnObL99NS8gtXyJrhHDlygBQrggHM=
golang.org/x/net v0.0.0-20211209100829-84cba5454caf/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210511113859-b0526f3d8744 h1:yhBbb4IRs2HS9PPlAg6DMC6mUOKexJBNsLf4Z+6En1Q=

8
src/net/http/h2_bundle.go
View File

@ -4382,7 +4382,15 @@ func (sc *http2serverConn) canonicalHeader(v string) string {
sc.canonHeader = make(map[string]string)
}
cv = CanonicalHeaderKey(v)
// maxCachedCanonicalHeaders is an arbitrarily-chosen limit on the number of
// entries in the canonHeader cache. This should be larger than the number
// of unique, uncommon header keys likely to be sent by the peer, while not
// so high as to permit unreaasonable memory usage if the peer sends an unbounded
// number of unique header keys.
const maxCachedCanonicalHeaders = 32
if len(sc.canonHeader) < maxCachedCanonicalHeaders {
sc.canonHeader[v] = cv
}
return cv
}

2
src/vendor/modules.txt vendored
View File

@ -8,7 +8,7 @@ golang.org/x/crypto/curve25519
golang.org/x/crypto/hkdf
golang.org/x/crypto/internal/subtle
golang.org/x/crypto/poly1305
# golang.org/x/net v0.0.0-20211201233630-85e122b1a9b3
# golang.org/x/net v0.0.0-20211209100829-84cba5454caf
## explicit; go 1.17
golang.org/x/net/dns/dnsmessage
golang.org/x/net/http/httpguts