[RHSA-2021:3076] go-toolset:rhel8 security, bug fix, and enhancement update

Go Toolset provides the Go programming language tools and libraries. Go is alternatively known as golang.

The following packages have been upgraded to a later upstream version: golang (1.15.14). (BZ#1982287)

Security Fix(es):

• golang: encoding/xml: infinite loop when using xml.NewTokenDecoder with a custom TokenReader (CVE-2021-27918)

• golang: net/http: panic in ReadRequest and ReadResponse when reading a very large header (CVE-2021-31525)

• golang: archive/zip: malformed archive may cause panic or memory exhaustion (CVE-2021-33196)

• golang: crypto/tls: certificate of wrong type is causing TLS client to panic (CVE-2021-34558)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es):

• FIPS mode AES CBC CryptBlocks incorrectly re-initializes IV in file crypto/internal/boring/aes.go (BZ#1978567)

• FIPS mode AES CBC Decrypter produces incorrect result (BZ#1983976)