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[BUG] Linux x86_64 binary requires glibc 2.35, breaks on AL2023 distro #737
Describe the bug
The codecovcli_linux binary at https://cli.codecov.io/latest/linux/codecov (and the same path for v11.3.0) fails to run on any host with glibc < 2.35, including: Amazon Linux 2023 (glibc 2.34, LTS through 2028-06-30)
This was working before the 11.3.0 release (11.2.8 is working).
I'm seeing this error:
[PYI-*:ERROR] Failed to load Python shared library
'/tmp/_MEI*/libpython3.11.so.1.0':
/lib64/libm.so.6: version `GLIBC_2.35' not found
==> Failed to run upload-coverage
This affects any GHA workflow using codecov/codecov-action with default settings, when the runner does not have glibc 2.35.
To Reproduce
Run the codecov/codecov-action on an AL2023 runner (or any runner without glibc 2.35)
Expected behavior
Coverage is uploaded to Codecov via the codecov-cli.
Regression
This is a regression, the previous 11.2.8 release was working.
Screenshots
n/a: error log
Product Area
coverage upload
Versions
OS: Amazon Linux 2023
Git Host: Github Enterprise
CI/CD: Github Actions
Uploader:codecov-action@v5
Commit and CI link
Provide the commit SHA and CI link. If applicable, provide the entire Codecov output from CI.
Additional context
Add any other context about the problem here.
Activity
cliffchapmanrbx commentedon Jul 8, 2026
Looks like an oversight as a result of #725, the
build.ymlfile called this out explicitly on line 95:thomasrockhu-codecov commentedon Jul 9, 2026
Taking a look, sorry about this
thomasrockhu-codecov commentedon Jul 9, 2026
@enochlo @cliffchapmanrbx are you able to try 11.3.1 and see if that works for you?
enochlo commentedon Jul 9, 2026
11.3.1works, thanks for the fix. Closing.