[Bug 2125752] Re: OpenSSL package in Ubuntu 24.04 needs updating

[Simon Chopin]

The cherry-picking of Security patches is a pretty standard practice
for stable distributions.
Changing the `openssl` CLI tool to output `+patches` doesn't help
much, it doesn't tell you *which* patches there are, and risks
breaking scripts that actually parse that output. If you want that
information, there are standardized way of getting it, e.g. on
security.ubuntu.com, or via the package changelog, which will tell you
all of the CVEs that have been fixed in each specific version of the
package (`apt changelog openssl`).

> To change APIs on a patch level would be very unusual for
any software.
API stability is only one aspect of stability. Ubuntu and the OpenSSL
project have different priorities and timetables, which means their
criteria for what is acceptable on bugfix releases does not always
align with ours. We err on the side of caution, and normally only ship
what we're reasonably confident won't break our existing users'
workloads.

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https://bugs.launchpad.net/bugs/2125752

Title:
  OpenSSL package in Ubuntu 24.04 needs updating

Status in openssl package in Ubuntu:
  New

Bug description:
  Hi,

  Ubuntu 24.04 is currently set to use OpenSSL 3.0.13 which is now quite
  a bit behind the latest patch level on that OpenSSL branch, namely
  3.0.17.  There are a number of fixes between 3.0.13 and 3.0.17 which
  are listed here:

  https://github.com/openssl/openssl/blob/openssl-3.0/CHANGES.md#openssl-30

  To highlight one example vulnerability, which looks potentially
  serious:

  Changes between 3.0.14 and 3.0.15 [3 Sep 2024]
  "Applications performing certificate name checks (e.g., TLS clients checking server certificates) may attempt to read an invalid memory address when comparing the expected name with an other Name subject alternative name of an X.509 certificate. This may result in an exception that terminates the application program."

  Thanks!
  David

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