Every CVESearch/Get API key

SUSE-SU-2021:0194-1

Security update for stunnel

No scoreFix available

SUSE-SU-2021:0194-1 is a vulnerability with no CVSS score yet in stunnel, published January 22, 2021. No source lists public exploit code. Fixed in stunnel 5.57-3.5.1.

What does this mean?
Severity
UnratedNo CVSS score yet
Exploit chance
UnscoredNo EPSS score yet
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
5.57-3.5.1stunnel

Description

This update for stunnel fixes the following issues:

Security issue fixed:

  • The 'redirect' option was fixed to properly handle 'verifyChain = yes' (bsc#1177580).

Non-security issues fixed:

  • Fix startup problem of the stunnel daemon (bsc#1178533)

  • update to 5.57:

    • Security bugfixes
    • New features
      • New securityLevel configuration file option.
      • Support for modern PostgreSQL clients
      • TLS 1.3 configuration updated for better compatibility.
    • Bugfixes
      • Fixed a transfer() loop bug.
      • Fixed memory leaks on configuration reloading errors.
      • DH/ECDH initialization restored for client sections.
      • Delay startup with systemd until network is online.
      • A number of testing framework fixes and improvements.
  • update to 5.56:

    • Various text files converted to Markdown format.
    • Support for realpath(3) implementations incompatible with POSIX.1-2008, such as 4.4BSD or Solaris.
    • Support for engines without PRNG seeding methods (thx to Petr Mikhalitsyn).
    • Retry unsuccessful port binding on configuration file reload.
    • Thread safety fixes in SSL_SESSION object handling.
    • Terminate clients on exit in the FORK threading model.
  • Fixup stunnel.conf handling:

    • Remove old static openSUSE provided stunnel.conf.
    • Use upstream stunnel.conf and tailor it for openSUSE using sed.
    • Don't show README.openSUSE when installing.
  • enable /etc/stunnel/conf.d

  • re-enable openssl.cnf

Affected packages

Affected packages
PackageAffectedFixed
stunnel
SUSE:Linux Enterprise Module for Server Applications 15 SP2
before 5.57-3.5.1
5.57-3.5.1

What each source reports

OSVNo score

Security update for stunnel

This update for stunnel fixes the following issues:

Security issue fixed:

  • The 'redirect' option was fixed to properly handle 'verifyChain = yes' (bsc#1177580).

Non-security issues fixed:

  • Fix startup problem of the stunnel daemon (bsc#1178533)

  • update to 5.57:

    • Security bugfixes
    • New features
      • New securityLevel configuration file option.
      • Support for modern PostgreSQL clients
      • TLS 1.3 configuration updated for better compatibility.
    • Bugfixes
      • Fixed a transfer() loop bug.
      • Fixed memory leaks on configuration reloading errors.
      • DH/ECDH initialization restored for client sections.
      • Delay startup with systemd until network is online.
      • A number of testing framework fixes and improvements.
  • update to 5.56:

    • Various text files converted to Markdown format.
    • Support for realpath(3) implementations incompatible with POSIX.1-2008, such as 4.4BSD or Solaris.
    • Support for engines without PRNG seeding methods (thx to Petr Mikhalitsyn).
    • Retry unsuccessful port binding on configuration file reload.
    • Thread safety fixes in SSL_SESSION object handling.
    • Terminate clients on exit in the FORK threading model.
  • Fixup stunnel.conf handling:

    • Remove old static openSUSE provided stunnel.conf.
    • Use upstream stunnel.conf and tailor it for openSUSE using sed.
    • Don't show README.openSUSE when installing.
  • enable /etc/stunnel/conf.d

  • re-enable openssl.cnf

Record
SUSE-SU-2021:0194-1
Updated
2026-11-02

History

History
RecordedChangedSources
first indexedOSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

MoveEnter Open