Gentoo: GLSA-202107-08: PostSRSd: Denial of service
Summary
Multiple vulnerabilities have been discovered in PostSRSd. Please review the CVE identifiers referenced below for details.
Resolution
All postsrsd users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-filter/postsrsd-1.11"
References
[ 1 ] CVE-2020-35573 https://nvd.nist.gov/vuln/detail/CVE-2020-35573 [ 2 ] CVE-2021-35525 https://nvd.nist.gov/vuln/detail/CVE-2021-35525
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202107-08
Concerns
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
Background
PostSRSd is a Postfix sender rewriting scheme daemon
Affected Packages
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 mail-filter/postsrsd < 1.11 >= 1.11
Impact
===== An attacker could cause a possible Denial of Service condition.
Workaround
There is no known workaround at this time.