MGASA-2021-0557: dovecot Mageia
Vulnerability summary
MGASA-2021-0557 is a vulnerability in dovecot Mageia with no CVSS score yet.
Advisory lineage
Upstream 3 · Downstream 0Timeline
- 19-12-2021PublishedVulnerability first disclosed.
- 16-04-2026Last modifiedVulnerability information updated.
Description
Updated dovecot packages fix security vulnerabilities Updated dovecot packages fix security vulnerabilities: The Sieve engine in Dovecot before 2.3.15 allows Uncontrolled Resource Consumption, as demonstrated by a situation with a complex regular expression for the regex extension (CVE-2020-28200). Dovecot before 2.3.15 allows ../ Path Traversal. An attacker with access to the local filesystem can trick OAuth2 authentication into using an HS256 validation key from an attacker-controlled location. This occurs during use of local JWT validation with the posix fs driver (CVE-2021-29157). The submission service in Dovecot before 2.3.15 allows STARTTLS command injection in lib-smtp. Sensitive information can be redirected to an attacker-controlled address (CVE-2021-33515).
CVSS metrics
Risk metrics not yet published.
EPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Mageia1 product
- dovecot< 2.3.17.1-1.1.mga8
1 vendor · 1 product