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TI-2019-05319 Aliases CVE-2019-7524GHSA-64hp-rrrv-2xwx

In Dovecot before 2.2.36.3 and 2.3.x before 2.3.5.1, a local attacker can cause a buffer…

Priority MEDIUM 40CWE-119Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 4 fixed, 2 without a fix

Attack profile from CVSS 3.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

In Dovecot before 2.2.36.3 and 2.3.x before 2.3.5.1, a local attacker can cause a buffer overflow in the indexer-worker process, which can be used to elevate to root. This occurs because of missing checks in the fts and pop3-uidl components.

Why it matters now

EPSS 0.01178 67th percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 4 fixed, 2 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 9

CPEVersionsRoleVendor
cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*before 2.2.36.3; 2.3.0 to before 2.3.5.1VulnerableThe Dovecot Project
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*16.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*18.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*18.10VulnerableCanonical
cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*15.0VulnerableopenSUSE
cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*42.3VulnerableopenSUSE
  • cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:* Versions before 2.2.36.3; 2.3.0 to before 2.3.5.1 Vulnerable ·The Dovecot Project
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* Versions 18.10 Vulnerable ·Canonical
  • cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* Versions 15.0 Vulnerable ·openSUSE
  • cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:* Versions 42.3 Vulnerable ·openSUSE

Remediation

Red Hat 1 advisory

  • RHSA-2020:1062 Released 2020-03-31 · Red Hat rating Moderate
    dovecot security and bug fix update
    • Red Hat Enterprise Linux Server (v. 7) dovecot-1:2.2.36-6.el7, dovecot-1:2.2.36-6.el7.ppc, dovecot-mysql-1:2.2.36-6.el7 +2
    • Red Hat Enterprise Linux Server Optional (v. 7) dovecot-devel-1:2.2.36-6.el7
    • Red Hat Enterprise Linux Workstation (v. 7) dovecot-1:2.2.36-6.el7, dovecot-mysql-1:2.2.36-6.el7, dovecot-pgsql-1:2.2.36-6.el7 +1
    • Red Hat Enterprise Linux Workstation Optional (v. 7) dovecot-devel-1:2.2.36-6.el7

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2020:1062
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2020:1062
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2020:1062
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2020:1062
Not affected: 1 product
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-7524
  2. 2026-10-03 Alias added: GHSA-64hp-rrrv-2xwx

References

Advisory 12

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences