Linux · 
Debian · Security advisory · September 10, 2026
Debian · Security advisory · September 10, 2026DEBIAN-CVE-2026-42007: dovecot security update
DEBIAN-CVE-2026-42007, released September 10, 2026, fixes 1 CVE in dovecot. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
1
None rated Critical
Exploited
0
None reported
Highest CVSS
9.1
Base score, 0 to 10
Highest EPSS
0.0035
28th percentile
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| dovecot | Debian 12.15 (bookworm) | 1:2.3.19.1+dfsg1-2.1+deb12u7 |
| dovecot | Debian 13.5 (trixie) | 1:2.4.1+dfsg1-6+deb13u7 |
| dovecot | Debian 14 | 1:2.4.5+dfsg1-1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-42007 | dovecot: An attacker that has valid credentials can use a Sieve script with the editheader extension to trigger a use-after-fr... | 9.1 | 0.0035 | None reported |
Showing 1 to 1 of 1
1
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.