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CVE

DEBIAN-CVE-2026-27858

Attacker can send a specifically crafted message before authentication that causes managesieve to allocate large amount of memory. Attacker can force managesieve-login to be unavailable by repeatedl...
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CVE

DEBIAN-CVE-2026-27858

Attacker can send a specifically crafted message before authentication that causes managesieve to allocate large amount of memory. Attacker can force managesieve-login to be unavailable by repeatedl...

Attacker can send a specifically crafted message before authentication that causes managesieve to allocate large amount of memory.

  Attacker can force managesieve-login to be unavailable by repeatedly crashing the process. Protect access to managesieve protocol, or install fixed version. No publicly available exploits are known.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
-
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
C
H
U
-

Related Resources

No items found.

References

https://security-tracker.debian.org/tracker/CVE-2026-27858

Severity

7.5

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
7.5
EPSS Probability
0%
EPSS Percentile
0%
Introduced Version
0
Fix Available
1:2.3.13+dfsg1-2+deb11u3,1:2.3.19.1+dfsg1-2.1+deb12u2,1:2.4.1+dfsg1-6+deb13u4,1:2.4.3+dfsg1-1

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