UnratedFix available

libauthen-sasl-perl vulnerability

Type: advisorySource: OSV1 source record

It was discovered that Authen::SASL, a Perl authentication library, did not properly validate login attempts. An attacker could possibly use this issue to gain unauthorized access.

Announced 30 Sept 2026Group revision 1

Original source ↗

USN-8858-1

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:USN-8858-1

libauthen-sasl-perl

Source reference: /affected/0/package/name

Affected versions: 2.1500-1
Source reference: /affected/0/versions
Fixed versions: 2.1500-1ubuntu0.1~esm1
Source reference: /affected/0/ranges
Prerequisites: Not stated in this record

libauthen-sasl-perl

Source reference: /affected/1/package/name

Affected versions: 2.1600-1
Source reference: /affected/1/versions
Fixed versions: 2.1600-1ubuntu0.16.04.1~esm1
Source reference: /affected/1/ranges
Prerequisites: Not stated in this record

libauthen-sasl-perl

Source reference: /affected/2/package/name

Affected versions: 2.1600-1
Source reference: /affected/2/versions
Fixed versions: 2.1600-1ubuntu0.18.04.1~esm1
Source reference: /affected/2/ranges
Prerequisites: Not stated in this record

libauthen-sasl-perl

Source reference: /affected/3/package/name

Affected versions: 2.1600-1
Source reference: /affected/3/versions
Fixed versions: 2.1600-1ubuntu0.20.04.1~esm1
Source reference: /affected/3/ranges
Prerequisites: Not stated in this record

libauthen-sasl-perl

Source reference: /affected/4/package/name

Affected versions: 2.1600-1.1
Source reference: /affected/4/versions
Fixed versions: 2.1600-1.1ubuntu0.1
Source reference: /affected/4/ranges
Prerequisites: Not stated in this record

libauthen-sasl-perl

Source reference: /affected/5/package/name

Affected versions: 2.1600-3
Source reference: /affected/5/versions
2.1700-1
Source reference: /affected/5/versions
Fixed versions: 2.1700-1ubuntu0.1
Source reference: /affected/5/ranges
Prerequisites: Not stated in this record

libauthen-sasl-perl

Source reference: /affected/6/package/name

Affected versions: 2.1700-1
Source reference: /affected/6/versions
2.2000-1
Source reference: /affected/6/versions
Fixed versions: 2.2000-1ubuntu0.1
Source reference: /affected/6/ranges
Prerequisites: Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

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      "ecosystem": "Ubuntu:Pro:14.04:LTS"
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    "versions": [
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    "database_specific": {
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  }
]

Publisher severity

No explicit severity was provided.

Event: #51979 · Revision 1
Added to Heist Feed: Sun, 25 Oct 2026 14:36:56 GMT
Publisher date: Wed, 30 Sep 2026 16:40:43 GMT

Read the original announcement

Revision history

25 Oct 2026USN-8858-1 · Revision 1Source updated