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CVE-2023-41104

nvd nist
Published: Aug 23, 2023Modified: Jun 17, 2026

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6.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Exploitability: 3.9 / Impact: 2.5
Source: NVD

Description

libvmod-digest before 1.0.3, as used in Varnish Enterprise 6.0.x before 6.0.11r5, has an out-of-bounds memory access during base64 decoding, leading to both authentication bypass and information disclosure; however, the exact attack surface will depend on the particular VCL (Varnish Configuration Language) configuration in use.

Affected (7)

Varnish Software
2 products
Varnish Enterprise
Vmod Digest
Configuration A
7 vulnerable
Vulnerable SoftwareAffected Versions
Varnish Software
Varnish Enterprise
From 6.0.0 to 6.0.11
Varnish Enterprise
Version 6.0.11
Varnish Enterprise
Version 6.0.11 r1
Varnish Enterprise
Version 6.0.11 r2
Varnish Enterprise
Version 6.0.11 r3
Varnish Enterprise
Version 6.0.11 r4
Vmod Digest
Before 1.0.3

Related CWEs

CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (6)

Source: cve@mitre.org
MitigationVendor Advisory
Source: cve@mitre.org
Release Notes
Source: cve@mitre.org
PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
MitigationVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes
Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory

Timeline

No history available yet.