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Debian dsa-6302 : python3-starlette - security update

high Nessus Plugin ID 317342

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Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 12 / 13 host has a package installed that is affected by multiple vulnerabilities as referenced in the dsa-6302 advisory.

 - ------------------------------------------------------------------------- Debian Security Advisory DSA-6302-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff May 27, 2026 https://www.debian.org/security/faq
 - -------------------------------------------------------------------------

 Package : starlette CVE ID : CVE-2026-48710

 It was discovered that missing validation of Host: headers in the Starlette ASGI framework could result in a bypass of security checks.

 For the oldstable distribution (bookworm), this problem has been fixed in version 0.26.1-1+deb12u1. This update also resolves three additional security issues (CVE-2023-29159, CVE-2024-47874 and CVE-2025-54121).

 For the stable distribution (trixie), this problem has been fixed in version 0.46.1-3+deb13u2.

 We recommend that you upgrade your starlette packages.

 For the detailed security status of starlette please refer to its security tracker page at:
 https://security-tracker.debian.org/tracker/starlette

 Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/

 Mailing list: [email protected]

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade the python3-starlette packages.

See Also

https://security-tracker.debian.org/tracker/source-package/starlette

https://security-tracker.debian.org/tracker/CVE-2023-29159

https://security-tracker.debian.org/tracker/CVE-2024-47874

https://security-tracker.debian.org/tracker/CVE-2025-54121

https://security-tracker.debian.org/tracker/CVE-2026-48710

https://packages.debian.org/source/bookworm/starlette

https://packages.debian.org/source/trixie/starlette

Plugin Details

Severity: High

ID: 317342

File Name: debian_DSA-6302.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 5/28/2026

Updated: 5/28/2026

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.0

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N

CVSS Score Source: CVE-2023-29159

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 7.7

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2024-47874

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:python3-starlette, cpe:/o:debian:debian_linux:12.0, cpe:/o:debian:debian_linux:13.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/27/2026

Vulnerability Publication Date: 5/17/2023

Reference Information

CVE: CVE-2023-29159, CVE-2024-47874, CVE-2025-54121, CVE-2026-48710