🛡️ CVE-2023-5548 — extra-packages-for-enterprise-linux

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity low, availability none.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

• Attack vector: Local — a local account, shell or session on the host is needed.
• Attack complexity: Low — the attack works reliably, with no preparation.
• Privileges required: None — an unauthenticated stranger can try it.
• User interaction: Required — someone has to click, open or visit something.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: None.
• Integrity impact: Low — limited, and the attacker does not choose what is affected.
• Availability impact: None.

Weakness class

CVE-2023-5548 is classified as CWE-349: Acceptance of Extraneous Untrusted Data With Trusted Data. The product, when processing trusted data, accepts any untrusted data that is also included with the trusted data, treating the untrusted data as if it were trusted.

Affected software

CVE-2023-5548 is recorded against 4 packages.

• extra-packages-for-enterprise-linux
• fedora
• moodle
• moodle/moodle (fixed in 4.3.0-rc2)

Timeline and source

Published on 9 November 2023 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

git.moodle.org
bugzilla.redhat.com
moodle.org
git.moodle.org
bugzilla.redhat.com
moodle.org

Other advisories for this package

extra-packages-for-enterprise-linux has other advisories on record. If you are patching this one, these are worth checking on the same host:

• CVE-2024-0232 (4.7 Medium, published 16 Jan 2024)
• CVE-2023-6395 (6.7 Medium, published 16 Jan 2024)
• CVE-2023-51766 (5.3 Medium, published 24 Dec 2023)
• CVE-2023-4256 (5.5 Medium, published 21 Dec 2023)
• CVE-2023-4255 (5.5 Medium, published 21 Dec 2023)
• CVE-2023-5764 (7.1 High, published 12 Dec 2023)
• CVE-2023-5341 (6.2 Medium, published 19 Nov 2023)
• CVE-2023-5545 (3.3 Low, published 9 Nov 2023)

Same weakness in other software

These advisories are the same class of weakness (CWE-349: Acceptance of Extraneous Untrusted Data With Trusted Data) in other software:

• CVE-2026-50252 (9.3 Critical, published 22 Jul 2026)
• CVE-2024-53848 (7.1 High, published 7 Jul 2026)
• CVE-2026-33612 (7.5 High, published 25 Jun 2026)
• CVE-2026-41120 (9.8 Critical, published 25 Jun 2026)
• CVE-2026-45602 (9.1 Critical, published 9 Jun 2026)
• CVE-2026-42960 (10.0 Critical, published 20 May 2026)
• CVE-2026-46342 (2.0 Low, published 19 May 2026)
• CVE-2026-44572 (3.7 Low, published 13 May 2026)

CVE-2023-5548 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Affected Packages

References