CVE-2006-2023: Integer overflow in the RTSP_msg_len function in rtsp/RTSP_msg_len.c in Fenice 1.10 and earlier allows remote

Q: How do I fix CVE-2006-2023?

fenice: upgrade to newer than 1.10. Exact commands for each OS are on this page.

Q: Is CVE-2006-2023 being exploited?

CVE-2006-2023 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2006-2023 affect?

CVE-2006-2023 affects fenice. Severity is medium (CVSS 5.0). Integer overflow in the RTSP_msg_len function in rtsp/RTSP_msg_len.c in Fenice 1.10 and earlier allows remote attackers to cause a denial of service (application crash) via a large HTTP Content-Length value, which leads to an invalid memory

Q: How urgent is CVE-2006-2023?

Priority 43/100. Public exploit reference

This month

MEDIUM 5.0UPGRADE

CVE-2006-2023 is a medium-severity flaw (CVSS 5.0) affecting fenice. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Integer overflow in the RTSP_msg_len function in rtsp/RTSP_msg_len.c in Fenice 1.10 and earlier allows remote attackers to cause a denial of service (application crash) via a large HTTP Content-Length value, which leads to an invalid memory access.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	2.4% (top 16%)
CISA exploited list	No
Published	2006-04-25
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: ls3

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2006-04-25 20:06 UTCPublished CVE record published
2026-06-16 22:24 UTCUpdated Record last modified

ls3 fenice UPGRADE

Affected: <= 1.10

Fixed in: newer than 1.10

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy fenice || rpm -q fenice || fenice --version

2. UPGRADE to newer than 1.10 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade fenice

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade fenice

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2006-2023?

fenice: upgrade to newer than 1.10. Exact commands for each OS are on this page.

Is CVE-2006-2023 being exploited?

CVE-2006-2023 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2006-2023 affect?

CVE-2006-2023 affects fenice. Severity is medium (CVSS 5.0). Integer overflow in the RTSP_msg_len function in rtsp/RTSP_msg_len.c in Fenice 1.10 and earlier allows remote attackers to cause a denial of service (application crash) via a large HTTP Content-Length value, which leads to an invalid memory

How urgent is CVE-2006-2023?

Priority 43/100. Public exploit reference

Related CVEs

CVE-2006-2022 HIGH 7.5 UPGRADE Buffer overflow in the parse_url function in the RTSP module (rtsp/parse_url.c) in Fenice 1.10 and earlier all

References

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