CVE-2005-0699: Multiple buffer overflows in the dissect_a11_radius function in the CDMA A11 (3G-A11) dissector (packet-3g-a11

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HIGH 7.5WATCHLISTDOWNGRADEMITIGATEMITIGATE

CVE-2005-0699 is a high-severity flaw (CVSS 7.5) affecting ethereal, linux, alt linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple buffer overflows in the dissect_a11_radius function in the CDMA A11 (3G-A11) dissector (packet-3g-a11.c) for Ethereal 0.10.9 and earlier allow remote attackers to execute arbitrary code via RADIUS authentication packets with large length values.

Why this priority

High severity
EPSS top 6%: very likely to be exploited
Public exploit reference
On your watchlist

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	6.5% (top 6%)
CISA exploited list	No
Published	2005-03-08
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: altlinux · conectiva · ethereal group · redhat

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

Am I affected?

Timeline

2005-03-08 05:00 UTCPublished CVE record published
2026-06-16 22:11 UTCUpdated Record last modified

ethereal group ethereal DOWNGRADE

Affected: 0.10.3 · 0.10.4 · 0.10.5 · 0.10.6 · 0.10.7 · 0.10.8 · 0.10.9

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.10.3

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.10.3 (Debian / Ubuntu)

apt-cache madison ethereal sudo apt install ethereal=<VERSION_BEFORE_0.10.3> sudo apt-mark hold ethereal

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list ethereal sudo dnf downgrade ethereal-<VERSION_BEFORE_0.10.3> sudo dnf versionlock add ethereal

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

conectiva linux MITIGATE

Affected: 9.0 · 10.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 9.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

altlinux alt linux MITIGATE

Affected: compact_2.3 · junior_2.3

Fixed in: no fixed release known

Safe to downgrade to: a release before compact_2.3

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

redhat enterprise linux MITIGATE

Affected: 2.1 · 3.0 · 4.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.1

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

redhat enterprise linux desktop MITIGATE

Affected: 3.0 · 4.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

redhat linux advanced workstation MITIGATE

Affected: 2.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.1

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2005-0699?

ethereal: downgrade or apply the listed mitigation; linux: mitigate or apply the listed mitigation; alt linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2005-0699 being exploited?

CVE-2005-0699 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-2005-0699 affect?

CVE-2005-0699 affects ethereal, linux, alt linux. Severity is high (CVSS 7.5). Multiple buffer overflows in the dissect_a11_radius function in the CDMA A11 (3G-A11) dissector (packet-3g-a11.c) for Ethereal 0.10.9 and earlier allow remote attackers to execute arbitrary code via RADIUS authentication packets with large

How urgent is CVE-2005-0699?

Priority 60/100. High severity; EPSS top 6%: very likely to be exploited; Public exploit reference; On your watchlist

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References

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