CVE-2008-3746: neon 0.28.0 through 0.28.2 allows remote servers to cause a denial of service (NULL pointer dereference and cr

Routine

MEDIUM 4.3DOWNGRADE

CVE-2008-3746 is a medium-severity flaw (CVSS 4.3) affecting neon. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

neon 0.28.0 through 0.28.2 allows remote servers to cause a denial of service (NULL pointer dereference and crash) via vectors related to Digest authentication, Digest domain parameter support, and the parse_domain function.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	2.3% (top 17%)
CISA exploited list	No
Published	2008-08-27
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: webdav

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

Am I affected?

Timeline

2008-08-27 15:21 UTCPublished CVE record published
2026-06-16 22:56 UTCUpdated Record last modified

webdav neon DOWNGRADE

Affected: 0.28.0 · 0.28.1 · 0.28.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.28.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.28.0 (Debian / Ubuntu)

apt-cache madison neon sudo apt install neon=<VERSION_BEFORE_0.28.0> sudo apt-mark hold neon

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

dnf --showduplicates list neon sudo dnf downgrade neon-<VERSION_BEFORE_0.28.0> sudo dnf versionlock add neon

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.

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-2008-3746?

neon: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2008-3746 being exploited?

CVE-2008-3746 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-2008-3746 affect?

CVE-2008-3746 affects neon. Severity is medium (CVSS 4.3). neon 0.28.0 through 0.28.2 allows remote servers to cause a denial of service (NULL pointer dereference and crash) via vectors related to Digest authentication, Digest domain parameter support, and the parse_domain function.

How urgent is CVE-2008-3746?

Priority 36/100. No elevated risk signals yet.

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References

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