CVE-2007-0148: Format string vulnerability in OmniGroup OmniWeb 5.5.1 allows remote attackers to cause a denial of service (a

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MEDIUM 6.8DOWNGRADE

CVE-2007-0148 is a medium-severity flaw (CVSS 6.8) affecting omniweb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Format string vulnerability in OmniGroup OmniWeb 5.5.1 allows remote attackers to cause a denial of service (application crash) or execute arbitrary code via format string specifiers in the Javascript alert function.

Why this priority

EPSS top 6%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	6.8 (Medium)
EPSS exploit chance	6.4% (top 6%)
CISA exploited list	No
Published	2007-01-09
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: omnigroup

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

Am I affected?

Timeline

2007-01-09 18:28 UTCPublished CVE record published
2026-06-16 22:35 UTCUpdated Record last modified

omnigroup omniweb DOWNGRADE

Affected: 5.5.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.5.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 5.5.1 (Debian / Ubuntu)

apt-cache madison omniweb sudo apt install omniweb=<VERSION_BEFORE_5.5.1> sudo apt-mark hold omniweb

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

dnf --showduplicates list omniweb sudo dnf downgrade omniweb-<VERSION_BEFORE_5.5.1> sudo dnf versionlock add omniweb

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: OmniWeb 5.5.1 - JavaScript alert() Remote Format String (PoC)

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-2007-0148?

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

Is CVE-2007-0148 being exploited?

CVE-2007-0148 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-2007-0148 affect?

CVE-2007-0148 affects omniweb. Severity is medium (CVSS 6.8). Format string vulnerability in OmniGroup OmniWeb 5.5.1 allows remote attackers to cause a denial of service (application crash) or execute arbitrary code via format string specifiers in the Javascript alert function.

How urgent is CVE-2007-0148?

Priority 52/100. EPSS top 6%: very likely to be exploited; Public exploit reference

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References

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