CVE-2012-0843: uzbl: Information disclosure via world-readable cookies storage file

Routine

MEDIUM 5.5WATCHLISTMITIGATEMITIGATE

CVE-2012-0843 is a medium-severity flaw (CVSS 5.5) affecting uzbl, debian linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

uzbl: Information disclosure via world-readable cookies storage file

Why this priority

On your watchlist

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

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 63%)
CISA exploited list	No
Weakness	CWE-200
Published	2019-11-19
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: debian · uzbl

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

Am I affected?

Timeline

2019-11-19 16:15 UTCPublished CVE record published
2026-06-16 23:38 UTCUpdated Record last modified

uzbl uzbl MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

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

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

debian debian linux MITIGATE

Affected: 8.0 · 9.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.0

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.

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-2012-0843?

uzbl: mitigate or apply the listed mitigation; debian linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2012-0843 being exploited?

CVE-2012-0843 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-2012-0843 affect?

CVE-2012-0843 affects uzbl, debian linux. Severity is medium (CVSS 5.5). uzbl: Information disclosure via world-readable cookies storage file

How urgent is CVE-2012-0843?

Priority 34/100. On your watchlist

Software pages

Debian vulnerabilities

References

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