CVE-2012-0842: surf: cookie jar has read access from other local user

Q: How do I fix CVE-2012-0842?

surf: upgrade to 0.5; debian linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2012-0842 being exploited?

CVE-2012-0842 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-2012-0842 affect?

CVE-2012-0842 affects surf, debian linux. Severity is medium (CVSS 5.5). surf: cookie jar has read access from other local user

Q: How urgent is CVE-2012-0842?

Priority 32/100. On your watchlist

Routine

MEDIUM 5.5WATCHLISTUPGRADEMITIGATE

CVE-2012-0842 is a medium-severity flaw (CVSS 5.5) affecting surf, debian linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

surf: cookie jar has read access from other local user

Why this priority

On your watchlist

A fixed release or distro patch exists.

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 68%)
CISA exploited list	No
Weakness	CWE-200
Published	2019-11-19
Last modified	2026-06-16

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

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

suckless surf UPGRADE

Affected: < 0.5

Fixed in: 0.5

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 0.5 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade surf

Note

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

debian debian linux MITIGATE

Affected: 8.0 · 9.0 · 10.0

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-2012-0842?

surf: upgrade to 0.5; debian linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2012-0842 being exploited?

CVE-2012-0842 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-2012-0842 affect?

CVE-2012-0842 affects surf, debian linux. Severity is medium (CVSS 5.5). surf: cookie jar has read access from other local user

How urgent is CVE-2012-0842?

Priority 32/100. On your watchlist

Software pages

Debian vulnerabilities

References

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