CVE-2004-2535: The person-to-person secure messaging feature in Sticker before 3.1.0 beta 2 allows remote attackers to post m

Q: How do I fix CVE-2004-2535?

sticker: upgrade to newer than 3.1.0_beta_1. Exact commands for each OS are on this page.

Q: Is CVE-2004-2535 being exploited?

CVE-2004-2535 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-2004-2535 affect?

CVE-2004-2535 affects sticker. Severity is medium (CVSS 5.0). The person-to-person secure messaging feature in Sticker before 3.1.0 beta 2 allows remote attackers to post messages to unauthorized private groups by using the group's public encryption key.

Q: How urgent is CVE-2004-2535?

Priority 32/100. No elevated risk signals yet.

Routine

MEDIUM 5.0UPGRADE

CVE-2004-2535 is a medium-severity flaw (CVSS 5.0) affecting sticker. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The person-to-person secure messaging feature in Sticker before 3.1.0 beta 2 allows remote attackers to post messages to unauthorized private groups by using the group's public encryption key.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	0.8% (top 42%)
CISA exploited list	No
Published	2004-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: matthew phillips

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

Am I affected?

Timeline

2004-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:09 UTCUpdated Record last modified

matthew phillips sticker UPGRADE

Affected: <= 3.1.0_beta_1 · 3.0.0

Fixed in: newer than 3.1.0_beta_1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 3.1.0_beta_1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade sticker

Note

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

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-2004-2535?

sticker: upgrade to newer than 3.1.0_beta_1. Exact commands for each OS are on this page.

Is CVE-2004-2535 being exploited?

CVE-2004-2535 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-2004-2535 affect?

CVE-2004-2535 affects sticker. Severity is medium (CVSS 5.0). The person-to-person secure messaging feature in Sticker before 3.1.0 beta 2 allows remote attackers to post messages to unauthorized private groups by using the group's public encryption key.

How urgent is CVE-2004-2535?

Priority 32/100. No elevated risk signals yet.

References

← Back to latest CVEs