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CVE-2015-8560: Incomplete blacklist vulnerability in util.c in foomatic-rip in cups-filters 1.0.42 before 1.4.0 and in foomat

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HIGH 7.3REMOTEWATCHLISTMITIGATEMITIGATEDOWNGRADE

CVE-2015-8560 is a high-severity flaw (CVSS 7.3) affecting ubuntu linux, debian linux, cups-filters. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Incomplete blacklist vulnerability in util.c in foomatic-rip in cups-filters 1.0.42 before 1.4.0 and in foomatic-filters in Foomatic 4.0.x allows remote attackers to execute arbitrary commands via a ; (semicolon) character in a print job, a different vulnerability than CVE-2015-8327.

Why this priority

  • High severity
  • EPSS top 7%: very likely to be exploited
  • Remotely exploitable, no login, no user action
  • On your watchlist

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

Risk facts

CVSS score7.3 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance5.3% (top 7%)
CISA exploited listNo
Published2016-04-14
Last modified2026-06-17
Publisher (CNA): Debian GNU/Linux · Vendor: canonical · debian · linuxfoundation

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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

canonical ubuntu linux MITIGATE
Affected: 12.04 · 14.04 · 15.04 · 15.10
Fixed in: no fixed release known
Safe to downgrade to: a release before 12.04
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.
debian debian linux MITIGATE
Affected: 8.0
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.
linuxfoundation cups-filters DOWNGRADE
Affected: 1.0.42 · 1.0.43 · 1.0.44 · 1.0.45 · 1.0.46 · 1.0.47 · 1.0.48 · 1.0.49
Fixed in: no fixed release known
Safe to downgrade to: a release before 1.0.42
1. Check installed version
apt-cache policy cups-filters || rpm -q cups-filters || cups-filters --version
2. No fixed release: DOWNGRADE to a release before 1.0.42 (Debian / Ubuntu)
apt-cache madison cups-filters sudo apt install cups-filters=<VERSION_BEFORE_1.0.42> sudo apt-mark hold cups-filters
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list cups-filters sudo dnf downgrade cups-filters-<VERSION_BEFORE_1.0.42> sudo dnf versionlock add cups-filters
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.
linuxfoundation foomatic-filters DOWNGRADE
Affected: 4.0.0 · 4.0.1 · 4.0.2 · 4.0.3 · 4.0.4 · 4.0.5 · 4.0.6 · 4.0.7
Fixed in: no fixed release known
Safe to downgrade to: a release before 4.0.0
1. Check installed version
apt-cache policy foomatic-filters || rpm -q foomatic-filters || foomatic-filters --version
2. No fixed release: DOWNGRADE to a release before 4.0.0 (Debian / Ubuntu)
apt-cache madison foomatic-filters sudo apt install foomatic-filters=<VERSION_BEFORE_4.0.0> sudo apt-mark hold foomatic-filters
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list foomatic-filters sudo dnf downgrade foomatic-filters-<VERSION_BEFORE_4.0.0> sudo dnf versionlock add foomatic-filters
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-2015-8560?

ubuntu linux: mitigate or apply the listed mitigation; debian linux: mitigate or apply the listed mitigation; cups-filters: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2015-8560 being exploited?

CVE-2015-8560 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-2015-8560 affect?

CVE-2015-8560 affects ubuntu linux, debian linux, cups-filters. Severity is high (CVSS 7.3). Incomplete blacklist vulnerability in util.c in foomatic-rip in cups-filters 1.0.42 before 1.4.0 and in foomatic-filters in Foomatic 4.0.x allows remote attackers to execute arbitrary commands via a ; (semicolon) character in a print job, a

How urgent is CVE-2015-8560?

Priority 59/100. High severity; EPSS top 7%: very likely to be exploited; Remotely exploitable, no login, no user action; On your watchlist

Software pages

Ubuntu vulnerabilities · Debian vulnerabilities

Related CVEs

References

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