CVE-2018-7487: There is a heap-based buffer overflow in the LoadPCX function of in_pcx.cpp in sam2p 0.49.4

This month

HIGH 7.8WATCHLISTDOWNGRADEMITIGATE

CVE-2018-7487 is a high-severity flaw (CVSS 7.8) affecting sam2p, debian linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

There is a heap-based buffer overflow in the LoadPCX function of in_pcx.cpp in sam2p 0.49.4. A Crafted input will lead to a denial of service or possibly unspecified other impact.

Why this priority

High severity
Public exploit reference
On your watchlist

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

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.2% (top 31%)
CISA exploited list	No
Weakness	CWE-787
Published	2018-02-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: debian · sam2p project

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

Am I affected?

Timeline

2018-02-26 15:29 UTCPublished CVE record published
2026-06-17 02:03 UTCUpdated Record last modified

sam2p project sam2p DOWNGRADE

Affected: 0.49.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.49.4

1. Check installed version

apt-cache policy sam2p || rpm -q sam2p || sam2p --version

2. No fixed release: DOWNGRADE to a release before 0.49.4 (Debian / Ubuntu)

apt-cache madison sam2p sudo apt install sam2p=<VERSION_BEFORE_0.49.4> sudo apt-mark hold sam2p

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

dnf --showduplicates list sam2p sudo dnf downgrade sam2p-<VERSION_BEFORE_0.49.4> sudo dnf versionlock add sam2p

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.

debian debian linux MITIGATE

Affected: 7.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.0

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-2018-7487?

sam2p: downgrade or apply the listed mitigation; debian linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-7487 being exploited?

CVE-2018-7487 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-2018-7487 affect?

CVE-2018-7487 affects sam2p, debian linux. Severity is high (CVSS 7.8). There is a heap-based buffer overflow in the LoadPCX function of in_pcx.cpp in sam2p 0.49.4. A Crafted input will lead to a denial of service or possibly unspecified other impact.

How urgent is CVE-2018-7487?

Priority 54/100. High severity; Public exploit reference; On your watchlist

Software pages

Debian vulnerabilities

Related CVEs

CVE-2020-19492 HIGH 7.8 DOWNGRADE There is a floating point exception in ReadImage that leads to a Segmentation fault in sam2p 0.49.4
CVE-2020-19491 HIGH 7.8 DOWNGRADE There is an invalid memory access bug in cgif.c that leads to a Segmentation fault in sam2p 0.49.4
CVE-2018-7554 CRITICAL 9.8 DOWNGRADE MITIGATE There is an invalid free in ReadImage in input-bmp.ci that leads to a Segmentation fault in sam2p 0.49.4
CVE-2018-7553 CRITICAL 9.8 DOWNGRADE MITIGATE There is a heap-based buffer overflow in the pcxLoadRaster function of in_pcx.cpp in sam2p 0.49.4
CVE-2018-7552 CRITICAL 9.8 DOWNGRADE MITIGATE There is an invalid free in Mapping::DoubleHash::clear in mapping.cpp that leads to a Segmentation fault in sa

References

← Back to latest CVEs