CVE-2013-4978: Stack-based buffer overflow in AloahaPDFViewer 5.0.0.7 and earlier in Aloaha PDF Suite FREE allows remote atta

Q: How do I fix CVE-2013-4978?

aloaha pdf suite free: mitigate or apply the listed mitigation; aloahapdfviewer: upgrade to newer than 5.0.0.7. Exact commands for each OS are on this page.

Q: Is CVE-2013-4978 being exploited?

CVE-2013-4978 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-2013-4978 affect?

CVE-2013-4978 affects aloaha pdf suite free, aloahapdfviewer. Severity is high (CVSS 9.3). Stack-based buffer overflow in AloahaPDFViewer 5.0.0.7 and earlier in Aloaha PDF Suite FREE allows remote attackers to execute arbitrary code via a crafted PDF file.

Q: How urgent is CVE-2013-4978?

Priority 61/100. Critical severity; EPSS top 6%: very likely to be exploited; Public exploit reference

This week

HIGH 9.3MITIGATEUPGRADE

CVE-2013-4978 is a high-severity flaw (CVSS 9.3) affecting aloaha pdf suite free, aloahapdfviewer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stack-based buffer overflow in AloahaPDFViewer 5.0.0.7 and earlier in Aloaha PDF Suite FREE allows remote attackers to execute arbitrary code via a crafted PDF file.

Why this priority

Critical severity
EPSS top 6%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	9.3 (High)
EPSS exploit chance	6.6% (top 6%)
CISA exploited list	No
Weakness	CWE-119
Published	2014-02-05
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: aloaha

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

Am I affected?

Timeline

2014-02-05 15:10 UTCPublished CVE record published
2026-06-16 23:58 UTCUpdated Record last modified

aloaha aloaha pdf suite free 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 aloaha-pdf-suite-free || rpm -q aloaha-pdf-suite-free || aloaha-pdf-suite-free --version

No fixed or unaffected release known

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

aloaha aloahapdfviewer UPGRADE

Affected: <= 5.0.0.7

Fixed in: newer than 5.0.0.7

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 5.0.0.7 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade aloahapdfviewer

Note

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

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Aloaha PDF Suite - Remote Stack Buffer Overflow

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-2013-4978?

aloaha pdf suite free: mitigate or apply the listed mitigation; aloahapdfviewer: upgrade to newer than 5.0.0.7. Exact commands for each OS are on this page.

Is CVE-2013-4978 being exploited?

CVE-2013-4978 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-2013-4978 affect?

CVE-2013-4978 affects aloaha pdf suite free, aloahapdfviewer. Severity is high (CVSS 9.3). Stack-based buffer overflow in AloahaPDFViewer 5.0.0.7 and earlier in Aloaha PDF Suite FREE allows remote attackers to execute arbitrary code via a crafted PDF file.

How urgent is CVE-2013-4978?

Priority 61/100. Critical severity; EPSS top 6%: very likely to be exploited; Public exploit reference

References

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