CVE-2015-8837: Stack-based buffer overflow in the isofs_real_readdir function in isofs.c in FuseISO 20070708 allows remote at

Q: How do I fix CVE-2015-8837?

fuseiso: upgrade to newer than 20070708; debian linux: mitigate or apply the listed mitigation; fedora: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2015-8837 being exploited?

CVE-2015-8837 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-2015-8837 affect?

CVE-2015-8837 affects fuseiso, debian linux, fedora. Severity is high (CVSS 7.3). Stack-based buffer overflow in the isofs_real_readdir function in isofs.c in FuseISO 20070708 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a long pathname in an ISO file.

Q: How urgent is CVE-2015-8837?

Priority 57/100. High severity; Public exploit reference; On your watchlist

This month

HIGH 7.3WATCHLISTUPGRADEMITIGATEMITIGATE

CVE-2015-8837 is a high-severity flaw (CVSS 7.3) affecting fuseiso, debian linux, fedora. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stack-based buffer overflow in the isofs_real_readdir function in isofs.c in FuseISO 20070708 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a long pathname in an ISO file.

Why this priority

High severity
Public exploit reference
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	7.3 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	2.9% (top 13%)
CISA exploited list	No
Weakness	CWE-119
Published	2016-03-30
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: debian · fedoraproject · fuseiso project

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

Am I affected?

Timeline

2016-03-30 10:59 UTCPublished CVE record published
2026-06-17 00:35 UTCUpdated Record last modified

fuseiso project fuseiso UPGRADE

Affected: <= 20070708

Fixed in: newer than 20070708

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 20070708 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade fuseiso

Note

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

debian debian linux MITIGATE

Affected: 7.0 · 8.0

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.

fedoraproject fedora MITIGATE

Affected: 16 · 17

Fixed in: no fixed release known

Safe to downgrade to: a release before 16

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-2015-8837?

fuseiso: upgrade to newer than 20070708; debian linux: mitigate or apply the listed mitigation; fedora: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2015-8837 being exploited?

CVE-2015-8837 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-2015-8837 affect?

CVE-2015-8837 affects fuseiso, debian linux, fedora. Severity is high (CVSS 7.3). Stack-based buffer overflow in the isofs_real_readdir function in isofs.c in FuseISO 20070708 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a long pathname in an ISO file.

How urgent is CVE-2015-8837?

Priority 57/100. High severity; Public exploit reference; On your watchlist

Software pages

Debian vulnerabilities

Related CVEs

CVE-2015-8836 HIGH 7.3 MITIGATE UPGRADE Integer overflow in the isofs_real_read_zf function in isofs.c in FuseISO 20070708 might allow remote attacker

References

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