CVE-2016-2347: Integer underflow in the decode_level3_header function in lib/lha_file_header.c in Lhasa before 0.3.1 allows r

Q: How do I fix CVE-2016-2347?

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

Q: Is CVE-2016-2347 being exploited?

CVE-2016-2347 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-2016-2347 affect?

CVE-2016-2347 affects leap, opensuse, debian linux. Severity is high (CVSS 7.8). Integer underflow in the decode_level3_header function in lib/lha_file_header.c in Lhasa before 0.3.1 allows remote attackers to execute arbitrary code via a crafted archive.

Q: How urgent is CVE-2016-2347?

Priority 59/100. High severity; Public exploit reference; On your watchlist

This month

HIGH 7.8WATCHLISTMITIGATEMITIGATEMITIGATE

CVE-2016-2347 is a high-severity flaw (CVSS 7.8) affecting leap, opensuse, debian linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Integer underflow in the decode_level3_header function in lib/lha_file_header.c in Lhasa before 0.3.1 allows remote attackers to execute arbitrary code via a crafted archive.

Why this priority

High severity
Public exploit reference
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	3.2% (top 12%)
CISA exploited list	No
Weakness	CWE-190
Published	2017-04-21
Last modified	2026-06-17

Publisher (CNA): CERT/CC · Vendor: debian · lhasa project · opensuse

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

Am I affected?

Timeline

2017-04-21 20:59 UTCPublished CVE record published
2026-06-17 00:43 UTCUpdated Record last modified

opensuse leap MITIGATE

Affected: 42.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 42.1

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.

opensuse opensuse MITIGATE

Affected: 13.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 13.2

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: 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.

lhasa project lhasa UPGRADE

Affected: <= 0.3.0

Fixed in: newer than 0.3.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 0.3.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade lhasa

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-2016-2347?

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

Is CVE-2016-2347 being exploited?

CVE-2016-2347 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-2016-2347 affect?

CVE-2016-2347 affects leap, opensuse, debian linux. Severity is high (CVSS 7.8). Integer underflow in the decode_level3_header function in lib/lha_file_header.c in Lhasa before 0.3.1 allows remote attackers to execute arbitrary code via a crafted archive.

How urgent is CVE-2016-2347?

Priority 59/100. High severity; Public exploit reference; On your watchlist

Software pages

Debian vulnerabilities

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References

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