CVE-2019-13232: Info-ZIP UnZip 6.0 mishandles the overlapping of files inside a ZIP container, leading to denial of service (r

Routine

LOW 3.3WATCHLISTDOWNGRADEMITIGATE

CVE-2019-13232 is a low-severity flaw (CVSS 3.3) affecting unzip, debian linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Info-ZIP UnZip 6.0 mishandles the overlapping of files inside a ZIP container, leading to denial of service (resource consumption), aka a "better zip bomb" issue.

Why this priority

On your watchlist

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

Risk facts

CVSS score	3.3 (Low)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 57%)
CISA exploited list	No
Weakness	CWE-400
Published	2019-07-04
Last modified	2026-06-17

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

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

Am I affected?

Timeline

2019-07-04 13:15 UTCPublished CVE record published
2026-06-17 02:16 UTCUpdated Record last modified

unzip project unzip DOWNGRADE

Affected: 6.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 6.0 (Debian / Ubuntu)

apt-cache madison unzip sudo apt install unzip=<VERSION_BEFORE_6.0> sudo apt-mark hold unzip

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

dnf --showduplicates list unzip sudo dnf downgrade unzip-<VERSION_BEFORE_6.0> sudo dnf versionlock add unzip

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: 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.

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-2019-13232?

unzip: 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-2019-13232 being exploited?

CVE-2019-13232 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-2019-13232 affect?

CVE-2019-13232 affects unzip, debian linux. Severity is low (CVSS 3.3). Info-ZIP UnZip 6.0 mishandles the overlapping of files inside a ZIP container, leading to denial of service (resource consumption), aka a "better zip bomb" issue.

How urgent is CVE-2019-13232?

Priority 27/100. On your watchlist

Software pages

Debian vulnerabilities

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References

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