CVE-2013-7488: perl-Convert-ASN1 (aka the Convert::ASN1 module for Perl) through 0.27 allows remote attackers to cause an inf

Q: How do I fix CVE-2013-7488?

\: upgrade to newer than 0.27; fedora: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2013-7488 being exploited?

CVE-2013-7488 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-2013-7488 affect?

CVE-2013-7488 affects \, fedora. Severity is high (CVSS 7.5). perl-Convert-ASN1 (aka the Convert::ASN1 module for Perl) through 0.27 allows remote attackers to cause an infinite loop via unexpected input.

Q: How urgent is CVE-2013-7488?

Priority 59/100. High severity; EPSS top 9%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADEMITIGATE

CVE-2013-7488 is a high-severity flaw (CVSS 7.5) affecting \, fedora. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

perl-Convert-ASN1 (aka the Convert::ASN1 module for Perl) through 0.27 allows remote attackers to cause an infinite loop via unexpected input.

Why this priority

High severity
EPSS top 9%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	4.1% (top 9%)
CISA exploited list	No
Weakness	CWE-835
Published	2020-04-07
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: convert\ · fedoraproject

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

Am I affected?

Timeline

2020-04-07 18:15 UTCPublished CVE record published
2026-06-17 00:02 UTCUpdated Record last modified

convert\ \ UPGRADE

Affected: <= 0.27

Fixed in: newer than 0.27

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 0.27 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade

Note

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

fedoraproject fedora MITIGATE

Affected: 32 · 33

Fixed in: no fixed release known

Safe to downgrade to: a release before 32

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-2013-7488?

\: upgrade to newer than 0.27; fedora: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2013-7488 being exploited?

CVE-2013-7488 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-2013-7488 affect?

CVE-2013-7488 affects \, fedora. Severity is high (CVSS 7.5). perl-Convert-ASN1 (aka the Convert::ASN1 module for Perl) through 0.27 allows remote attackers to cause an infinite loop via unexpected input.

How urgent is CVE-2013-7488?

Priority 59/100. High severity; EPSS top 9%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

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References

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