CVE-2024-0727: Issue summary: Processing a maliciously formatted PKCS12 file may lead OpenSSL to crash leading to a potential

Q: How do I fix CVE-2024-0727?

openssl: upgrade to 1.0.2zj, 1.1.1x, 3.0.13, 3.1.5. Exact commands for each OS are on this page.

Q: Is CVE-2024-0727 being exploited?

CVE-2024-0727 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-2024-0727 affect?

CVE-2024-0727 affects openssl. Severity is medium (CVSS 5.5). Issue summary: Processing a maliciously formatted PKCS12 file may lead OpenSSL to crash leading to a potential Denial of Service attack Impact summary: Applications loading files in the PKCS12 format from untrusted sources might terminate

Q: How urgent is CVE-2024-0727?

Priority 46/100. On your watchlist

This month

MEDIUM 5.5WATCHLISTUPGRADE

CVE-2024-0727 is a medium-severity flaw (CVSS 5.5) affecting openssl. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Issue summary: Processing a maliciously formatted PKCS12 file may lead OpenSSL to crash leading to a potential Denial of Service attack Impact summary: Applications loading files in the PKCS12 format from untrusted sources might terminate abruptly. A file in PKCS12 format can contain certificates and keys and may come from an untrusted source. The PKCS12 specification allows certain fields to be NULL, but OpenSSL does not correctly check for th

Why this priority

On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
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-476
Published	2024-01-26
Last modified	2026-10-15

Publisher (CNA): OpenSSL Software Foundation · Vendor: openssl

Last updated 2026-10-15 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-01-26 09:15 UTCPublished CVE record published
2026-10-15 01:17 UTCUpdated Record last modified

openssl openssl UPGRADE

Affected: >= 1.0.2 and < 1.0.2zj · >= 1.1.1 and < 1.1.1x · >= 3.0.0 and < 3.0.13 · >= 3.1.0 and < 3.1.5 · 3.2.0

Fixed in: 1.0.2zj, 1.1.1x, 3.0.13, 3.1.5

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 1.0.2zj (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade openssl

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-2024-0727?

openssl: upgrade to 1.0.2zj, 1.1.1x, 3.0.13, 3.1.5. Exact commands for each OS are on this page.

Is CVE-2024-0727 being exploited?

CVE-2024-0727 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-2024-0727 affect?

CVE-2024-0727 affects openssl. Severity is medium (CVSS 5.5). Issue summary: Processing a maliciously formatted PKCS12 file may lead OpenSSL to crash leading to a potential Denial of Service attack Impact summary: Applications loading files in the PKCS12 format from untrusted sources might terminate

How urgent is CVE-2024-0727?

Priority 46/100. On your watchlist

Software pages

OpenSSL vulnerabilities

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References

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