CVE-1999-0342: Linux PAM modules allow local users to gain root access using temporary files.

Q: How do I fix CVE-1999-0342?

pam: upgrade to newer than 0.64. Exact commands for each OS are on this page.

Q: Is CVE-1999-0342 being exploited?

CVE-1999-0342 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-1999-0342 affect?

CVE-1999-0342 affects pam. Severity is medium (CVSS 6.2). Linux PAM modules allow local users to gain root access using temporary files.

Q: How urgent is CVE-1999-0342?

Priority 33/100. On your watchlist

Routine

MEDIUM 6.2WATCHLISTUPGRADE

CVE-1999-0342 is a medium-severity flaw (CVSS 6.2) affecting pam. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Linux PAM modules allow local users to gain root access using temporary files.

Why this priority

On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	6.2 (Medium)
EPSS exploit chance	0.3% (top 74%)
CISA exploited list	No
Published	1998-12-01
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: pam

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

1998-12-01 05:00 UTCPublished CVE record published
2026-06-16 21:48 UTCUpdated Record last modified

pam pam UPGRADE

Affected: <= 0.64

Fixed in: newer than 0.64

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 0.64 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade pam

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-1999-0342?

pam: upgrade to newer than 0.64. Exact commands for each OS are on this page.

Is CVE-1999-0342 being exploited?

CVE-1999-0342 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-1999-0342 affect?

CVE-1999-0342 affects pam. Severity is medium (CVSS 6.2). Linux PAM modules allow local users to gain root access using temporary files.

How urgent is CVE-1999-0342?

Priority 33/100. On your watchlist

Related CVEs

CVE-2005-2977 LOW 2.1 UPGRADE The SELinux version of PAM before 0.78 r3 allows local users to perform brute force password guessing attacks
CVE-2002-1227 HIGH 7.5 DOWNGRADE PAM 0.76 treats a disabled password as if it were an empty (null) password, which allows local and remote atta

References

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