PatchTheCVECVE-2006-0898: Crypt::CBC Perl module 2.16 and earlier, when running in RandomIV mode, uses an initialization vector (IV) of
CVE-2006-0898 is a low-severity flaw (CVSS 2.6) affecting crypt cbc. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Crypt::CBC Perl module 2.16 and earlier, when running in RandomIV mode, uses an initialization vector (IV) of 8 bytes, which results in weaker encryption when used with a cipher that requires a larger block size than 8 bytes, such as Rijndael.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 2.6 (Low) |
| EPSS exploit chance | 1.4% (top 27%) |
| CISA exploited list | No |
| Published | 2006-02-25 |
| Last modified | 2026-06-16 |
Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
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-2006-0898?
crypt cbc: upgrade to newer than 2.16. Exact commands for each OS are on this page.
Is CVE-2006-0898 being exploited?
CVE-2006-0898 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-2006-0898 affect?
CVE-2006-0898 affects crypt cbc. Severity is low (CVSS 2.6). Crypt::CBC Perl module 2.16 and earlier, when running in RandomIV mode, uses an initialization vector (IV) of 8 bytes, which results in weaker encryption when used with a cipher that requires a larger block size than 8 bytes, such as Rijnda
How urgent is CVE-2006-0898?
Priority 27/100. No elevated risk signals yet.