How severe is CVE-2007-1397?

CVE-2007-1397 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2007-1397 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-1397?

CVE-2007-1397 primarily affects Fish. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-1397?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2007-1397 published?

CVE-2007-1397 was published on 2007-03-10 and last updated on 2026-06-16.

CVE-2007-1397

CVE-2007-1397 is a critical-severity vulnerability in Fish with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 9% (95th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Fish
Published: 2007-03-10
Last modified: 2026-06-16

Description

Multiple stack-based buffer overflows in the (1) ExtractRnick and (2) decrypt_topic_332 functions in FiSH allow remote attackers to execute arbitrary code via long strings.

Frequently asked questions

What is CVE-2007-1397?: Multiple stack-based buffer overflows in the (1) ExtractRnick and (2) decrypt_topic_332 functions in FiSH allow remote attackers to execute arbitrary code via long strings.
How severe is CVE-2007-1397?: CVE-2007-1397 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2007-1397 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-1397?: CVE-2007-1397 primarily affects Fish. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-1397?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2007-1397 published?: CVE-2007-1397 was published on 2007-03-10 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:fish:fish:*:*:irssi_0.99:*:*:*:*:*
cpe:2.3:a:fish:fish:*:*:mirc_1.29:*:*:*:*:*
cpe:2.3:a:fish:fish:*:*:xchat_0.98:*:*:*:*:*