How severe is CVE-2008-1677?

CVE-2008-1677 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2008-1677 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-1677?

CVE-2008-1677 primarily affects Redhat Directory Server. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-1677?

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

When was CVE-2008-1677 published?

CVE-2008-1677 was published on 2008-05-12 and last updated on 2026-06-16.

CVE-2008-1677

CVE-2008-1677 is a high-severity vulnerability in Redhat Directory Server with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Redhat Directory Server
Published: 2008-05-12
Last modified: 2026-06-16

Description

Buffer overflow in the regular expression handler in Red Hat Directory Server 8.0 and 7.1 before SP6 allows remote attackers to cause a denial of service (slapd crash) and possibly execute arbitrary code via a crafted LDAP query that triggers the overflow during translation to a regular expression.

Frequently asked questions

What is CVE-2008-1677?: Buffer overflow in the regular expression handler in Red Hat Directory Server 8.0 and 7.1 before SP6 allows remote attackers to cause a denial of service (slapd crash) and possibly execute arbitrary code via a crafted LDAP query that triggers the overflow during translation to a regular expression.
How severe is CVE-2008-1677?: CVE-2008-1677 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2008-1677 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-1677?: CVE-2008-1677 primarily affects Redhat Directory Server. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-1677?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2008-1677 published?: CVE-2008-1677 was published on 2008-05-12 and last updated on 2026-06-16.

References

Affected products (7)

cpe:2.3:a:redhat:directory_server:7.1:sp1:*:*:*:*:*:*
cpe:2.3:a:redhat:directory_server:7.1:sp2:*:*:*:*:*:*
cpe:2.3:a:redhat:directory_server:7.1:sp3:*:*:*:*:*:*
cpe:2.3:a:redhat:directory_server:7.1:sp4:*:*:*:*:*:*
cpe:2.3:a:redhat:directory_server:7.1:sp5:*:*:*:*:*:*
cpe:2.3:a:redhat:directory_server:8.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:fedora_directory_server:1.1:*:*:*:*:*:*:*

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