How severe is CVE-2017-5977?

CVE-2017-5977 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2017-5977 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-5977?

CVE-2017-5977 affects Gdraheim Zziplib. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-5977?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-5977 published?

CVE-2017-5977 was published on 2017-03-01 and last updated on 2026-06-17.

CVE-2017-5977

CVE-2017-5977 is a medium-severity vulnerability in Gdraheim Zziplib with a CVSS 3.x base score of 5.5. 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-125.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Gdraheim Zziplib
Published: 2017-03-01
Last modified: 2026-06-17

Description

The zzip_mem_entry_extra_block function in memdisk.c in zziplib 0.13.62 allows remote attackers to cause a denial of service (invalid memory read and crash) via a crafted ZIP file.

Frequently asked questions

What is CVE-2017-5977?: The zzip_mem_entry_extra_block function in memdisk.c in zziplib 0.13.62 allows remote attackers to cause a denial of service (invalid memory read and crash) via a crafted ZIP file.
How severe is CVE-2017-5977?: CVE-2017-5977 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-5977 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-5977?: CVE-2017-5977 affects Gdraheim Zziplib. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-5977?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-5977 published?: CVE-2017-5977 was published on 2017-03-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gdraheim:zziplib:0.13.62:*:*:*:*:*:*:*

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