How severe is CVE-2017-5976?

CVE-2017-5976 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-2017-5976 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-5976?

CVE-2017-5976 primarily affects Gdraheim Zziplib. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-5976?

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

When was CVE-2017-5976 published?

CVE-2017-5976 was published on 2017-03-01 and last updated on 2026-06-17.

CVE-2017-5976

CVE-2017-5976 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-787.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Gdraheim Zziplib
Published: 2017-03-01
Last modified: 2026-06-17

Description

Heap-based buffer overflow in the zzip_mem_entry_extra_block function in memdisk.c in zziplib 0.13.62, 0.13.61, 0.13.60, 0.13.59, 0.13.58, 0.13.57, 0.13.56 allows remote attackers to cause a denial of service (crash) via a crafted ZIP file.

Frequently asked questions

What is CVE-2017-5976?: Heap-based buffer overflow in the zzip_mem_entry_extra_block function in memdisk.c in zziplib 0.13.62, 0.13.61, 0.13.60, 0.13.59, 0.13.58, 0.13.57, 0.13.56 allows remote attackers to cause a denial of service (crash) via a crafted ZIP file.
How severe is CVE-2017-5976?: CVE-2017-5976 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-2017-5976 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-5976?: CVE-2017-5976 primarily affects Gdraheim Zziplib. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-5976?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-5976 published?: CVE-2017-5976 was published on 2017-03-01 and last updated on 2026-06-17.

References

Affected products (9)

cpe:2.3:a:gdraheim:zziplib:0.13.56:*:*:*:*:*:*:*
cpe:2.3:a:gdraheim:zziplib:0.13.57:*:*:*:*:*:*:*
cpe:2.3:a:gdraheim:zziplib:0.13.58:*:*:*:*:*:*:*
cpe:2.3:a:gdraheim:zziplib:0.13.59:*:*:*:*:*:*:*
cpe:2.3:a:gdraheim:zziplib:0.13.60:*:*:*:*:*:*:*
cpe:2.3:a:gdraheim:zziplib:0.13.61:*:*:*:*:*:*:*
cpe:2.3:a:gdraheim:zziplib:0.13.62:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

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