How severe is CVE-2017-5979?

CVE-2017-5979 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-2017-5979 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-5979?

CVE-2017-5979 affects Gdraheim Zziplib. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-5979?

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

When was CVE-2017-5979 published?

CVE-2017-5979 was published on 2017-03-01 and last updated on 2026-06-17.

CVE-2017-5979

CVE-2017-5979 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-476.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Gdraheim Zziplib
Published: 2017-03-01
Last modified: 2026-06-17

Description

The prescan_entry function in fseeko.c in zziplib 0.13.62 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted ZIP file.

Frequently asked questions

What is CVE-2017-5979?: The prescan_entry function in fseeko.c in zziplib 0.13.62 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted ZIP file.
How severe is CVE-2017-5979?: CVE-2017-5979 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-2017-5979 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-5979?: CVE-2017-5979 affects Gdraheim Zziplib. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-5979?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-5979 published?: CVE-2017-5979 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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Other CWE-476 (NULL Pointer Dereference) vulnerabilities

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