How severe is CVE-2023-36307?

CVE-2023-36307 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-2023-36307 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-36307?

CVE-2023-36307 affects Simonwaldherr Zplgfa. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-36307?

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

When was CVE-2023-36307 published?

CVE-2023-36307 was published on 2023-09-05 and last updated on 2026-06-17.

CVE-2023-36307

CVE-2023-36307 is a medium-severity vulnerability in Simonwaldherr Zplgfa 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-129.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-129
Affected product: Simonwaldherr Zplgfa
Published: 2023-09-05
Last modified: 2026-06-17

Description

ZPLGFA 1.1.1 allows attackers to cause a panic (because of an integer index out of range during a ConvertToGraphicField call) via an image of zero width. NOTE: it is unclear whether there are common use cases in which this panic could have any security consequence

Frequently asked questions

What is CVE-2023-36307?: ZPLGFA 1.1.1 allows attackers to cause a panic (because of an integer index out of range during a ConvertToGraphicField call) via an image of zero width. NOTE: it is unclear whether there are common use cases in which this panic could have any security consequence
How severe is CVE-2023-36307?: CVE-2023-36307 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-2023-36307 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-36307?: CVE-2023-36307 affects Simonwaldherr Zplgfa. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-36307?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-36307 published?: CVE-2023-36307 was published on 2023-09-05 and last updated on 2026-06-17.

References

https://github.com/SimonWaldherr/zplgfa/pull/6

Affected products (1)

cpe:2.3:a:simonwaldherr:zplgfa:1.1.1:*:*:*:*:go:*:*

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