How severe is CVE-2017-8358?

CVE-2017-8358 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-8358 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-2017-8358?

CVE-2017-8358 affects Libreoffice. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-8358?

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

When was CVE-2017-8358 published?

CVE-2017-8358 was published on 2017-04-30 and last updated on 2026-06-17.

CVE-2017-8358

CVE-2017-8358 is a critical-severity vulnerability in Libreoffice with a CVSS 3.x base score of 9.8. 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-119.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Libreoffice
Published: 2017-04-30
Last modified: 2026-06-17

Description

LibreOffice before 2017-03-17 has an out-of-bounds write caused by a heap-based buffer overflow related to the ReadJPEG function in vcl/source/filter/jpeg/jpegc.cxx.

Frequently asked questions

What is CVE-2017-8358?: LibreOffice before 2017-03-17 has an out-of-bounds write caused by a heap-based buffer overflow related to the ReadJPEG function in vcl/source/filter/jpeg/jpegc.cxx.
How severe is CVE-2017-8358?: CVE-2017-8358 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-8358 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-2017-8358?: CVE-2017-8358 affects Libreoffice. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-8358?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-8358 published?: CVE-2017-8358 was published on 2017-04-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*

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