CVE-2017-8358 — LibreOffice before 2017-03-17 has an out-of-bounds write caused by a heap-based

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.

01What is this vulnerability?

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.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2017-04-30T17:59:00.967
• Last modified: 2026-05-13T00:24:29.033

09References

• www.securityfocus.com — http://www.securityfocus.com/bid/98395
• bugs.chromium.org — https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=889
• github.com — https://github.com/LibreOffice/core/commit/6e6e54f944a5ebb49e9110bdeff844d00a96c…
• www.securityfocus.com — http://www.securityfocus.com/bid/98395
• bugs.chromium.org — https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=889
• github.com — https://github.com/LibreOffice/core/commit/6e6e54f944a5ebb49e9110bdeff844d00a96c…