CVE-2017-7856
critical
CVSS v3
9.8
CVSS v4 NEW
—
VIR risk
9.8
Description
LibreOffice before 2017-03-11 has an out-of-bounds write caused by a heap-based buffer overflow in the SVMConverter::ImplConvertFromSVM1 function in vcl/source/gdi/svmconverter.cxx.
Predictions
Exploit likelihood
97%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 0 |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 0 |
| debian | sid | fixed | 0 |
| debian | trixie | fixed | 0 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| libreoffice | libreoffice | {"endIncluding":"5.2.6.1"} | |
References
- http://www.libreoffice.org/about-us/security/advisories/cve-2017-7856/
- http://www.securityfocus.com/bid/97667
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=817
- https://github.com/LibreOffice/core/commit/28e61b634353110445e334ccaa415d7fb6629d62
- https://www.suse.com/security/cve/CVE-2017-7856.html
- https://security-tracker.debian.org/tracker/CVE-2017-7856
CWEs
CWE-787
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.