CVE-2017-9471
medium
CVSS v3
5.5
CVSS v4 NEW
—
VIR risk
5.5
Description
In ytnef 1.9.2, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted file.
Predictions
Exploit likelihood
55%
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
Ubuntu Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| 14.04 | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1.9.3-1 |
| sid | Fixed | 1.9.3-1 |
| forky | Fixed | 1.9.3-1 |
| bullseye | Fixed | 1.9.3-1 |
| bookworm | Fixed | 1.9.3-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| ytnef_project | ytnef | 1.9.2 | |
References
- https://blogs.gentoo.org/ago/2017/05/24/ytnef-heap-based-buffer-overflow-in-swapword-ytnef-c/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LFJWMUEUC4ILH2HEOCYVVLQT654ZMCGQ/
- https://usn.ubuntu.com/3667-1/
- https://security-tracker.debian.org/tracker/CVE-2017-9471
CWEs
CWE-125
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.