CVE-2015-4469
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
4.3
Description
The chmd_read_headers function in chmd.c in libmspack before 0.5 does not validate name lengths, which allows remote attackers to cause a denial of service (buffer over-read and application crash) via a crafted CHM file.
Predictions
Exploit likelihood
20%
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
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 0.4-3 |
| sid | Fixed | 0.4-3 |
| forky | Fixed | 0.4-3 |
| bullseye | Fixed | 0.4-3 |
| bookworm | Fixed | 0.4-3 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| libmspack_project | libmspack | {"endIncluding":"0.4-3"} | |
References
- http://anonscm.debian.org/cgit/collab-maint/libmspack.git/diff/debian/patches/fix-name-field-boundaries.patch?id=a25bb144795e526748b57884daf365732c7e2295
- http://openwall.com/lists/oss-security/2015/02/03/11
- http://www.securityfocus.com/bid/72486
- https://bugs.debian.org/774726
- https://security-tracker.debian.org/tracker/CVE-2015-4469
CWEs
CWE-119
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.