CVE-2015-4467
medium
CVSS v3
—
CVSS v4 NEW
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VIR risk
4.3
Description
The chmd_init_decomp function in chmd.c in libmspack before 0.5 does not properly validate the reset interval, which allows remote attackers to cause a denial of service (divide-by-zero error 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
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 0.4-3 |
| debian | bullseye | fixed | 0.4-3 |
| debian | forky | fixed | 0.4-3 |
| debian | sid | fixed | 0.4-3 |
| debian | trixie | 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-division-by-zero.patch?id=a25bb144795e526748b57884daf365732c7e2295
- http://openwall.com/lists/oss-security/2015/02/03/11
- http://www.securityfocus.com/bid/72488
- https://bugs.debian.org/774725
- https://security-tracker.debian.org/tracker/CVE-2015-4467
CWEs
CWE-189
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.