CVE-2016-4021
high
CVSS v3
7.5
CVSS v4 NEW
—
VIR risk
7.5
Description
The read_binary function in buffer.c in pgpdump before 0.30 allows context-dependent attackers to cause a denial of service (infinite loop and CPU consumption) via crafted input, as demonstrated by the \xa3\x03 string.
Predictions
Exploit likelihood
83%
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 |
|---|---|---|---|
| fedora | 22 | affected | |
| fedora | 23 | affected | |
| fedora | 24 | affected | |
| debian | bookworm | fixed | 0.31-0.1 |
| debian | bullseye | fixed | 0.31-0.1 |
| debian | forky | fixed | 0.31-0.1 |
| debian | sid | fixed | 0.31-0.1 |
| debian | trixie | fixed | 0.31-0.1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| pgpdump_project | pgpdump | {"endIncluding":"0.29"} | |
References
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183750.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184617.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184689.html
- http://seclists.org/bugtraq/2016/Apr/99
- https://github.com/kazu-yamamoto/pgpdump/pull/16
- https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2016-030.txt
- https://security-tracker.debian.org/tracker/CVE-2016-4021
CWEs
CWE-399
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.