01 Record

CVE-2016-4021

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

UnratedPUBLISHEDCNA: mitre

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 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

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 1.82% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 78.3% of scored records. A rank, not a probability.
NVD base score: 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2016-05-26 14:00Z10 YR AGO

Last updated

2024-08-06 00:17Z2 YR AGO

Reserved

2016-04-14

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-399

Data version

5.1

Document digest

8d758ad3946e397935298130c2b388f7a5fb66c731019455f349d95ff35a3a4d

05 Affected products

VendorProductVersionsPlatforms

fedoraprojectfedoraNot specified—

pgpdump_projectpgpdumpNot specified—

06 References

seclists.org20160418 CVE-2016-4021: pgpdump 0.29 - Endless loop parsing specially crafted input (SYSS-2016-030)http://seclists.org/bugtraq/2016/Apr/99mailing-listx_refsource_BUGTRAQ
www.syss.dehttps://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2016-030.txtx_refsource_MISC
lists.fedoraproject.orgFEDORA-2016-5733ad20f5http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184689.htmlvendor-advisoryx_refsource_FEDORA
lists.fedoraproject.orgFEDORA-2016-8f4b54b005http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183750.htmlvendor-advisoryx_refsource_FEDORA
lists.fedoraproject.orgFEDORA-2016-6fd7a31d36http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184617.htmlvendor-advisoryx_refsource_FEDORA
github.comhttps://github.com/kazu-yamamoto/pgpdump/pull/16x_refsource_CONFIRM

07 Fixed in

Debian 12

pgpdump
Fixed in 0.31-0.1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

pgpdump
Fixed in 0.31-0.1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

pgpdump
Fixed in 0.31-0.1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 14.04 LTS

pgpdump
Fixed in 0.28-1+deb8u1build0.14.04.1

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 16.04 LTS

pgpdump
No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.