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No exploitation reportedFix available

CVE-2020-17487

No exploitation reported by the sources we read.

  • Published2020-08-11

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

radare2 4.5.0 misparses signature information in PE files, causing a segmentation fault in r_x509_parse_algorithmidentifier in libr/util/x509.c. This is due to a malformed object identifier in IMAGE_DIRECTORY_ENTRY_SECURITY.

Timeline

dates in UTC
  1. 2020-08-1120:15CVE publishedNVD

Versions per branch

NVD
Fedoraproject fedora
BranchAffectedFixed in
32.x= 32no fix published
33.x= 33no fix published
Radare radare2
BranchAffectedFixed in
4.5= 4.5.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • radare2Ubuntu:Pro:24.04:LTSall versions · no fixed version listed
  • radare2Ubuntu:Pro:20.04:LTSall versions · no fixed version listed
  • radare2Ubuntu:Pro:18.04:LTSall versions · no fixed version listed
  • radare2Ubuntu:26.10all versions · no fixed version listed
  • radare2Ubuntu:26.04:LTSall versions · no fixed version listed
  • radare2Ubuntu:25.10all versions · no fixed version listed
  • radare2Ubuntu:16.04:LTSall versions · no fixed version listed
  • radare2Mageia:8all versions · fixed in 5.1.1-1.mga8

11 more package ranges on OSV.dev

Vendor advisories

  • CVE-2020-17487 Red Hat Product Security

    radare2: misparsing signature information in PE files could lead to DoS

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2020-08-11
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-m3m4-q36r-mrf5

Frequently asked questions

What is CVE-2020-17487?

radare2 4.5.0 misparses signature information in PE files, causing a segmentation fault in r_x509_parse_algorithmidentifier in libr/util/x509.c. This is due to a malformed object identifier in IMAGE_DIRECTORY_ENTRY_SECURITY.

Is CVE-2020-17487 actively exploited?

Active exploitation of CVE-2020-17487 has not been confirmed. Its EPSS score was 1.9% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-17487?

CVE-2020-17487 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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Sources for this record