CVE-2017-20230
criticalpriority · track · 0EPSS 0.006 · 51 %ileDEEUUSEPSS · scored 2026-10-27
Storable versions before 3.05 for Perl has a stack overflow. The retrieve_hook function stored the length of the class name into a signed integer but in read operations treated the length as unsigned. This allowed an attacker to craft data that could trigger the overflow.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (4)
Products and version ranges known to be affected.
- Red Hat Enterprise Linux Hardened Images RPMsall versionscert_bundDEcpe:/o:redhat:enterprise_linux:hardened_images_rpms
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-1254Red Hat Hardened Images RPMs (Storable for Perl): Schwachstelle ermöglicht Denial of ServiceDeutsch2026-04-23csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Red Hat Hardened Images RPMs ausnutzen, um einen Denial of Service Angriff durchzuführen.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (13)
External citations — patches, advisories, analysis.
- https://dev.perl.org/perl5/Patchcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2017-20230cnnvd
- https://github.com/Perl/perl5/commit/a258c17c6937f79529c8319a829310e09cdbd216.patchenisa_euvd
- https://github.com/Perl/perl5/issues/15831enisa_euvd
- https://metacpan.org/release/RURBAN/Storable-3.05/changesenisa_euvd
- https://www.nntp.perl.org/group/perl.perl5.porters/2017/01/msg242533.htmlenisa_euvd
- https://www.nntp.perl.org/group/perl.perl5.porters/2017/01/msg242703.htmlenisa_euvd
- http://www.openwall.com/lists/oss-security/2026/04/21/5Mailing Listnvd
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