Home/CVE/Perl before 5.30.3 has an integer overflow related to mishandling of a "PL_regkind[OP(n)] == NOTHING" situation. A craft
CVE

CVE-2020-10878

Perl before 5.30.3 has an integer overflow related to mishandling of a "PL_regkind[OP(n)] == NOTHING" situation. A craft

Perl before 5.30.3 has an integer overflow related to mishandling of a "PL_regkind[OP(n)] == NOTHING" situation. A crafted regular expression could lead to malformed bytecode with a possibility of instruction injection.

HIGH · CVSS 8.6 EPSS 0.00111
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules2 YARA rules0
⬡

Weakness Classification

CWE-190Integer Overflow or Wraparound
▤

Affected Products & Versions

18
perl< 5.30.3
fedoraproject fedoraall versions
opensuse leapall versions
netapp oncommand workflow automationall versions
netapp snap creator frameworkall versions
oracle communications billing and revenue managementall versions
oracle communications diameter signaling router>= 8.0.0 and <= 8.5.0
oracle communications eagle application processor>= 16.1.0 and <= 16.4.0
◈

Sigma Hunt Rules

2
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighPotential Perl Reverse Shell Execution
productmediumPerl Inline Command Execution
▣

Scoring & Timeline

8.6
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 Jun 2020 · 02:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
⚑

Vendor Advisories

16
suse-csafopenSUSE-SU-2024:11158-1
siemens-csafSSA-398330
rhsaRHSA-2026:7604Moderate
usnUSN-4602-2
usnUSN-4602-1
🔗

References & Sources

15
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00044.htmlMailing ListThird Party Advisory
https://github.com/Perl/perl5/blob/blead/pod/perl5303delta.podThird Party Advisory
https://github.com/Perl/perl5/compare/v5.30.2...v5.30.3PatchThird Party Advisory
https://github.com/perl/perl5/commit/0a320d753fe7fca03df259a4dfd8e641e51edaa8PatchThird Party Advisory
https://github.com/perl/perl5/commit/3295b48defa0f8570114877b063fe546dd348b3cPatchThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IN3TTBO5KSGWE5IRIKDJ5JSQRH7ANNXE/
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