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Vulnerability record · CVE-2020-10878 · published 5 June 2020

CVE-2020-10878: Perl integer overflow vulnerability

Perl · Perl

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.

8.6 CVSS 3.1 High EPSS 4.9% · top 8.2% CWE-190 · Integer overflow
8.6CVSS 3.1 base score, v2 7.5
4.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
17Affected product versions listed by NVD
30References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Affected products

17 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00044.html Mailing ListThird Party Advisory
https://github.com/Perl/perl5/blob/blead/pod/perl5303delta.pod Third Party Advisory
https://github.com/Perl/perl5/compare/v5.30.2...v5.30.3 PatchThird Party Advisory
https://github.com/perl/perl5/commit/0a320d753fe7fca03df259a4dfd8e641e51edaa8 PatchThird Party Advisory
https://github.com/perl/perl5/commit/3295b48defa0f8570114877b063fe546dd348b3c PatchThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IN3TTBO5KSGWE5IRIKDJ5JS
https://security.gentoo.org/glsa/202006-03 Third Party Advisory
https://security.netapp.com/advisory/ntap-20200611-0001/ Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpujan2021.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuoct2020.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html PatchThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00044.html Mailing ListThird Party Advisory
https://github.com/Perl/perl5/blob/blead/pod/perl5303delta.pod Third Party Advisory
https://github.com/Perl/perl5/compare/v5.30.2...v5.30.3 PatchThird Party Advisory
https://github.com/perl/perl5/commit/0a320d753fe7fca03df259a4dfd8e641e51edaa8 PatchThird Party Advisory
https://github.com/perl/perl5/commit/3295b48defa0f8570114877b063fe546dd348b3c PatchThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IN3TTBO5KSGWE5IRIKDJ5JS
https://security.gentoo.org/glsa/202006-03 Third Party Advisory
https://security.netapp.com/advisory/ntap-20200611-0001/ Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpujan2021.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuoct2020.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html PatchThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2020-10878), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.