perl-dbi: Stack corruption on callbacks
Published Sep 11, 2020
5.7
MEDIUMCVSS 3.1
EPSS 2.66%
Description
An issue was discovered in the DBI module before 1.628 for Perl. Stack corruption occurs when a user-defined function requires a non-trivial amount of memory and the Perl stack gets reallocated.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
perl-DBI
Out of support scope
Red Hat Enterprise Linux 6
perl-DBI
Out of support scope
Red Hat Enterprise Linux 7
perl-DBI
Fix deferred
Red Hat Enterprise Linux 8
perl-DBI
Not affected
Red Hat Software Collections
rh-perl526-perl-DBI
Not affected
Red Hat Software Collections
rh-perl530-perl-DBI
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | perl-DBI | Out of support scope | n/a |
| Red Hat Enterprise Linux 6 | perl-DBI | Out of support scope | n/a |
| Red Hat Enterprise Linux 7 | perl-DBI | Fix deferred | n/a |
| Red Hat Enterprise Linux 8 | perl-DBI | Not affected | n/a |
| Red Hat Software Collections | rh-perl526-perl-DBI | Not affected | n/a |
| Red Hat Software Collections | rh-perl530-perl-DBI | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
perl-DBI as shipped in Red Hat Enterprise Linux 8, rhscl-3 rh-perl526-perl-DBI and rhscl-3 rh-perl530-perl-DBI are notaffected by this flaw as the vulnerable code has already been patched in versions of perl-DBI shipped in these products.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
1 other source (Red Hat) ▾
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.66% (0.02656) | 85.14th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.66% (0.02656) | 83.65th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.40% (0.00397) | 58.35th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.23% (0.00234) | 62.32th | v3 (v2023.03.01) |
| May 28, 2023 | 0.23% (0.00234) | 60.03th | v3 (v2023.03.01) |
| May 8, 2023 | 0.21% (0.00205) | 56.96th | v3 (v2023.03.01) |
| Apr 18, 2023 | 0.14% (0.00145) | 48.98th | v3 (v2023.03.01) |
| Mar 23, 2023 | 0.12% (0.00123) | 44.95th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.10% (0.00105) | 41.21th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00954) | 36.37th | v2 (v2022.01.01) |
| Sep 2, 2022 | 0.95% (0.00954) | 34.50th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00954) | 32.50th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00954) | 16.28th | v2 (v2022.01.01) |
References (7)
- https://access.redhat.com/security/cve/CVE-2013-7491 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1877447 Issue Tracking
- https://github.com/perl5-dbi/dbi/commit/401f1221311c71f760e21c98772f0f7e3cbead1d x_refsource_MISCPatchThird Party Advisory
- https://metacpan.org/pod/distribution/DBI/Changes#Changes-in-DBI-1.628-22nd-July-2013 x_refsource_MISCRelease Notes
- https://nvd.nist.gov/vuln/detail/CVE-2013-7491
- https://rt.cpan.org/Public/Bug/Display.html?id=85562 x_refsource_MISCThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2013-7491
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2013-7491 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1877447 | Issue Tracking | |
| https://github.com/perl5-dbi/dbi/commit/401f1221311c71f760e21c98772f0f7e3cbead1d | x_refsource_MISCPatchThird Party Advisory | |
| https://metacpan.org/pod/distribution/DBI/Changes#Changes-in-DBI-1.628-22nd-July-2013 | x_refsource_MISCRelease Notes | |
| https://nvd.nist.gov/vuln/detail/CVE-2013-7491 | ||
| https://rt.cpan.org/Public/Bug/Display.html?id=85562 | x_refsource_MISCThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2013-7491 |
Change history (0)
No recorded changes yet.