Integer overflow in the regular expression engine in Perl 5.8.x allows context-dependent…
Priority LOW 27CWE-189Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-189 and the CVSS impact.
Summary
Integer overflow in the regular expression engine in Perl 5.8.x allows context-dependent attackers to cause a denial of service (stack consumption and application crash) by matching a crafted regular expression against a long string.
Why it matters now
EPSS 0.02043 81st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:perl:perl:5.8.1:*:*:*:*:*:*:* | 5.8.1 | Vulnerable | Perl |
| cpe:2.3:a:perl:perl:5.8.2:*:*:*:*:*:*:* | 5.8.2 | Vulnerable | Perl |
| cpe:2.3:a:perl:perl:5.8.3:*:*:*:*:*:*:* | 5.8.3 | Vulnerable | Perl |
| cpe:2.3:a:perl:perl:5.8.4:*:*:*:*:*:*:* | 5.8.4 | Vulnerable | Perl |
| cpe:2.3:a:perl:perl:5.8.5:*:*:*:*:*:*:* | 5.8.5 | Vulnerable | Perl |
| cpe:2.3:a:perl:perl:5.8.6:*:*:*:*:*:*:* | 5.8.6 | Vulnerable | Perl |
| cpe:2.3:a:perl:perl:5.8.7:*:*:*:*:*:*:* | 5.8.7 | Vulnerable | Perl |
| cpe:2.3:a:perl:perl:5.8.8:*:*:*:*:*:*:* | 5.8.8 | Vulnerable | Perl |
| cpe:2.3:a:perl:perl:5.8.9:*:*:*:*:*:*:* | 5.8.9 | Vulnerable | Perl |
- cpe:2.3:a:perl:perl:5.8.1:*:*:*:*:*:*:* Versions 5.8.1 Vulnerable ·Perl
- cpe:2.3:a:perl:perl:5.8.2:*:*:*:*:*:*:* Versions 5.8.2 Vulnerable ·Perl
- cpe:2.3:a:perl:perl:5.8.3:*:*:*:*:*:*:* Versions 5.8.3 Vulnerable ·Perl
- cpe:2.3:a:perl:perl:5.8.4:*:*:*:*:*:*:* Versions 5.8.4 Vulnerable ·Perl
- cpe:2.3:a:perl:perl:5.8.5:*:*:*:*:*:*:* Versions 5.8.5 Vulnerable ·Perl
- cpe:2.3:a:perl:perl:5.8.6:*:*:*:*:*:*:* Versions 5.8.6 Vulnerable ·Perl
- cpe:2.3:a:perl:perl:5.8.7:*:*:*:*:*:*:* Versions 5.8.7 Vulnerable ·Perl
- cpe:2.3:a:perl:perl:5.8.8:*:*:*:*:*:*:* Versions 5.8.8 Vulnerable ·Perl
- cpe:2.3:a:perl:perl:5.8.9:*:*:*:*:*:*:* Versions 5.8.9 Vulnerable ·Perl
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2010-1158
- 2026-10-03 Alias added: GHSA-x7qj-rq8p-vh9r
References
Other 4
- [oss-security] 20100414 Re: CVE Request -- perl v5.8.* -- stack overflow by processing certain regex (Gentoo BTS#313565 / RH BZ#580605)
- [oss-security] 20100408 CVE Request -- perl v5.8.* -- stack overflow by processing certain regex (Gentoo BTS#313565 / RH BZ#580605)
- https://bugzilla.redhat.com/show_bug.cgi?id=580605
- http://perldoc.perl.org/perl5100delta.html
More Perl vulnerabilities
- TI-2022-24100 In Perl 5.34.0, function S_find_uninit_var in sv.c has a stack-based crash that can lead… CVSS 3.1CRITICAL 9.8
- TI-2012-05140 The _compile function in Maketext.pm in the Locale::Maketext implementation in Perl… CVSS 2.0HIGH 7.5
- TI-2018-12932 Perl before 5.26.3 and 5.28.0 before 5.28.1 has a buffer overflow via a crafted regular… CVSS 3.0CRITICAL 9.8
- TI-2018-12931 Perl before 5.26.3 and 5.28.x before 5.28.1 has a buffer overflow via a crafted regular… CVSS 3.0CRITICAL 9.8
- TI-2018-05049 Heap-based buffer overflow in the pack function in Perl before 5.26.2 allows… CVSS 3.0CRITICAL 9.8
- TI-2017-09493 Stack-based buffer overflow in the CPerlHost::Add method in win32/perlhost.h in Perl… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2010-1158 · CVE Program
- CVE-2010-1158 · NVD
- FIRST EPSS
- GHSA-x7qj-rq8p-vh9r · GitHub Advisory Database · CC BY 4.0
- CVE-2010-1158 · Red Hat security data · CC BY 4.0
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