Perl 5.10.x allows context-dependent attackers to cause a denial of service (NULL pointer…
Priority LOW 34Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
Perl 5.10.x allows context-dependent attackers to cause a denial of service (NULL pointer dereference and application crash) by leveraging an ability to inject arguments into a (1) getpeername, (2) readdir, (3) closedir, (4) getsockname, (5) rewinddir, (6) tell, or (7) telldir function call.
Why it matters now
EPSS 0.08878 95th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Will not fix Red Hat: no fix planned
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 · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:perl:perl:5.10.0:*:*:*:*:*:*:* | 5.10.0 | Vulnerable | Perl |
| cpe:2.3:a:perl:perl:5.10.0:rc1:*:*:*:*:*:* | 5.10.0 rc1 | Vulnerable | Perl |
| cpe:2.3:a:perl:perl:5.10.0:rc2:*:*:*:*:*:* | 5.10.0 rc2 | Vulnerable | Perl |
| cpe:2.3:a:perl:perl:5.10.1:*:*:*:*:*:*:* | 5.10.1 | Vulnerable | Perl |
| cpe:2.3:a:perl:perl:5.10.1:rc1:*:*:*:*:*:* | 5.10.1 rc1 | Vulnerable | Perl |
| cpe:2.3:a:perl:perl:5.10.1:rc2:*:*:*:*:*:* | 5.10.1 rc2 | Vulnerable | Perl |
- cpe:2.3:a:perl:perl:5.10.0:*:*:*:*:*:*:* Versions 5.10.0 Vulnerable ·Perl
- cpe:2.3:a:perl:perl:5.10.0:rc1:*:*:*:*:*:* Versions 5.10.0 rc1 Vulnerable ·Perl
- cpe:2.3:a:perl:perl:5.10.0:rc2:*:*:*:*:*:* Versions 5.10.0 rc2 Vulnerable ·Perl
- cpe:2.3:a:perl:perl:5.10.1:*:*:*:*:*:*:* Versions 5.10.1 Vulnerable ·Perl
- cpe:2.3:a:perl:perl:5.10.1:rc1:*:*:*:*:*:* Versions 5.10.1 rc1 Vulnerable ·Perl
- cpe:2.3:a:perl:perl:5.10.1:rc2:*:*:*:*:*:* Versions 5.10.1 rc2 Vulnerable ·Perl
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
Not affected: 3 products
- Red Hat Enterprise Linux 4
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2011-0761
- 2026-10-03 Alias added: GHSA-mmv5-472c-pf4c
References
Advisory 1
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-2011-0761 · CVE Program
- CVE-2011-0761 · NVD
- FIRST EPSS
- GHSA-mmv5-472c-pf4c · GitHub Advisory Database · CC BY 4.0
- CVE-2011-0761 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences