Multiple format string vulnerabilities in the error reporting functionality in the…
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-134 and the CVSS impact.
Summary
Multiple format string vulnerabilities in the error reporting functionality in the YAML::LibYAML (aka YAML-LibYAML and perl-YAML-LibYAML) module 0.38 for Perl allow remote attackers to cause a denial of service (process crash) via format string specifiers in a (1) YAML stream to the Load function, (2) YAML node to the load_node function, (3) YAML mapping to the load_mapping function, or (4) YAML sequence to the load_sequence function.
Why it matters now
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
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2012-1152
- 2026-10-03 Alias added: GHSA-3h7q-h379-g658
References
Advisory 6
Other 6
- [oss-security] 20120309 Re: CVE Request -- libdbd-pg-perl / perl-DBD-Pg && libyaml-libyaml-perl / perl-YAML-LibYAML: Multiple format string flaws
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=661548
- [oss-security] 20120309 CVE Request -- libdbd-pg-perl / perl-DBD-Pg && libyaml-libyaml-perl / perl-YAML-LibYAML: Multiple format string flaws
- https://rt.cpan.org/Public/Bug/Display.html?id=75365
- https://rt.cpan.org/Public/Bug/Display.html?id=46507
- https://bugzilla.redhat.com/show_bug.cgi?id=801738
Sources
- CVE-2012-1152 · CVE Program
- CVE-2012-1152 · NVD
- FIRST EPSS
- GHSA-3h7q-h379-g658 · GitHub Advisory Database · CC BY 4.0
- CVE-2012-1152 · Red Hat security data · CC BY 4.0
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