CVE-2022-48522
CVE-2022-48522 is a critical-severity vulnerability in Perl with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 2% (79th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Perl
- Published:
- Last modified:
Description
In Perl 5.34.0, function S_find_uninit_var in sv.c has a stack-based crash that can lead to remote code execution or local privilege escalation.
Frequently asked questions
- What is CVE-2022-48522?
- In Perl 5.34.0, function S_find_uninit_var in sv.c has a stack-based crash that can lead to remote code execution or local privilege escalation.
- How severe is CVE-2022-48522?
- CVE-2022-48522 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2022-48522 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-48522?
- CVE-2022-48522 affects Perl. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-48522?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2022-48522 published?
- CVE-2022-48522 was published on 2023-08-22 and last updated on 2026-06-17.
References
- https://github.com/Perl/perl5/blob/79a7b254d85a10b65126ad99bf10e70480569d68/sv.c#L16336-L16345
- https://security.netapp.com/advisory/ntap-20230915-0008/
Affected products (1)
- cpe:2.3:a:perl:perl:5.34.0:-:*:*:*:*:*:*
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