SARA / Free Tools / CVE / CVE-2023-47038

CVE-2023-47038 — A vulnerability was found in perl 5

A vulnerability was found in perl 5.30.0 through 5.38.0. This issue occurs when a crafted regular expression is compiled by perl, which can allow an attacker controlled byte buffer overflow in a heap allocated buffer.

CVSS
7.0 HIGH
EPSS
0.11% (top 71.20%)
CWE
CWE-122
Published
2023-12-18T13:43:07.713Z
Last modified
2026-01-22T00:06:16.471Z
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

01What is this vulnerability?

A vulnerability was found in perl 5.30.0 through 5.38.0. This issue occurs when a crafted regular expression is compiled by perl, which can allow an attacker controlled byte buffer overflow in a heap allocated buffer.

02Affected products

VendorProductVersions
??5.30.0, 5.36.0, 5.38.0
Red HatRed Hat Enterprise Linux 88100020240314121426.9fe1d287
Red HatRed Hat Enterprise Linux 94:5.32.1-481.el9
Red HatRed Hat Enterprise Linux 6unspecified
Red HatRed Hat Enterprise Linux 7unspecified
Red HatRed Hat Enterprise Linux 8unspecified
Red HatRed Hat Enterprise Linux 8unspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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