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CVE-2018-6797
An issue was discovered in Perl 5.18 through 5.26. A crafted regular expression can cause a heap-based buffer overflow, with control over…
Critical9.8EPSS 6.5%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
An issue was discovered in Perl 5.18 through 5.26. A crafted regular expression can cause a heap-based buffer overflow, with control over the bytes written.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Critical9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 6.5% · top 6.2% of all CVEs (3 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
n/a
- affected n/a
References (8)
- 1042004 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- RHSA-2018:1192 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 1040681 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- USN-3625-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- DSA-4172 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- GLSA-201909-01 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- https://www.oracle.com/security-alerts/cpujul2020.html (opens in a new tab)x_refsource_MISCx_transferred
- https://rt.perl.org/Public/Bug/Display.html?id=132227 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2018-6797)Record last updated .