DEBIAN-CVE-2017-12883
Advisory lineage Upstream: 1 Downstream: 1
Upstream
Downstream
Published: 19 Sept 2017, 18:29
Last modified:28 Apr 2026, 20:16
Vulnerability Summary
Overall Risk (default)
high
70/100 CVSS Score
9.1 CRITICAL
3.0 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
19 Sept 2017, 18:29
Published
Vulnerability first disclosed
28 Apr 2026, 20:16
Last Modified
Vulnerability information updated
Description
Buffer overflow in the S_grok_bslash_N function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to disclose sensitive information or cause a denial of service (application crash) via a crafted regular expression with an invalid '\N{U+...}' escape.
CVSS Metrics
- v3.0•CRITICAL•Score: 9.1CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Affected Systems
- debian•perl
< 5.26.0-8 | < 5.26.0-8 | < 5.26.0-8 | < 5.26.0-8