CVE-2017-12837
HIGH7.5EPSS 2.4%perl - security update
Published: 9/19/2017Modified: 4/28/2026
Description
Heap-based buffer overflow in the S_regatom 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 cause a denial of service (out-of-bounds write) via a regular expression with a '\N{}' escape and the case-insensitive modifier.
Affected packages (3)
- Alpine/perlfrom 0, < 5.26.1-r0
- Debian/perlfrom 0, < 5.26.0-8
- Debian/perlfrom 0, < 5.20.2-3+deb8u9
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |