CVE-2015-8853
7.5
HIGH
CVSS 3.1
EPSS 2.6%
Description
The (1) S_reghop3, (2) S_reghop4, and (3) S_reghopmaybe3 functions in regexec.c in Perl before 5.24.0 allow context-dependent attackers to cause a denial of service (infinite loop) via crafted utf-8 data, as demonstrated by "a\x80."
How to fix CVE-2015-8853
To remediate CVE-2015-8853, upgrade the affected package to a fixed version below.
- Debian/perl—upgrade to 5.22.1-1 or later
Is CVE-2015-8853 being exploited?
Low — EPSS is 2.6%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 5.22.1-1
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 |