CVE-2015-8853

moderate-risk
Published 2016-05-25

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."

Do I need to act?

!
14.0% chance of exploitation in next 30 days
EPSS score — higher than 86% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

45
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 12/34 · Low
Exposure 7/34 · Low