CVE-2015-8853
UnknownEPSS 2.55%
Last modified
CVE-2015-8853 is a vulnerability of currently unknown severity. 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.". EPSS estimates a 2.55% chance of exploitation in the next 30 days.
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."
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Fedoraproject | Fedora | 22 |
| Perl | Perl | <= 5.23.9 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2015-8853?
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 severe is CVE-2015-8853?
Severity scoring for CVE-2015-8853 is pending analysis. The EPSS model estimates a 2.55% probability of exploitation in the next 30 days.
How do I fix CVE-2015-8853?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2015-8853?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST