VDB
CVE-2015-2327
CVE-2015-2327
PUBLISHED
PCRE before 8.36 mishandles the /(((a\2)|(a*)\g<-1>))*/ pattern and related patterns with certain internal recursive back references, which allows remote attackers to cause a denial of service (segmentation fault) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.
EPSS 2.82% · 86.4th percentile
Risk Scores
EPSS Score
2.82%
86.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:14.04:LTS | pcre3 | 0, 1:8.31-2, * |
Exploit Intelligence
- http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup (vulncheck-nvd)
- https://bugs.exim.org/show_bug.cgi?id=1503 (vulncheck-nvd)
- react2shell_backdoor.yar (github-yara)
- react2shell_backdoor.yar (github-yara)
- react2shell_backdoor.yar (github-yara)
- react2shell_backdoor.yar (github-yara)
- react2shell_backdoor.yar (github-yara)
- react2shell_backdoor.yar (github-yara)
- Detects React2Shell (CVE-2025-55182 / CVE-2025-66478) in React Server Components / Next.js applications using a safe side-channel technique. The script sends a POST multipart/form-data request containing a specially crafted React Flight payload that: - On vulnerable servers triggers a 500 response containing the pattern E{"digest"...} - On patched or non-vulnerable setups does NOT produce this pattern. The script does NOT attempt any code execution nor exploit the vulnerability; it only trigg... (nmap-nse)
- Detects React2Shell (CVE-2025-55182 / CVE-2025-66478) in React Server Components / Next.js applications using a safe side-channel technique. The script sends a POST multipart/form-data request containing a specially crafted React Flight payload that: - On vulnerable servers triggers a 500 response containing the pattern E{"digest"...} - On patched or non-vulnerable setups does NOT produce this pattern. The script does NOT attempt any code execution nor exploit the vulnerability; it only trigg... (nmap-nse)
…and 22 more exploits
Timeline
- Mar 29, 2015 CVE Published
- Jun 28, 2021 PoC Published
- Feb 4, 2022 EPSS Score
- Mar 29, 2022 EPSS Score
- Jul 12, 2022 EPSS Score
- Sep 3, 2022 EPSS Score
- Dec 18, 2022 EPSS Score
- Feb 8, 2023 EPSS Score
- Apr 2, 2023 EPSS Score
- May 13, 2023 EPSS Score
- Jul 16, 2023 EPSS Score
- Sep 7, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2015-2327 third-party-advisory
- https://jira.mongodb.org/browse/SERVER-17252 third-party-advisory
- https://ubuntu.com/security/notices/USN-2943-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2015-2327 third-party-advisory