CVE-2017-8786
9.8
CRITICAL · CVSS 3.0 · EPSS 4.1% (pctl 90)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
pcre2test.c in PCRE2 10.23 allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted regular expression.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 4.07% — more likely to be exploited than 90% of all CVEs |
| Weakness | CWE-119 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2017-05-05 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| pcre | pcre2 |
References
- https://blogs.gentoo.org/ago/2017/04/29/libpcre-heap-based-buffer-overflow-write-in-pcre2test-c/
- https://bugs.exim.org/show_bug.cgi?id=2079
- https://security.gentoo.org/glsa/201710-09
- https://vcs.pcre.org/pcre2?view=revision&revision=696
- https://vcs.pcre.org/pcre2?view=revision&revision=697
- https://blogs.gentoo.org/ago/2017/04/29/libpcre-heap-based-buffer-overflow-write-in-pcre2test-c/
- https://bugs.exim.org/show_bug.cgi?id=2079
- https://security.gentoo.org/glsa/201710-09
- https://vcs.pcre.org/pcre2?view=revision&revision=696
- https://vcs.pcre.org/pcre2?view=revision&revision=697
→ the Explorer · watch your stack · NVD