CVE-2026-89160
Quick assessment
Affected
PCRE PCRE2
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
PCRE2 在 10.48 之前的版本中，在对无效的 UTF 主题执行 匹配时， 函数会发生越界读取（out-of-bounds read）。
Possible ATT&CK Techniques 3 AI
T1069 · Permission Groups Discovery T1203 · Exploitation for Client Execution T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-89160
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
PCRE2 before 10.48 has a pcre2_match out-of-bounds read during the PCRE2_MATCH_INVALID_UTF matching of an invalid UTF subject.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-89160
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Vendor Advisories for CVE-2026-89160 (1)
Vendor Pages for CVE-2026-89160 (1)
Same Patch Batch · PCRE · 2026-09-11 · 6 CVEs total
| CVE-2026-89161 | 7.4 HIGH | PCRE2 10.48前 pcre2_jit_match 内存错误 |
| CVE-2026-89158 | 6.5 MEDIUM | PCRE2 10.48前32位整数溢出越界写 |
| CVE-2026-89157 | 5.7 MEDIUM | PCRE2 10.48 32位平台越界写漏洞 |
| CVE-2026-89156 | 2.9 LOW | PCRE2 10.48 前 JIT 回退致越界读 |
| CVE-2026-89162 | 2.9 LOW | PCRE2 10.48之前信息泄露漏洞 |
IV. Related Vulnerabilities
Same weakness: CWE-125
-
CVE-2026-13326
Out-of-bounds read and integer underflow vulnerability in QN -
CVE-2026-89156
PCRE2 10.48 前 JIT 回退致越界读 -
CVE-2026-16172
Netskope Endpoint DLP Service Out-of-Bounds Read Leading to -
CVE-2026-49837
GoBGP: BGP OPEN capability parser may read capability values -
CVE-2026-88054
Tesseract: Denial of service via empty-stack dereference in
V. Comments for CVE-2026-89160
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