Linux · Security advisory · September 11, 2026
RHSA-2026:81522: pcre2 security update
RHSA-2026:81522, released September 11, 2026, fixes 4 CVEs in pcre2 (version 10.44-1.5.el10_2). None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
4
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0035
28th percentile
Priority of the 4 CVEs
Patch now 0
Urgent 0
High 4
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| pcre2 | RHEL 10 | 10.44-1.5.el10_2 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2026-89157 | PCRE2 before 10.48, on 32-bit platforms, has a pcre2_pattern_convert out-of-bounds write when an attacker can provide a large pattern. | 8.2 | 0.0035 | None reported | |
| High | CVE-2026-89156 | PCRE2 before 10.48 has a pcre2_match out-of-bounds read after a JIT fallback when an attacker can provide invalid UTF data. | 8.2 | 0.0029 | None reported | |
| High | CVE-2026-89160 | PCRE2 before 10.48 has a pcre2_match out-of-bounds read during the PCRE2_MATCH_INVALID_UTF matching of an invalid UTF subject. | 8.2 | 0.0027 | None reported | |
| High | CVE-2026-89158 | PCRE2 before 10.48, on 32-bit platforms, has a pcre2_compile_32 integer overflow and resultant out-of-bounds write. | 8.2 | 0.0025 | None reported |
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