CVE-2026-89162

In PCRE2 before 10.48, pcre2_serialize_encode might disclose two bytes to an adversary, typically in a situation where the access available to the adversary is already unsafe.

Database specific

{
    "cna_assigner":  "mitre",
    "cwe_ids":  [
        "CWE-669"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89162.json"
}

References

Affected packages

Git / github.com/pcre2project/pcre2

Affected ranges

Type

GIT

Repo

https://github.com/pcre2project/pcre2

Events

Introduced

2dce7761b1831fd3f82a9c2bd5476259d945da4d

Fixed

7978954dbd2efc6f2196869290553cf1871b4ce6

Introduced

9f3cae1cb4ff2dd1e7fac7ba264cd98403197c36

Last Affected

9f3cae1cb4ff2dd1e7fac7ba264cd98403197c36

Database specific

Show details

{
    "extracted_events":  [
        {
            "cpe":  "cpe:2.3:a:pcre:pcre2:*:*:*:*:*:*:*:*",
            "range":  [
                {
                    "introduced":  "10.45"
                },
                {
                    "fixed":  "10.48"
                }
            ],
            "source":  "CPE_RANGE"
        },
        {
            "cpe":  "cpe:2.3:a:pcre:pcre2:10.48:rc1:*:*:*:*:*:*",
            "range":  [
                {
                    "introduced":  "10.48-rc1"
                },
                {
                    "last_affected":  "10.48-rc1"
                }
            ],
            "source":  "CPE_STRING"
        }
    ]
}

Affected versions

10.*

10.48-rc1

pcre2-10.*

pcre2-10.48-RC1

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-89162.json"