CVE-2026-89158
published 2026-09-11CVE-2026-89158: PCRE2 before 10.48, on 32-bit platforms, has a pcre2_compile_32 integer overflow and resultant out-of-bounds write.
PriorityP335medium6.5CVSS 3.1
AVNACHPRNUINSUCNIHAL
EPSS
0.25%
15.8th percentile
PCRE2 before 10.48, on 32-bit platforms, has a pcre2_compile_32 integer overflow and resultant out-of-bounds write.
Affected
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| mariadb_10.11 | mariadb | — | — |
| mariadb_11.8 | mariadb | — | — |
| openshift | ose-rhel-coreos-8 | — | — |
| openshift | ose-rhel-coreos-9 | — | — |
| pcre | pcre2 | < 10.48 | 10.48 |
| pcre | pcre2 | — | — |
| pcre | pcre2 | — | — |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L
vendor_redhat6.5MEDIUM
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VulDB
PCRE PCRE2 up to 10.47 pcre2_compile_32 integer overflow (Nessus ID 367266 / WID-SEC-2026-3334)
vuldb·2026-10-24·CVSS 6.5
CVE-2026-89158 [MEDIUM] PCRE PCRE2 up to 10.47 pcre2_compile_32 integer overflow (Nessus ID 367266 / WID-SEC-2026-3334)
A vulnerability classified as critical has been found in PCRE PCRE2 up to 10.47. This impacts the function pcre2_compile_32. Performing a manipulation results in integer overflow.
This vulnerability is known as CVE-2026-89158. Remote exploitation of the attack is possible. No exploit is available.
It is recommended to upgrade the affected component.
GHSA
PCRE2 before 10.48, on 32-bit platforms, has a pcre2_compile_32 integer overflow and resultant out-of-bounds write.
ghsa_unreviewed·2026-09-11
CVE-2026-89158 [MEDIUM] CWE-190 PCRE2 before 10.48, on 32-bit platforms, has a pcre2_compile_32 integer overflow and resultant out-of-bounds write.
PCRE2 before 10.48, on 32-bit platforms, has a pcre2_compile_32 integer overflow and resultant out-of-bounds write.
Red Hat
PCRE2: PCRE2: Out-of-bounds write via integer overflow on 32-bit platforms
vendor_redhat·2026-09-11·CVSS 6.5
CVE-2026-89158 [MEDIUM] CWE-787 PCRE2: PCRE2: Out-of-bounds write via integer overflow on 32-bit platforms
PCRE2: PCRE2: Out-of-bounds write via integer overflow on 32-bit platforms
A flaw was found in PCRE2. On 32-bit platforms, an integer overflow in the `pcre2_compile_32` function can lead to an out-of-bounds write. This vulnerability could allow a remote attacker to achieve a high integrity impact and a low availability impact, potentially leading to data corruption or denial of service.
Statement: A Moderate impact flaw was found in PCRE2 affecting 32-bit platforms, where an integer overflow in the `pcre2_compile_32` function can lead to an out-of-bounds write. While exploitable over the network without requiring user interaction or privileges, the high attack complexity reduces its overall severity. Successful exploitation could result in high integrity impact, such as data corruption,
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2026-89158 bootc: PCRE2: Out-of-bounds write via integer overflow on 32-bit platforms [fedora-all]
bugzilla·2026-09-11·CVSS 6.5
CVE-2026-89158 [MEDIUM] CVE-2026-89158 bootc: PCRE2: Out-of-bounds write via integer overflow on 32-bit platforms [fedora-all]
CVE-2026-89158 bootc: PCRE2: Out-of-bounds write via integer overflow on 32-bit platforms [fedora-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
PCRE2 before 10.48, on 32-bit platforms, has a pcre2_compile_32 integer overflow and resultant out-of-bounds write.
Bugzilla
CVE-2026-89158 fish: PCRE2: Out-of-bounds write via integer overflow on 32-bit platforms [epel-all]
bugzilla·2026-09-11·CVSS 6.5
CVE-2026-89158 [MEDIUM] CVE-2026-89158 fish: PCRE2: Out-of-bounds write via integer overflow on 32-bit platforms [epel-all]
CVE-2026-89158 fish: PCRE2: Out-of-bounds write via integer overflow on 32-bit platforms [epel-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
PCRE2 before 10.48, on 32-bit platforms, has a pcre2_compile_32 integer overflow and resultant out-of-bounds write.
Bugzilla
CVE-2026-89158 pcre2: PCRE2: Out-of-bounds write via integer overflow on 32-bit platforms [fedora-all]
bugzilla·2026-09-11·CVSS 6.5
CVE-2026-89158 [MEDIUM] CVE-2026-89158 pcre2: PCRE2: Out-of-bounds write via integer overflow on 32-bit platforms [fedora-all]
CVE-2026-89158 pcre2: PCRE2: Out-of-bounds write via integer overflow on 32-bit platforms [fedora-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
PCRE2 before 10.48, on 32-bit platforms, has a pcre2_compile_32 integer overflow and resultant out-of-bounds write.
Bugzilla
CVE-2026-89158 mingw-pcre2: PCRE2: Out-of-bounds write via integer overflow on 32-bit platforms [fedora-all]
bugzilla·2026-09-11·CVSS 6.5
CVE-2026-89158 [MEDIUM] CVE-2026-89158 mingw-pcre2: PCRE2: Out-of-bounds write via integer overflow on 32-bit platforms [fedora-all]
CVE-2026-89158 mingw-pcre2: PCRE2: Out-of-bounds write via integer overflow on 32-bit platforms [fedora-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
PCRE2 before 10.48, on 32-bit platforms, has a pcre2_compile_32 integer overflow and resultant out-of-bounds write.
Bugzilla
CVE-2026-89158 fish: PCRE2: Out-of-bounds write via integer overflow on 32-bit platforms [fedora-all]
bugzilla·2026-09-11·CVSS 6.5
CVE-2026-89158 [MEDIUM] CVE-2026-89158 fish: PCRE2: Out-of-bounds write via integer overflow on 32-bit platforms [fedora-all]
CVE-2026-89158 fish: PCRE2: Out-of-bounds write via integer overflow on 32-bit platforms [fedora-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
PCRE2 before 10.48, on 32-bit platforms, has a pcre2_compile_32 integer overflow and resultant out-of-bounds write.
Bugzilla
CVE-2026-89158 PCRE2: PCRE2: Out-of-bounds write via integer overflow on 32-bit platforms
bugzilla·2026-09-11·CVSS 6.5
CVE-2026-89158 [MEDIUM] CVE-2026-89158 PCRE2: PCRE2: Out-of-bounds write via integer overflow on 32-bit platforms
CVE-2026-89158 PCRE2: PCRE2: Out-of-bounds write via integer overflow on 32-bit platforms
PCRE2 before 10.48, on 32-bit platforms, has a pcre2_compile_32 integer overflow and resultant out-of-bounds write.
2026-09-11
Published