How severe is CVE-2010-1862?

CVE-2010-1862 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2010-1862 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-1862?

CVE-2010-1862 primarily affects Php. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-1862?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2010-1862 published?

CVE-2010-1862 was published on 2010-05-07 and last updated on 2026-06-16.

CVE-2010-1862

CVE-2010-1862 is a medium-severity vulnerability in Php with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Php
Published: 2010-05-07
Last modified: 2026-06-16

Description

The chunk_split function in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allows context-dependent attackers to obtain sensitive information (memory contents) by causing a userspace interruption of an internal function, related to the call time pass by reference feature.

Frequently asked questions

What is CVE-2010-1862?: The chunk_split function in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allows context-dependent attackers to obtain sensitive information (memory contents) by causing a userspace interruption of an internal function, related to the call time pass by reference feature.
How severe is CVE-2010-1862?: CVE-2010-1862 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2010-1862 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-1862?: CVE-2010-1862 primarily affects Php. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-1862?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-1862 published?: CVE-2010-1862 was published on 2010-05-07 and last updated on 2026-06-16.

References

Affected products (16)

cpe:2.3:a:php:php:5.2.0:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.2.1:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.2.2:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.2.3:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.2.4:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.2.5:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.2.6:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.2.8:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.2.9:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.2.10:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.2.11:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.2.12:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.2.13:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.3.0:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.3.1:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.3.2:*:*:*:*:*:*:*

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Threat intelligence

Threat-intel indicators referencing this CVE:

82.199.197.245 (ipv4-addr)
58.221.244.34 (ipv4-addr)
121.164.135.251 (ipv4-addr)
76.133.97.153 (ipv4-addr)
223.82.97.51 (ipv4-addr)
183.6.115.88 (ipv4-addr)
171.100.156.38 (ipv4-addr)
116.232.75.154 (ipv4-addr)