CVE-2019-11039: Out-of-bounds read in iconv.c

Published May 28, 2019
·
Updated

Fixed bug (Out-of-bounds read in iconv.c:phpiconvmimedecode() due to integer overflow) (CVE-2019-11039).

Other sources

Function iconvmimedecodeheaders() in PHP versions 7.1.x below 7.1.3 ...

Debian

Affected Software

17 affected componentsFixes available
redhat/rh-php71-php<0:7.1.30-1.el7
0:7.1.30-1.el7
redhat/rh-php72-php<0:7.2.24-1.el7
0:7.2.24-1.el7
redhat/PHP<7.1.30
7.1.30
redhat/PHP<7.2.19
7.2.19
redhat/PHP<7.3.6
7.3.6
debian/php5
debian/php7.0
debian/php7.3
PHP PHP<7.1.30
7.1.30
PHP PHP>=7.1.0<7.1.30
PHP PHP>=7.2.0<7.2.19
PHP PHP>=7.3.0<7.3.6
redhat Software Collections=1.0
openSUSE Leap=15.0
openSUSE Leap=15.1
Debian Debian Linux=9.0
Debian Debian Linux=10.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/rh-php71-php to a version that resolves this vulnerability.

    Fixed in 0:7.1.30-1.el7
  2. Upgrade

    Upgrade redhat/rh-php72-php to a version that resolves this vulnerability.

    Fixed in 0:7.2.24-1.el7
  3. Upgrade

    Upgrade redhat/PHP to a version that resolves this vulnerability.

    Fixed in 7.1.30
  4. Upgrade

    Upgrade redhat/PHP to a version that resolves this vulnerability.

    Fixed in 7.2.19
  5. Upgrade

    Upgrade redhat/PHP to a version that resolves this vulnerability.

    Fixed in 7.3.6
  6. Upgrade

    Upgrade PHP to a version that resolves this vulnerability.

    Fixed in 7.1.30
  7. Upgrade

    Upgrade php/iconv to a version that resolves this vulnerability.

    Fixed in 7.1.3
  8. Upgrade

    Upgrade php/iconv to a version that resolves this vulnerability.

    Fixed in 7.1.30
  9. Upgrade

    Upgrade php/iconv to a version that resolves this vulnerability.

    Fixed in 7.2.19
  10. Upgrade

    Upgrade php/iconv to a version that resolves this vulnerability.

    Fixed in 7.3.6
  11. Compensating control

    If immediate patching is not possible, reduce exposure by limiting requests that reach the vulnerable PHP codepath (iconv_mime_decode_headers) until the affected PHP versions are upgraded.

Event History

May 30, 2019
CVE Published
via PHP·12:00 AM
Jun 18, 2019
CVE Published
via MITRE·11:28 PM
Data Sourced
via MITRE·11:28 PM
DescriptionSeverityWeakness
Jun 19, 2019
Data Sourced
via NVD·12:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
Jan 11, 2024
Data Sourced
via Launchpad·11:12 PM
Description
Feb 19, 2026
Data Sourced
via Ubuntu·04:08 PM
RemedyDescriptionSeverityAffected Software
Apr 28, 2026
Data Sourced
via Debian·04:58 PM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the vulnerability ID for this bug?

The vulnerability ID for this bug is CVE-2019-11039.

2

What is the title of this bug?

The title of this bug is 'Fixed bug (Out-of-bounds read in iconv.c:_php_iconv_mime_decode() due to integer overflow)'.

3

What is the severity of CVE-2019-11039?

The severity of CVE-2019-11039 is medium.

4

How does CVE-2019-11039 affect the PHP software?

CVE-2019-11039 affects PHP versions 7.1.x below 7.1.30, 7.2.x below 7.2.19, and 7.3.x below 7.3.6.

5

What is the potential impact of CVE-2019-11039?

The potential impact of CVE-2019-11039 is information disclosure or crash.

6

How can I fix CVE-2019-11039?

To fix CVE-2019-11039, update your PHP software to version 7.1.30, 7.2.19, or 7.3.6.

Contact

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