CVE-2016-6292

CVE-2016-6292 is a medium-severity vulnerability in Php with a CVSS 3.x base score of 6.5. 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-476.

Key facts

• Severity: Medium (CVSS 3.x base score 6.5)
• CVSS v2: 4.3
• EPSS exploit prediction: 4% (89th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-476
• Affected product: Php
• Published: 2016-07-25
• Last modified: 2026-06-17

Description

The exif_process_user_comment function in ext/exif/exif.c in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted JPEG image.

Frequently asked questions

What is CVE-2016-6292?

The exif_process_user_comment function in ext/exif/exif.c in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted JPEG image.

How severe is CVE-2016-6292?

CVE-2016-6292 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2016-6292 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-6292?

CVE-2016-6292 primarily affects Php. In total, 40 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-6292?

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

When was CVE-2016-6292 published?

CVE-2016-6292 was published on 2016-07-25 and last updated on 2026-06-17.

References

• http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=41131cd41d2fd2e0c2f332a27988df75659c42e4
• http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html
• http://openwall.com/lists/oss-security/2016/07/24/2
• http://php.net/ChangeLog-5.php
• http://php.net/ChangeLog-7.php
• http://rhn.redhat.com/errata/RHSA-2016-2750.html
• http://www.debian.org/security/2016/dsa-3631
• http://www.securityfocus.com/bid/92078
• http://www.securitytracker.com/id/1036430
• https://bugs.php.net/72618
• https://security.gentoo.org/glsa/201611-22
• https://support.apple.com/HT207170

Affected products (40)

• cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.0:alpha1:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.0:alpha2:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.0:alpha3:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.0:alpha4:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.0:alpha5:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.0:beta1:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.0:beta2:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.0:beta3:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.0:beta4:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.1:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.2:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.3:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.4:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.5:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.6:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.7:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.8:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.9:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.10:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.11:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.12:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.13:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.14:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.15:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.16:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.17:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.18:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.19:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.20:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.21:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.22:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.6.23:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:7.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:7.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:7.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:7.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:7.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:7.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:7.0.8:*:*:*:*:*:*:*

More vulnerabilities in Php

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• CVE-2011-3268 — Critical (CVSS 10.0): Buffer overflow in the crypt function in PHP before 5.3.7 allows context-dependent attackers to have an unspecified…
• CVE-2009-4143 — Critical (CVSS 10.0): PHP before 5.2.12 does not properly handle session data, which has unspecified impact and attack vectors related to (1)…
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All CVEs affecting Php →

Other CWE-476 (NULL Pointer Dereference) vulnerabilities

• CVE-2022-36648 — Critical (CVSS 10.0): The hardware emulation in the of_dpa_cmd_add_l2_flood of rocker device model in QEMU, as used in 7.0.0 and earlier,…
• CVE-2020-14500 — Critical (CVSS 10.0): Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.
• CVE-2010-2495 — Critical (CVSS 10.0): The pppol2tp_xmit function in drivers/net/pppol2tp.c in the L2TP implementation in the Linux kernel before 2.6.34 does…
• CVE-2026-46195 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: validate dacloffset before building…
• CVE-2026-31657 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: batman-adv: hold claim backbone gateways by…
• CVE-2026-31436 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix possible wrong descriptor…

Browse all CWE-476 (NULL Pointer Dereference) vulnerabilities →

Threat intelligence

Threat-intel indicators referencing this CVE:

• 45.84.120.3 (ipv4-addr)
• 79.137.34.248 (ipv4-addr)
• 221.161.235.168 (ipv4-addr)
• 200.196.50.91 (ipv4-addr)
• 187.51.208.158 (ipv4-addr)
• 187.141.71.166 (ipv4-addr)
• 187.110.238.50 (ipv4-addr)
• 113.164.66.10 (ipv4-addr)