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CVE-2016-7134

ext/curl/interface.c in PHP 7.x before 7.0.10 does not work around a libcurl integer overflow,...

9.8 CriticalFix available

ext/curl/interface.c in PHP 7.x before 7.0.10 does not work around a libcurl integer overflow, which allows remote attackers to cause a denial of service (allocation error and heap-based buffer overflow) or possibly have unspecified other impact via a long string that is mishandled in a curl_escape call.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

4.85%Up 3.5 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 9.8

ext/curl/interface.c in PHP 7.x before 7.0.10 does not work around a libcurl integer overflow, which allows remote attackers to cause a denial of service (allocation error and heap-based buffer overflow) or possibly have unspecified other impact via a long string that is mishandled in a curl_escape call.

Record
CVE-2016-7134
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-119
Updated
2026-11-02
CVE List No score

ext/curl/interface.c in PHP 7.x before 7.0.10 does not work around a libcurl integer overflow, which allows remote attackers to cause a denial of service (allocation error and heap-based buffer overflow) or possibly have unspecified other impact via a long string that is mishandled in a curl_escape call.

Record
CVE-2016-7134
Updated
2026-11-02
EUVDEUVD-2016-8012 No score

ext/curl/interface.c in PHP 7.x before 7.0.10 does not work around a libcurl integer overflow, which allows remote attackers to cause a denial of service (allocation error and heap-based buffer overflow) or possibly have unspecified other impact via a long string that is mishandled in a curl_escape call.

Record
EUVD-2016-8012
Updated
2026-11-03
GitHub AdvisoriesGHSA-g87h-p2c5-jfxw 9.8

ext/curl/interface.c in PHP 7.x before 7.0.10 does not work around a libcurl integer overflow,...

ext/curl/interface.c in PHP 7.x before 7.0.10 does not work around a libcurl integer overflow, which allows remote attackers to cause a denial of service (allocation error and heap-based buffer overflow) or possibly have unspecified other impact via a long string that is mishandled in a curl_escape call.

Record
GHSA-g87h-p2c5-jfxw
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-119
Updated
2026-11-02
OSV 9.8

ext/curl/interface.c in PHP 7.x before 7.0.10 does not work around a libcurl integer overflow, which allows remote attackers to cause a denial of service (allocation error and heap-based buffer overflow) or possibly have unspecified other impact via a long string that is mishandled in a curl_escape call.

Record
CVE-2016-7134
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2016-7134 9.8

ext/curl/interface.c in PHP 7.x before 7.0.10 does not work around a libcurl integer overflow, which allows remote attackers to cause a denial of service (allocation error and heap-based buffer overflow) or possibly have unspecified other impact via a long string that is mishandled in a curl_escape call.

Record
UBUNTU-CVE-2016-7134
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
Show 4 moreShow less
OSVSUSE-SU-2016:2408-1 No score

Security update for php5

This update for php5 fixes the following security issues:

  • CVE-2016-6128: Invalid color index not properly handled [bsc#987580]
  • CVE-2016-6161: global out of bounds read when encoding gif from malformed input withgd2togif [bsc#988032]
  • CVE-2016-6292: Null pointer dereference in exif_process_user_comment [bsc#991422]
  • CVE-2016-6295: Use after free in SNMP with GC and unserialize() [bsc#991424]
  • CVE-2016-6297: Stack-based buffer overflow vulnerability in php_stream_zip_opener [bsc#991426]
  • CVE-2016-6291: Out-of-bounds access in exif_process_IFD_in_MAKERNOTE [bsc#991427]
  • CVE-2016-6289: Integer overflow leads to buffer overflow in virtual_file_ex [bsc#991428]
  • CVE-2016-6290: Use after free in unserialize() with Unexpected Session Deserialization [bsc#991429]
  • CVE-2016-5399: Improper error handling in bzread() [bsc#991430]
  • CVE-2016-6296: Heap buffer overflow vulnerability in simplestring_addn in simplestring.c [bsc#991437]
  • CVE-2016-6207: Integer overflow error within _gdContributionsAlloc() [bsc#991434]
  • CVE-2014-3587: Integer overflow in the cdf_read_property_info affecting SLES11 SP3 [bsc#987530]
  • CVE-2016-6288: Buffer over-read in php_url_parse_ex [bsc#991433]
  • CVE-2016-7124: Create an Unexpected Object and Don't Invoke __wakeup() in Deserialization
  • CVE-2016-7125: PHP Session Data Injection Vulnerability
  • CVE-2016-7126: select_colors write out-of-bounds
  • CVE-2016-7127: imagegammacorrect allowed arbitrary write access
  • CVE-2016-7128: Memory Leakage In exif_process_IFD_in_TIFF
  • CVE-2016-7129: wddx_deserialize allowed illegal memory access
  • CVE-2016-7130: wddx_deserialize null dereference
  • CVE-2016-7131: wddx_deserialize null dereference with invalid xml
  • CVE-2016-7132: wddx_deserialize null dereference in php_wddx_pop_element
  • CVE-2016-7134: Heap overflow in the function curl_escape
Record
SUSE-SU-2016:2408-1
Updated
2026-11-02
OSVSUSE-SU-2016:2460-1 No score

Security update for php7

This update for php7 fixes the following security issues:

  • CVE-2016-6128: Invalid color index not properly handled [bsc#987580]
  • CVE-2016-6161: global out of bounds read when encoding gif from malformed input withgd2togif [bsc#988032]
  • CVE-2016-6292: Null pointer dereference in exif_process_user_comment [bsc#991422]
  • CVE-2016-6295: Use after free in SNMP with GC and unserialize() [bsc#991424]
  • CVE-2016-6297: Stack-based buffer overflow vulnerability in php_stream_zip_opener [bsc#991426]
  • CVE-2016-6291: Out-of-bounds access in exif_process_IFD_in_MAKERNOTE [bsc#991427]
  • CVE-2016-6289: Integer overflow leads to buffer overflow in virtual_file_ex [bsc#991428]
  • CVE-2016-6290: Use after free in unserialize() with Unexpected Session Deserialization [bsc#991429]
  • CVE-2016-5399: Improper error handling in bzread() [bsc#991430]
  • CVE-2016-6296: Heap buffer overflow vulnerability in simplestring_addn in simplestring.c [bsc#991437]
  • CVE-2016-6207: Integer overflow error within _gdContributionsAlloc() [bsc#991434]
  • CVE-2016-4473: Invalid free() instead of efree() in phar_extract_file()
  • CVE-2016-7124: Create an Unexpected Object and Don't Invoke __wakeup() in Deserialization
  • CVE-2016-7125: PHP Session Data Injection Vulnerability
  • CVE-2016-7126: select_colors write out-of-bounds
  • CVE-2016-7127: imagegammacorrect allowed arbitrary write access
  • CVE-2016-7128: Memory Leakage In exif_process_IFD_in_TIFF
  • CVE-2016-7129: wddx_deserialize allowed illegal memory access
  • CVE-2016-7131: wddx_deserialize null dereference with invalid xml
  • CVE-2016-7132: wddx_deserialize null dereference in php_wddx_pop_element
  • CVE-2016-7133: memory allocator fails to realloc small block to large one
  • CVE-2016-7134: Heap overflow in the function curl_escape
  • CVE-2016-7130: wddx_deserialize null dereference
  • CVE-2016-7413: Use after free in wddx_deserialize
  • CVE-2016-7412: Heap overflow in mysqlnd when not receiving UNSIGNED_FLAG in BIT field
  • CVE-2016-7417: Missing type check when unserializing SplArray
  • CVE-2016-7416: Stack based buffer overflow in msgfmt_format_message
  • CVE-2016-7418: Null pointer dereference in php_wddx_push_element
  • CVE-2016-7414: Out of bounds heap read when verifying signature of zip phar in phar_parse_zipfile
Record
SUSE-SU-2016:2460-1
Updated
2026-11-02
OSVSUSE-SU-2016:2460-2 No score

Security update for php7

This update for php7 fixes the following security issues:

  • CVE-2016-6128: Invalid color index not properly handled [bsc#987580]
  • CVE-2016-6161: global out of bounds read when encoding gif from malformed input withgd2togif [bsc#988032]
  • CVE-2016-6292: Null pointer dereference in exif_process_user_comment [bsc#991422]
  • CVE-2016-6295: Use after free in SNMP with GC and unserialize() [bsc#991424]
  • CVE-2016-6297: Stack-based buffer overflow vulnerability in php_stream_zip_opener [bsc#991426]
  • CVE-2016-6291: Out-of-bounds access in exif_process_IFD_in_MAKERNOTE [bsc#991427]
  • CVE-2016-6289: Integer overflow leads to buffer overflow in virtual_file_ex [bsc#991428]
  • CVE-2016-6290: Use after free in unserialize() with Unexpected Session Deserialization [bsc#991429]
  • CVE-2016-5399: Improper error handling in bzread() [bsc#991430]
  • CVE-2016-6296: Heap buffer overflow vulnerability in simplestring_addn in simplestring.c [bsc#991437]
  • CVE-2016-6207: Integer overflow error within _gdContributionsAlloc() [bsc#991434]
  • CVE-2016-4473: Invalid free() instead of efree() in phar_extract_file()
  • CVE-2016-7124: Create an Unexpected Object and Don't Invoke __wakeup() in Deserialization
  • CVE-2016-7125: PHP Session Data Injection Vulnerability
  • CVE-2016-7126: select_colors write out-of-bounds
  • CVE-2016-7127: imagegammacorrect allowed arbitrary write access
  • CVE-2016-7128: Memory Leakage In exif_process_IFD_in_TIFF
  • CVE-2016-7129: wddx_deserialize allowed illegal memory access
  • CVE-2016-7131: wddx_deserialize null dereference with invalid xml
  • CVE-2016-7132: wddx_deserialize null dereference in php_wddx_pop_element
  • CVE-2016-7133: memory allocator fails to realloc small block to large one
  • CVE-2016-7134: Heap overflow in the function curl_escape
  • CVE-2016-7130: wddx_deserialize null dereference
  • CVE-2016-7413: Use after free in wddx_deserialize
  • CVE-2016-7412: Heap overflow in mysqlnd when not receiving UNSIGNED_FLAG in BIT field
  • CVE-2016-7417: Missing type check when unserializing SplArray
  • CVE-2016-7416: Stack based buffer overflow in msgfmt_format_message
  • CVE-2016-7418: Null pointer dereference in php_wddx_push_element
  • CVE-2016-7414: Out of bounds heap read when verifying signature of zip phar in phar_parse_zipfile
Record
SUSE-SU-2016:2460-2
Updated
2026-11-02
OSVUSN-3095-1 No score

php5, php7.0 vulnerabilities

Taoguang Chen discovered that PHP incorrectly handled certain invalid objects when unserializing data. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-7124)

Taoguang Chen discovered that PHP incorrectly handled invalid session names. A remote attacker could use this issue to inject arbitrary session data. (CVE-2016-7125)

It was discovered that PHP incorrectly handled certain gamma values in the imagegammacorrect function. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-7127)

It was discovered that PHP incorrectly handled certain crafted TIFF image thumbnails. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly expose sensitive information. (CVE-2016-7128)

It was discovered that PHP incorrectly handled unserializing certain wddxPacket XML documents. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-7129, CVE-2016-7130, CVE-2016-7131, CVE-2016-7132, CVE-2016-7413)

It was discovered that PHP incorrectly handled certain memory operations. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-7133)

It was discovered that PHP incorrectly handled long strings in curl_escape calls. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-7134)

Taoguang Chen discovered that PHP incorrectly handled certain failures when unserializing data. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2016-7411)

It was discovered that PHP incorrectly handled certain flags in the MySQL driver. Malicious remote MySQL servers could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-7412)

It was discovered that PHP incorrectly handled ZIP file signature verification when processing a PHAR archive. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-7414)

It was discovered that PHP incorrectly handled certain locale operations. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-7416)

It was discovered that PHP incorrectly handled SplArray unserializing. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-7417)

Ke Liu discovered that PHP incorrectly handled unserializing wddxPacket XML documents with incorrect boolean elements. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-7418)

Record
USN-3095-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
php5
SUSE:Linux Enterprise Module for Web and Scripting 12
 before 5.5.14-73.1
5.5.14-73.1
php5
SUSE:Linux Enterprise Software Development Kit 12 SP1
 before 5.5.14-73.1
5.5.14-73.1
php7
SUSE:Linux Enterprise Module for Web and Scripting 12
 before 7.0.7-15.1
7.0.7-15.1
php7
SUSE:Linux Enterprise Software Development Kit 12 SP1
 before 7.0.7-15.1
7.0.7-15.1
php7.0
Ubuntu:16.04:LTS
 before 7.0.8-0ubuntu0.16.04.3, plus listed versions
7.0.1-57.0.1-67.0.2-17.0.2-37.0.2-4
Show 11 moreShow less
7.0.2-57.0.3-27.0.3-37.0.3-9ubuntu17.0.4-5ubuntu17.0.4-5ubuntu27.0.4-7ubuntu17.0.4-7ubuntu27.0.4-7ubuntu2.17.0.8-0ubuntu0.16.04.17.0.8-0ubuntu0.16.04.2
7.0.8-0ubuntu0.16.04.3
php5
Ubuntu:14.04:LTS
 before 5.5.9+dfsg-1ubuntu4.20, plus listed versions
5.5.3+dfsg-1ubuntu25.5.3+dfsg-1ubuntu35.5.6+dfsg-1ubuntu15.5.6+dfsg-1ubuntu25.5.8+dfsg-2ubuntu1
Show 19 moreShow less
5.5.9+dfsg-1ubuntu15.5.9+dfsg-1ubuntu25.5.9+dfsg-1ubuntu35.5.9+dfsg-1ubuntu45.5.9+dfsg-1ubuntu4.15.5.9+dfsg-1ubuntu4.25.5.9+dfsg-1ubuntu4.35.5.9+dfsg-1ubuntu4.45.5.9+dfsg-1ubuntu4.55.5.9+dfsg-1ubuntu4.65.5.9+dfsg-1ubuntu4.75.5.9+dfsg-1ubuntu4.95.5.9+dfsg-1ubuntu4.115.5.9+dfsg-1ubuntu4.125.5.9+dfsg-1ubuntu4.135.5.9+dfsg-1ubuntu4.145.5.9+dfsg-1ubuntu4.165.5.9+dfsg-1ubuntu4.175.5.9+dfsg-1ubuntu4.19
5.5.9+dfsg-1ubuntu4.20

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2016-7134 is a critical vulnerability (CVSS 9.8) in Php, published September 11, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.85%, the 92nd percentile. Fixed in php5 5.5.14-73.1.

References

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