CVE-2016-5772: debian debian_linux Double Free
Vulnerability summary
CVE-2016-5772 is a critical (CVSS 9.8) Double Free vulnerability in debian debian_linux. EPSS estimates a 9.67% chance of exploitation in the next 30 days, higher than 95.5% of scored vulnerabilities. 1 public exploit is recorded.
Public exploit (reference, Date unknown)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 8 · Related 4Timeline
- 07-08-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Double free vulnerability in the php_wddx_process_data function in wddx.c in the WDDX extension in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via crafted XML data that is mishandled in a wddx_deserialize call.
CVSS metrics
4 scores · 2 sources · 3 versions- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
9.67%
Chance of exploitation in the next 30 days
Percentile
96%
Versus all other CVEs
30-day change
No change 0.00 pp
From 9.67% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundExploit Reference (bugs.php.net)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Suse3 products
Ubuntu2 products
- php5< 5.5.9+dfsg-1ubuntu4.19
- php7.0< 7.0.8-0ubuntu0.16.04.1
Debian1 product
- debian_linuxEOL8.0
Php1 product
- php< 5.5.37 | ≥ 5.6.0, < 5.6.23 | ≥ 7.0.0, < 7.0.8
5 vendors · 9 products
References
17 links- github.com/php/php-src/commit/a44c89e8af7c2410f4bfc5e097be2a5d0639a60c?w=1X Refsource CONFIRMPatchThird Party Advisory
- lists.apple.com/archives/security-announce/2016/Sep/msg00006.htmlVendor AdvisoryX Refsource APPLEBroken LinkMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-07/msg00004.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-updates/2016-08/msg00003.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- www.openwall.com/lists/oss-security/2016/06/23/4Mailing ListX Refsource MLISTPatchThird Party Advisory
Show all 17 references
- h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731X Refsource CONFIRMThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-08/msg00025.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory