Description
PHP through 5.6.27 and 7.x through 7.0.12 mishandles property modification during __wakeup processing, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted serialized data, as demonstrated by Exception::__toString with DateInterval::__wakeup.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 8 | php5 | 5.6.28+dfsg-0+deb8u1 | DSA-3732-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | php7.2 | No fix yet | — |
| Ubuntu Pro 16.04 LTS | php7.0 | No fix yet | — |
| Ubuntu Pro 14.04 LTS | php5 | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | php7 | 7.0.7-35.1 | SUSE-SU-2017:0534-1 |
| SLES 12 SP1 | php7 | 7.0.7-35.1 | SUSE-SU-2017:0534-1 |
| SLES 12 | php7 | 7.0.7-35.1 | SUSE-SU-2017:0534-1 |
Advisories 3
- DSA-3732-1 php5 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2017:0534-1 Security update for php7 SUSE / openSUSE Security Updates · Feb 4, 2026
- VDE-2023-009 ads-tec: Multiple Vulnerabilities in IRF1000, IRF2000 and IRF3000 CERT@VDE · May 8, 2023