Description
Integer overflow in the SdnToJulian function in the Calendar extension in PHP before 5.3.6 allows context-dependent attackers to cause a denial of service (application crash) via a large integer in the first argument to the cal_from_jd function.
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 6.0 | php5 | 5.3.3-7+squeeze3 | DSA-2266-1 |
| Debian 5.0 | php5 | 5.2.6.dfsg.1-1+lenny12 | DSA-2266-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | php +25 | 5.3.3-3.el6_1.3 | RHSA-2011:1423 |
| RHEL 5 | php +18 | 5.1.6-27.el5_7.4 | RHSA-2012:0033 |
| RHEL 5 | php53 +20 | 5.3.3-1.el5_7.3 | RHSA-2011:1423 |
| RHEL 4 | php +13 | 4.3.9-3.35 | RHSA-2012:0071 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | php5 | 5.6.28-1.1 | openSUSE-SU-2024:10344-1 |
| openSUSE Tumbleweed | php7 | 7.0.14-1.4 | openSUSE-SU-2024:10290-1 |
| openSUSE Tumbleweed | php8 | 8.0.11-1.1 | openSUSE-SU-2024:11169-1 |
Advisories 7
- RHSA-2011:1423 Red Hat Security Advisory: php53 and php security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2012:0071 Red Hat Security Advisory: php security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2012:0033 Red Hat Security Advisory: php security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-2266-1 php5 - several Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10290-1 apache2-mod_php7-7.0.14-1.4 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10344-1 apache2-mod_php5-5.6.28-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11169-1 php8-8.0.11-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- http://bugs.php.net/bug.php?id=53574
- 46967 vdb-entry
- MDVSA-2011:053 vendor-advisory
- DSA-2266 vendor-advisory
- openSUSE-SU-2012:0426 vendor-advisory
- http://www.php.net/ChangeLog-5.php
- APPLE-SA-2011-10-12-3 vendor-advisory
- 48668 third-party-advisory
- RHSA-2011:1423 vendor-advisory
- MDVSA-2011:052 vendor-advisory
- ADV-2011-0744 vdb-entry
- RHSA-2012:0071 vendor-advisory
- http://support.apple.com/kb/HT5002