CVE-2015-0273

high

Published 2015-03-30 · Modified 2026-05-06

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

7.5

Description

Multiple use-after-free vulnerabilities in ext/date/php_date.c in PHP before 5.4.38, 5.5.x before 5.5.22, and 5.6.x before 5.6.6 allow remote attackers to execute arbitrary code via crafted serialized input containing a (1) R or (2) r type specifier in (a) DateTimeZone data handled by the php_date_timezone_initialize_from_hash function or (b) DateTime data handled by the php_date_initialize_from_hash function.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Application impact

Vendor	Product	Versions
php	php	`{"endIncluding":"5.4.37"}`
php	php	`5.5.0`
php	php	`5.5.1`
php	php	`5.5.2`
php	php	`5.5.3`
php	php	`5.5.4`
php	php	`5.5.5`
php	php	`5.5.6`
php	php	`5.5.7`
php	php	`5.5.8`
php	php	`5.5.9`
php	php	`5.5.10`
php	php	`5.5.11`
php	php	`5.5.12`
php	php	`5.5.13`
php	php	`5.5.14`
php	php	`5.5.15`
php	php	`5.5.16`
php	php	`5.5.17`
php	php	`5.5.18`
php	php	`5.5.19`
php	php	`5.5.20`
php	php	`5.5.21`
php	php	`5.6.0`
php	php	`5.6.1`
php	php	`5.6.2`
php	php	`5.6.3`
php	php	`5.6.4`
php	php	`5.6.5`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.