Description
Integer overflow in camel-lock-helper in Evolution 2.0.2 and earlier allows local users or remote malicious POP3 servers to execute arbitrary code via a length value of -1, which leads to a zero byte memory allocation and a buffer overflow.
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 14 | evolution | 2.0.3-1.2 | — |
| Debian 13 | evolution | 2.0.3-1.2 | — |
| Debian 12 | evolution | 2.0.3-1.2 | — |
| Debian 3.0 | evolution | 1.0.5-1woody2 | DSA-673-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 4 | evolution +1 | 2.0.2-16 | RHSA-2005:397 |
| RHEL 3 | evolution +1 | 1.4.5-14 | RHSA-2005:238 |
Advisories 3
- RHSA-2005:397 Red Hat Security Advisory: evolution security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2005:238 Red Hat Security Advisory: evolution security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-673-1 evolution - integer overflow Debian Security (DSA / DLA) · Mar 9, 2026
References
- MDKSA-2005:024 vendor-advisory
- oval:org.mitre.oval:def:9616 vdb-entry signature
- CLA-2005:925 vendor-advisory
- GLSA-200501-35 vendor-advisory
- evolution-camellockhelper-bo(19031) vdb-entry
- 1012981 vdb-entry
- USN-69-1 vendor-advisory
- 12354 vdb-entry
- RHSA-2005:238 vendor-advisory
- DSA-673 vendor-advisory
- 13830 third-party-advisory
- RHSA-2005:397 vendor-advisory