libmail-spf-xs-perl: Stack buffer overflow in libspf2 versions below 1.2.11 when processing certain SPF macros can lead to Denial of servi...
CVE-2021-20314 is fixed in 3 products on 1 platform, first by libmail-spf-xs-perl 1.2.10-7ubuntu0.18.04.1~esm1, released January 19, 2022. It is not reported as exploited. Patch Radar priority: Routine.
Stack buffer overflow in libspf2 versions below 1.2.11 when processing certain SPF macros can lead to Denial of service and potentially code execution via malicious crafted SPF explanation messages.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libmail-spf-xs-perl · Ubuntu 18.04.6 LTS (bionic) | 1.2.10-7ubuntu0.18.04.1~esm1 | libmail-spf-xs-perl 1.2.10-7ubuntu0.18.04.1~esm1 | Jan 19, 2022 |
| libmail-spf-xs-perl · Ubuntu 20.04 LTS (focal) | 1.2.10-7+deb9u2build0.20.04.1 | libmail-spf-xs-perl 1.2.10-7+deb9u2build0.20.04.1 | Jan 19, 2022 |
| libspf2-2 · Ubuntu 18.04.6 LTS (bionic) | 1.2.10-7ubuntu0.18.04.1~esm1 | libspf2-2 1.2.10-7ubuntu0.18.04.1~esm1 | Jan 19, 2022 |
| libspf2-2 · Ubuntu 20.04 LTS (focal) | 1.2.10-7+deb9u2build0.20.04.1 | libspf2-2 1.2.10-7+deb9u2build0.20.04.1 | Jan 19, 2022 |
| spfquery · Ubuntu 18.04.6 LTS (bionic) | 1.2.10-7ubuntu0.18.04.1~esm1 | spfquery 1.2.10-7ubuntu0.18.04.1~esm1 | Jan 19, 2022 |
| spfquery · Ubuntu 20.04 LTS (focal) | 1.2.10-7+deb9u2build0.20.04.1 | spfquery 1.2.10-7+deb9u2build0.20.04.1 | Jan 19, 2022 |
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