ring: Stack overflow in PJSUA API when calling pjsua_recorder_create
CVE-2021-43300 is fixed in 18 products on 1 platform, first by DEBIAN-CVE-2021-43300, released February 16, 2022. It is not reported as exploited. Patch Radar priority: Urgent.
Stack overflow in PJSUA API when calling pjsua_recorder_create. An attacker-controlled 'filename' argument may cause a buffer overflow since it is copied to a fixed-size stack buffer without any size validation.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| asterisk · Debian 14 | 1:18.11.1~dfsg+~cs6.10.40431413-1 | DEBIAN-CVE-2021-43300 | Feb 16, 2022 |
| jami · Ubuntu 20.04 LTS (focal) | 20190215.1.f152c98~ds1-1+deb10u2build0.20.04.1 | jami 20190215.1.f152c98~ds1-1+deb10u2build0.20.04.1 | Mar 14, 2023 |
| jami-daemon · Ubuntu 20.04 LTS (focal) | 20190215.1.f152c98~ds1-1+deb10u2build0.20.04.1 | jami-daemon 20190215.1.f152c98~ds1-1+deb10u2build0.20.04.1 | Mar 14, 2023 |
| libpj2 · Ubuntu 18.04.6 LTS (bionic) | 2.7.2~dfsg-1ubuntu0.1~esm1 | libpj2 2.7.2~dfsg-1ubuntu0.1~esm1 | Feb 11, 2026 |
| libpjlib-util2 · Ubuntu 18.04.6 LTS (bionic) | 2.7.2~dfsg-1ubuntu0.1~esm1 | libpjlib-util2 2.7.2~dfsg-1ubuntu0.1~esm1 | Feb 11, 2026 |
| libpjmedia-audiodev2 · Ubuntu 18.04.6 LTS (bionic) | 2.7.2~dfsg-1ubuntu0.1~esm1 | libpjmedia-audiodev2 2.7.2~dfsg-1ubuntu0.1~esm1 | Feb 11, 2026 |
| libpjmedia-codec2 · Ubuntu 18.04.6 LTS (bionic) | 2.7.2~dfsg-1ubuntu0.1~esm1 | libpjmedia-codec2 2.7.2~dfsg-1ubuntu0.1~esm1 | Feb 11, 2026 |
| libpjmedia-videodev2 · Ubuntu 18.04.6 LTS (bionic) | 2.7.2~dfsg-1ubuntu0.1~esm1 | libpjmedia-videodev2 2.7.2~dfsg-1ubuntu0.1~esm1 | Feb 11, 2026 |
| libpjmedia2 · Ubuntu 18.04.6 LTS (bionic) | 2.7.2~dfsg-1ubuntu0.1~esm1 | libpjmedia2 2.7.2~dfsg-1ubuntu0.1~esm1 | Feb 11, 2026 |
| libpjnath2 · Ubuntu 18.04.6 LTS (bionic) | 2.7.2~dfsg-1ubuntu0.1~esm1 | libpjnath2 2.7.2~dfsg-1ubuntu0.1~esm1 | Feb 11, 2026 |
| libpjsip-simple2 · Ubuntu 18.04.6 LTS (bionic) | 2.7.2~dfsg-1ubuntu0.1~esm1 | libpjsip-simple2 2.7.2~dfsg-1ubuntu0.1~esm1 | Feb 11, 2026 |
| libpjsip-ua2 · Ubuntu 18.04.6 LTS (bionic) | 2.7.2~dfsg-1ubuntu0.1~esm1 | libpjsip-ua2 2.7.2~dfsg-1ubuntu0.1~esm1 | Feb 11, 2026 |
| libpjsip2 · Ubuntu 18.04.6 LTS (bionic) | 2.7.2~dfsg-1ubuntu0.1~esm1 | libpjsip2 2.7.2~dfsg-1ubuntu0.1~esm1 | Feb 11, 2026 |
| libpjsua2 · Ubuntu 18.04.6 LTS (bionic) | 2.7.2~dfsg-1ubuntu0.1~esm1 | libpjsua2 2.7.2~dfsg-1ubuntu0.1~esm1 | Feb 11, 2026 |
| libpjsua2-2v5 · Ubuntu 18.04.6 LTS (bionic) | 2.7.2~dfsg-1ubuntu0.1~esm1 | libpjsua2-2v5 2.7.2~dfsg-1ubuntu0.1~esm1 | Feb 11, 2026 |
| python-pjproject · Ubuntu 18.04.6 LTS (bionic) | 2.7.2~dfsg-1ubuntu0.1~esm1 | python-pjproject 2.7.2~dfsg-1ubuntu0.1~esm1 | Feb 11, 2026 |
| ring · Debian 12.15 (bookworm) | 20230206.0~ds1-1 | DEBIAN-CVE-2021-43300 | Feb 16, 2022 |
| ring · Ubuntu 18.04.6 LTS (bionic) | 20180228.1.503da2b~ds1-1ubuntu0.1~esm1 | ring 20180228.1.503da2b~ds1-1ubuntu0.1~esm1 | Mar 14, 2023 |
| ring · Ubuntu 20.04 LTS (focal) | 20190215.1.f152c98~ds1-1+deb10u2build0.20.04.1 | ring 20190215.1.f152c98~ds1-1+deb10u2build0.20.04.1 | Mar 14, 2023 |
| ring-daemon · Ubuntu 18.04.6 LTS (bionic) | 20180228.1.503da2b~ds1-1ubuntu0.1~esm1 | ring-daemon 20180228.1.503da2b~ds1-1ubuntu0.1~esm1 | Mar 14, 2023 |
| ring-daemon · Ubuntu 20.04 LTS (focal) | 20190215.1.f152c98~ds1-1+deb10u2build0.20.04.1 | ring-daemon 20190215.1.f152c98~ds1-1+deb10u2build0.20.04.1 | Mar 14, 2023 |
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