# CVE-2022-27781: curl: libcurl provides the `CURLOPT_CERTINFO` option to allow applications torequest details to be returned about a server'... CVE-2022-27781 is fixed in 13 products on 1 platform, first by curl 7.58.0-2ubuntu3.18, released May 10, 2022. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2022-27781 - Priority: High - CVSS: 7.5 (Low) - EPSS: 0.0290 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: May 10, 2022 ## Description libcurl provides the `CURLOPT_CERTINFO` option to allow applications torequest details to be returned about a server's certificate chain.Due to an erroneous function, a malicious server could make libcurl built withNSS get stuck in a never-ending busy-loop when trying to retrieve thatinformation. Due to an erroneous function, a malicious server could make libcurl built with NSS get stuck in a never-ending busy-loop when trying to retrieve that information.] ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | curl Debian 12.15 (bookworm) | 7.83.1-1 | [DEBIAN-CVE-2022-27781](https://patchblox.com/security/data/fix/linux/debian-cve-2022-27781.md) | Jun 2, 2022 | | Linux | curl Debian 13.5 (trixie) | 7.83.1-1 | [DEBIAN-CVE-2022-27781](https://patchblox.com/security/data/fix/linux/debian-cve-2022-27781.md) | Jun 2, 2022 | | Linux | curl Debian 14 | 7.83.1-1 | [DEBIAN-CVE-2022-27781](https://patchblox.com/security/data/fix/linux/debian-cve-2022-27781.md) | Jun 2, 2022 | | Linux | curl Ubuntu 18.04.6 LTS (bionic) | 7.58.0-2ubuntu3.18 | [curl 7.58.0-2ubuntu3.18](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-curl-7.58.0-2ubuntu3.18.md) | May 10, 2022 | | Linux | curl Ubuntu 20.04 LTS (focal) | 7.68.0-1ubuntu2.11 | [curl 7.68.0-1ubuntu2.11](https://patchblox.com/security/data/fix/linux/ubuntu-focal-curl-7.68.0-1ubuntu2.11.md) | May 10, 2022 | | Linux | curl Ubuntu 22.04.1 LTS (jammy) | 7.81.0-1ubuntu1.2 | [curl 7.81.0-1ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-curl-7.81.0-1ubuntu1.2.md) | May 10, 2022 | | Linux | curl amzn 2023 | 7.87.0-2.amzn2023.0.2 | [ALAS2023-2023-083](https://patchblox.com/security/data/fix/linux/alas2023-2023-083.md) | Feb 17, 2023 | | Linux | curl-debuginfo amzn 2023 | 7.87.0-2.amzn2023.0.2 | [ALAS2023-2023-083](https://patchblox.com/security/data/fix/linux/alas2023-2023-083.md) | Feb 17, 2023 | | Linux | curl-debugsource amzn 2023 | 7.87.0-2.amzn2023.0.2 | [ALAS2023-2023-083](https://patchblox.com/security/data/fix/linux/alas2023-2023-083.md) | Feb 17, 2023 | | Linux | curl-minimal amzn 2023 | 7.87.0-2.amzn2023.0.2 | [ALAS2023-2023-083](https://patchblox.com/security/data/fix/linux/alas2023-2023-083.md) | Feb 17, 2023 | | Linux | curl-minimal-debuginfo amzn 2023 | 7.87.0-2.amzn2023.0.2 | [ALAS2023-2023-083](https://patchblox.com/security/data/fix/linux/alas2023-2023-083.md) | Feb 17, 2023 | | Linux | libcurl amzn 2023 | 7.87.0-2.amzn2023.0.2 | [ALAS2023-2023-083](https://patchblox.com/security/data/fix/linux/alas2023-2023-083.md) | Feb 17, 2023 | | Linux | libcurl-debuginfo amzn 2023 | 7.87.0-2.amzn2023.0.2 | [ALAS2023-2023-083](https://patchblox.com/security/data/fix/linux/alas2023-2023-083.md) | Feb 17, 2023 | | Linux | libcurl-devel amzn 2023 | 7.87.0-2.amzn2023.0.2 | [ALAS2023-2023-083](https://patchblox.com/security/data/fix/linux/alas2023-2023-083.md) | Feb 17, 2023 | | Linux | libcurl-minimal amzn 2023 | 7.87.0-2.amzn2023.0.2 | [ALAS2023-2023-083](https://patchblox.com/security/data/fix/linux/alas2023-2023-083.md) | Feb 17, 2023 | | Linux | libcurl-minimal-debuginfo amzn 2023 | 7.87.0-2.amzn2023.0.2 | [ALAS2023-2023-083](https://patchblox.com/security/data/fix/linux/alas2023-2023-083.md) | Feb 17, 2023 | | Linux | libcurl3-gnutls Ubuntu 18.04.6 LTS (bionic) | 7.58.0-2ubuntu3.18 | [libcurl3-gnutls 7.58.0-2ubuntu3.18](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libcurl3-gnutls-7.58.0-2ubuntu3.18.md) | May 10, 2022 | | Linux | libcurl3-gnutls Ubuntu 20.04 LTS (focal) | 7.68.0-1ubuntu2.11 | [libcurl3-gnutls 7.68.0-1ubuntu2.11](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libcurl3-gnutls-7.68.0-1ubuntu2.11.md) | May 10, 2022 | | Linux | libcurl3-gnutls Ubuntu 22.04.1 LTS (jammy) | 7.81.0-1ubuntu1.2 | [libcurl3-gnutls 7.81.0-1ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libcurl3-gnutls-7.81.0-1ubuntu1.2.md) | May 10, 2022 | | Linux | libcurl3-nss Ubuntu 18.04.6 LTS (bionic) | 7.58.0-2ubuntu3.18 | [libcurl3-nss 7.58.0-2ubuntu3.18](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libcurl3-nss-7.58.0-2ubuntu3.18.md) | May 10, 2022 | | Linux | libcurl3-nss Ubuntu 20.04 LTS (focal) | 7.68.0-1ubuntu2.11 | [libcurl3-nss 7.68.0-1ubuntu2.11](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libcurl3-nss-7.68.0-1ubuntu2.11.md) | May 10, 2022 | | Linux | libcurl3-nss Ubuntu 22.04.1 LTS (jammy) | 7.81.0-1ubuntu1.2 | [libcurl3-nss 7.81.0-1ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libcurl3-nss-7.81.0-1ubuntu1.2.md) | May 10, 2022 | | Linux | libcurl4 Ubuntu 18.04.6 LTS (bionic) | 7.58.0-2ubuntu3.18 | [libcurl4 7.58.0-2ubuntu3.18](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libcurl4-7.58.0-2ubuntu3.18.md) | May 10, 2022 | | Linux | libcurl4 Ubuntu 20.04 LTS (focal) | 7.68.0-1ubuntu2.11 | [libcurl4 7.68.0-1ubuntu2.11](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libcurl4-7.68.0-1ubuntu2.11.md) | May 10, 2022 | | Linux | libcurl4 Ubuntu 22.04.1 LTS (jammy) | 7.81.0-1ubuntu1.2 | [libcurl4 7.81.0-1ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libcurl4-7.81.0-1ubuntu1.2.md) | May 10, 2022 | --- Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.