Hermes

This hub aggregates every CVE we track for Hermes, a product in the communications space. Use it to gauge the current risk picture and drill into individual advisories.

Severity distribution

Monthly trend

The 15 most recently published vulnerabilities affecting Hermes.

• CVE-2026-22798hermes's raw options logging may disclose secrets passed in via subcommand options argument5.9Jan 12, 2026
• CVE-2025-1293HashiCorp Hermes Improperly Validates AWS ALB JWTs, which May Lead to Authentication Bypass8.2Feb 20, 2025
• CVE-2023-30470A use-after-free related to unsound inference in the bytecode generation when optimizations are enabled for Hermes prior to commit da8990f737ebb9d9810633502f65ed462b819c09 could have been used by a...9.8May 18, 2023
• CVE-2023-28081A bytecode optimization bug in Hermes prior to commit e6ed9c1a4b02dc219de1648f44cd808a56171b81 could be used to cause an use-after-free and obtain arbitrary code execution via a carefully crafted p...9.8May 18, 2023
• CVE-2023-25933A type confusion bug in TypedArray prior to commit e6ed9c1a4b02dc219de1648f44cd808a56171b81 could have been used by a malicious attacker to execute arbitrary code via untrusted JavaScript. Note tha...9.8May 18, 2023
• CVE-2023-24833A use-after-free in BigIntPrimitive addition in Hermes prior to commit a6dcafe6ded8e61658b40f5699878cd19a481f80 could have been used by an attacker to leak raw data from Hermes VM’s heap. Note th...7.5May 18, 2023
• CVE-2023-24832A null pointer dereference bug in Hermes prior to commit 5cae9f72975cf0e5a62b27fdd8b01f103e198708 could have been used by an attacker to crash an Hermes runtime where the EnableHermesInternal confi...7.5May 18, 2023
• CVE-2023-23557An error in Hermes' algorithm for copying objects properties prior to commit a00d237346894c6067a594983be6634f4168c9ad could be used by a malicious attacker to execute arbitrary code via type confus...9.8May 18, 2023
• CVE-2023-23556An error in BigInt conversion to Number in Hermes prior to commit a6dcafe6ded8e61658b40f5699878cd19a481f80 could have been used by a malicious attacker to execute arbitrary code due to an out-of-bo...9.8May 18, 2023
• CVE-2022-40138An integer conversion error in Hermes bytecode generation, prior to commit 6aa825e480d48127b480b08d13adf70033237097, could have been used to perform Out-Of-Bounds operations and subsequently execut...9.8Oct 11, 2022
• CVE-2022-32234An out of bounds write in hermes, while handling large arrays, prior to commit 06eaec767e376bfdb883d912cb15e987ddf2bda1 allows attackers to potentially execute arbitrary code via crafted JavaScript...9.8Oct 11, 2022
• CVE-2022-35289A write-what-where condition in hermes caused by an integer overflow, prior to commit 5b6255ae049fa4641791e47fad994e8e8c4da374 allows attackers to potentially execute arbitrary code via crafted Jav...9.8Oct 11, 2022
• CVE-2022-27810It was possible to trigger an infinite recursion condition in the error handler when Hermes executed specific maliciously formed JavaScript. This condition was only possible to trigger in dev-mode ...7.5Oct 6, 2022
• CVE-2021-24044By passing invalid javascript code where await and yield were called upon non-async and non-generator getter/setter functions, Hermes would invoke generator functions and error out on invalid await...9.8Jan 15, 2022
• CVE-2021-24045A type confusion vulnerability could be triggered when resolving the "typeof" unary operator in Facebook Hermes prior to v0.10.0. Note that this is only exploitable if the application using Hermes ...9.8Dec 13, 2021