CVE-2023-49285
Due to a Buffer Overread bug Squid is vulnerable to a Denial of Service attack against Squid HTTP Message processing.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 88.1%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
Description
Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to a Buffer Overread bug Squid is vulnerable to a Denial of Service attack against Squid HTTP Message processing. This bug is fixed by Squid version 6.5. Users are advised to upgrade. There are no known workarounds for this vulnerability.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 88.14% probability · 100th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-126, CWE-125
- Affected
- squid-cache/squid
- Source
- security-advisories@github.com
EPSS 88.1% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.squid-cache.org/Versions/v5/SQUID-2023_7.patchBroken Link
- http://www.squid-cache.org/Versions/v6/SQUID-2023_7.patchBroken Link
- https://github.com/squid-cache/squid/commit/77b3fb4df0f126784d5fd4967c28ed40eb8d521bPatch
- https://github.com/squid-cache/squid/commit/deee944f9a12c9fd399ce52f3e2526bb573a9470Patch
- https://github.com/squid-cache/squid/security/advisories/GHSA-8w9r-p88v-mmx9Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2024/01/msg00003.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A5QASTMCUSUEW3UOMKHZJB3FTONWSRXS/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MEV66D3PAAY6K7TWDT3WZBLCPLASFJDC/
- https://security.netapp.com/advisory/ntap-20240119-0004/
- http://www.squid-cache.org/Versions/v5/SQUID-2023_7.patchBroken Link
- http://www.squid-cache.org/Versions/v6/SQUID-2023_7.patchBroken Link
- https://github.com/squid-cache/squid/commit/77b3fb4df0f126784d5fd4967c28ed40eb8d521bPatch
- https://github.com/squid-cache/squid/commit/deee944f9a12c9fd399ce52f3e2526bb573a9470Patch
- https://github.com/squid-cache/squid/security/advisories/GHSA-8w9r-p88v-mmx9Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2024/01/msg00003.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A5QASTMCUSUEW3UOMKHZJB3FTONWSRXS/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MEV66D3PAAY6K7TWDT3WZBLCPLASFJDC/
- https://security.netapp.com/advisory/ntap-20240119-0004/
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.