CVE-2023-46847
No exploitation reported by the sources we read.
- Published2023-11-03
- WeaknessCWE-120
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
Description
Squid is vulnerable to a Denial of Service, where a remote attacker can perform buffer overflow attack by writing up to 2 MB of arbitrary data to heap memory when Squid is configured to accept HTTP Digest Authentication.
Timeline
dates in UTC- 2023-11-0308:15CVE publishedNVD
- 2026-10-2319:23EPSS crossed 10 %FIRST EPSS
Observed activity
isMalicious corpus · updated 2026-10-23 21:37 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-46847?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-46847?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 8.2 | = 8.2 | no fix published | NVD |
| 8.4 | = 8.4 | no fix published | NVD |
| 8.6 | = 8.6 | no fix published | NVD |
| 8.8 | = 8.8 | no fix published | NVD |
| 9.2 | = 9.2 | no fix published | NVD |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 8.6 | = 8.6 | no fix published | NVD |
| 8.8 | = 8.8 | no fix published | NVD |
| 9.0 | = 9.0 | no fix published | NVD |
| 9.2 | = 9.2 | no fix published | NVD |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 8.2 | = 8.2 | no fix published | NVD |
| 8.4 | = 8.4 | no fix published | NVD |
| 8.6 | = 8.6 | no fix published | NVD |
| 9.2 | = 9.2 | no fix published | NVD |
7 more products in the sources.
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Distribution builds and vendor advisories
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Packages
- libecapAlmaLinux:8all versions · fixed in 1.0.1-2.module_el8.6.0+2741+01592ae8and 1 other package
- libecapAlmaLinux:8all versions · fixed in 1.0.1-2.module_el8.6.0+3048+383bc947and 1 other package
- squidAlmaLinux:9all versions · fixed in 7:5.5-5.el9_2.1
- squidAlmaLinux:9all versions · fixed in 7:5.5-6.el9_3.1
- squidAlmaLinux:8all versions · fixed in 7:4.15-6.module_el8.8.0+3670+56cb3c8e.1.alma.1
- squidAlmaLinux:8all versions · fixed in 7:4.15-7.module_el8.9.0+3680+f9142978.1.alma.1
Fix
Advisories and patches
- github.comVendor Advisory
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
Sources
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Published
- 2023-11-03
- Last Modified
- 2026-08-07
- NVD status
- Modified
Frequently asked questions
What is CVE-2023-46847?
Is CVE-2023-46847 actively exploited?
What is the CVSS score for CVE-2023-46847?
Running libecap? Hear about its next vulnerability
Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».
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Go further
- Following what attackers exploit right now? The CISA KEV additions of the month, with their patch deadlines.
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Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.