CVE-2023-49606

criticalpriority · track · 32EPSS 0.631 · 99 %ileexploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

63.1% (99th) EPSS

CVSS 9.8 · critical

Is it mine?

14 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-28

A use-after-free vulnerability exists in the HTTP Connection Headers parsing in Tinyproxy 1.11.1 and Tinyproxy 1.10.0. A specially crafted HTTP header can trigger reuse of previously freed memory, which leads to memory corruption and could lead to remote code execution. An attacker needs to make an unauthenticated HTTP request to trigger this vulnerability.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · talos-cna@cisco.com USexploitability 3.9 · impact 5.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-416USCWE-416US

exploits (1)

Public proof-of-concept and weaponised exploit code.

d0rb/CVE-2023-49606Critical use-after-free vulnerability discovered in TinyproxyPoC · poc_in_github

affected products (14)

Products and version ranges known to be affected.

Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Fedora Linuxall versionscert_bundDEcpe:/o:fedoraproject:fedora:-
Open Source Tinyproxy <=1.10.0.all versionscert_bundDE
Open Source Tinyproxy <=1.11.1all versionscert_bundDE
SUSE openSUSEall versionscert_bundDEcpe:/o:suse:opensuse:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Open Source Tinyproxy≤ 1.11.1cert_bundDE
Open Source Tinyproxy≤ 1.10.0.cert_bundDE
Tinyproxy Tinyproxy≤ Tinyproxy 1.10.0enisa_euvdEU
Tinyproxy Tinyproxy≤ 1.11.1enisa_euvdEU
Сообщество свободного программного обеспечения Tinyproxy≤ 1.10.0fstec_bduRU
Сообщество свободного программного обеспечения Tinyproxy≤ 1.11.1fstec_bduRU
tinyproxy project tinyproxy= 1.10.0nvdUScpe:2.3:a:tinyproxy_project:tinyproxy:*:*:*:*:*:*:*:*
tinyproxy project tinyproxy= 1.11.1nvdUScpe:2.3:a:tinyproxy_project:tinyproxy:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-0997Tinyproxy: Mehrere SchwachstellenDeutsch2024-05-01csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Tinyproxy ausnutzen, um beliebigen Programmcode auszuführen und um vertrauliche Informationen offenzulegen.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd NVD CVE.org MITRE

published 2024-05-01modified 2026-06-17

references (10)

External citations — patches, advisories, analysis.

scry

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